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-rw-r--r--drivers/clk/sunxi-ng/Kconfig65
-rw-r--r--drivers/clk/sunxi-ng/Makefile20
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-h3.c826
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-h3.h62
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.c90
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.h85
-rw-r--r--drivers/clk/sunxi-ng/ccu_div.c136
-rw-r--r--drivers/clk/sunxi-ng/ccu_div.h133
-rw-r--r--drivers/clk/sunxi-ng/ccu_frac.c110
-rw-r--r--drivers/clk/sunxi-ng/ccu_frac.h53
-rw-r--r--drivers/clk/sunxi-ng/ccu_gate.c82
-rw-r--r--drivers/clk/sunxi-ng/ccu_gate.h52
-rw-r--r--drivers/clk/sunxi-ng/ccu_mp.c158
-rw-r--r--drivers/clk/sunxi-ng/ccu_mp.h77
-rw-r--r--drivers/clk/sunxi-ng/ccu_mult.h15
-rw-r--r--drivers/clk/sunxi-ng/ccu_mux.c187
-rw-r--r--drivers/clk/sunxi-ng/ccu_mux.h91
-rw-r--r--drivers/clk/sunxi-ng/ccu_nk.c147
-rw-r--r--drivers/clk/sunxi-ng/ccu_nk.h71
-rw-r--r--drivers/clk/sunxi-ng/ccu_nkm.c153
-rw-r--r--drivers/clk/sunxi-ng/ccu_nkm.h68
-rw-r--r--drivers/clk/sunxi-ng/ccu_nkmp.c167
-rw-r--r--drivers/clk/sunxi-ng/ccu_nkmp.h71
-rw-r--r--drivers/clk/sunxi-ng/ccu_nm.c114
-rw-r--r--drivers/clk/sunxi-ng/ccu_nm.h91
-rw-r--r--drivers/clk/sunxi-ng/ccu_phase.c126
-rw-r--r--drivers/clk/sunxi-ng/ccu_phase.h50
-rw-r--r--drivers/clk/sunxi-ng/ccu_reset.c55
-rw-r--r--drivers/clk/sunxi-ng/ccu_reset.h40
29 files changed, 3395 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig
new file mode 100644
index 000000000..2afcbd39e
--- /dev/null
+++ b/drivers/clk/sunxi-ng/Kconfig
@@ -0,0 +1,65 @@
+config SUNXI_CCU
+ bool "Clock support for Allwinner SoCs"
+ default ARCH_SUNXI
+
+if SUNXI_CCU
+
+# Base clock types
+
+config SUNXI_CCU_DIV
+ bool
+ select SUNXI_CCU_MUX
+
+config SUNXI_CCU_FRAC
+ bool
+
+config SUNXI_CCU_GATE
+ bool
+
+config SUNXI_CCU_MUX
+ bool
+
+config SUNXI_CCU_PHASE
+ bool
+
+# Multi-factor clocks
+
+config SUNXI_CCU_NK
+ bool
+ select SUNXI_CCU_GATE
+
+config SUNXI_CCU_NKM
+ bool
+ select RATIONAL
+ select SUNXI_CCU_GATE
+
+config SUNXI_CCU_NKMP
+ bool
+ select RATIONAL
+ select SUNXI_CCU_GATE
+
+config SUNXI_CCU_NM
+ bool
+ select RATIONAL
+ select SUNXI_CCU_FRAC
+ select SUNXI_CCU_GATE
+
+config SUNXI_CCU_MP
+ bool
+ select SUNXI_CCU_GATE
+ select SUNXI_CCU_MUX
+
+# SoC Drivers
+
+config SUN8I_H3_CCU
+ bool "Support for the Allwinner H3 CCU"
+ select SUNXI_CCU_DIV
+ select SUNXI_CCU_NK
+ select SUNXI_CCU_NKM
+ select SUNXI_CCU_NKMP
+ select SUNXI_CCU_NM
+ select SUNXI_CCU_MP
+ select SUNXI_CCU_PHASE
+ default MACH_SUN8I
+
+endif
diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile
new file mode 100644
index 000000000..633ce642f
--- /dev/null
+++ b/drivers/clk/sunxi-ng/Makefile
@@ -0,0 +1,20 @@
+# Common objects
+obj-$(CONFIG_SUNXI_CCU) += ccu_common.o
+obj-$(CONFIG_SUNXI_CCU) += ccu_reset.o
+
+# Base clock types
+obj-$(CONFIG_SUNXI_CCU_DIV) += ccu_div.o
+obj-$(CONFIG_SUNXI_CCU_FRAC) += ccu_frac.o
+obj-$(CONFIG_SUNXI_CCU_GATE) += ccu_gate.o
+obj-$(CONFIG_SUNXI_CCU_MUX) += ccu_mux.o
+obj-$(CONFIG_SUNXI_CCU_PHASE) += ccu_phase.o
+
+# Multi-factor clocks
+obj-$(CONFIG_SUNXI_CCU_NK) += ccu_nk.o
+obj-$(CONFIG_SUNXI_CCU_NKM) += ccu_nkm.o
+obj-$(CONFIG_SUNXI_CCU_NKMP) += ccu_nkmp.o
+obj-$(CONFIG_SUNXI_CCU_NM) += ccu_nm.o
+obj-$(CONFIG_SUNXI_CCU_MP) += ccu_mp.o
+
+# SoC support
+obj-$(CONFIG_SUN8I_H3_CCU) += ccu-sun8i-h3.o
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
new file mode 100644
index 000000000..267f99523
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -0,0 +1,826 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+
+#include "ccu_common.h"
+#include "ccu_reset.h"
+
+#include "ccu_div.h"
+#include "ccu_gate.h"
+#include "ccu_mp.h"
+#include "ccu_mult.h"
+#include "ccu_nk.h"
+#include "ccu_nkm.h"
+#include "ccu_nkmp.h"
+#include "ccu_nm.h"
+#include "ccu_phase.h"
+
+#include "ccu-sun8i-h3.h"
+
+static SUNXI_CCU_NKMP_WITH_GATE_LOCK(pll_cpux_clk, "pll-cpux",
+ "osc24M", 0x000,
+ 8, 5, /* N */
+ 4, 2, /* K */
+ 0, 2, /* M */
+ 16, 2, /* P */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+/*
+ * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
+ * the base (2x, 4x and 8x), and one variable divider (the one true
+ * pll audio).
+ *
+ * We don't have any need for the variable divider for now, so we just
+ * hardcode it to match with the clock names
+ */
+#define SUN8I_H3_PLL_AUDIO_REG 0x008
+
+static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
+ "osc24M", 0x008,
+ 8, 7, /* N */
+ 0, 5, /* M */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
+ "osc24M", 0x0010,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
+ "osc24M", 0x0018,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr_clk, "pll-ddr",
+ "osc24M", 0x020,
+ 8, 5, /* N */
+ 4, 2, /* K */
+ 0, 2, /* M */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph0_clk, "pll-periph0",
+ "osc24M", 0x028,
+ 8, 5, /* N */
+ 4, 2, /* K */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 2, /* post-div */
+ 0);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
+ "osc24M", 0x0038,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph1_clk, "pll-periph1",
+ "osc24M", 0x044,
+ 8, 5, /* N */
+ 4, 2, /* K */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 2, /* post-div */
+ 0);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
+ "osc24M", 0x0048,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static const char * const cpux_parents[] = { "osc32k", "osc24M",
+ "pll-cpux" , "pll-cpux" };
+static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
+ 0x050, 16, 2, CLK_IS_CRITICAL);
+
+static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
+
+static const char * const ahb1_parents[] = { "osc32k", "osc24M",
+ "axi" , "pll-periph0" };
+static struct ccu_div ahb1_clk = {
+ .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
+
+ .mux = {
+ .shift = 12,
+ .width = 2,
+
+ .variable_prediv = {
+ .index = 3,
+ .shift = 6,
+ .width = 2,
+ },
+ },
+
+ .common = {
+ .reg = 0x054,
+ .features = CCU_FEATURE_VARIABLE_PREDIV,
+ .hw.init = CLK_HW_INIT_PARENTS("ahb1",
+ ahb1_parents,
+ &ccu_div_ops,
+ 0),
+ },
+};
+
+static struct clk_div_table apb1_div_table[] = {
+ { .val = 0, .div = 2 },
+ { .val = 1, .div = 2 },
+ { .val = 2, .div = 4 },
+ { .val = 3, .div = 8 },
+ { /* Sentinel */ },
+};
+static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
+ 0x054, 8, 2, apb1_div_table, 0);
+
+static const char * const apb2_parents[] = { "osc32k", "osc24M",
+ "pll-periph0" , "pll-periph0" };
+static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
+ 0, 5, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ 0);
+
+static const char * const ahb2_parents[] = { "ahb1" , "pll-periph0" };
+static struct ccu_mux ahb2_clk = {
+ .mux = {
+ .shift = 0,
+ .width = 1,
+
+ .fixed_prediv = {
+ .index = 1,
+ .div = 2,
+ },
+ },
+
+ .common = {
+ .reg = 0x05c,
+ .features = CCU_FEATURE_FIXED_PREDIV,
+ .hw.init = CLK_HW_INIT_PARENTS("ahb2",
+ ahb2_parents,
+ &ccu_mux_ops,
+ 0),
+ },
+};
+
+static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "ahb1",
+ 0x060, BIT(5), 0);
+static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
+ 0x060, BIT(6), 0);
+static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1",
+ 0x060, BIT(8), 0);
+static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1",
+ 0x060, BIT(9), 0);
+static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1",
+ 0x060, BIT(10), 0);
+static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1",
+ 0x060, BIT(13), 0);
+static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1",
+ 0x060, BIT(14), 0);
+static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb2",
+ 0x060, BIT(17), 0);
+static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb1",
+ 0x060, BIT(18), 0);
+static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
+ 0x060, BIT(19), 0);
+static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1",
+ 0x060, BIT(20), 0);
+static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1",
+ 0x060, BIT(21), 0);
+static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
+ 0x060, BIT(23), 0);
+static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb1",
+ 0x060, BIT(24), 0);
+static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb2",
+ 0x060, BIT(25), 0);
+static SUNXI_CCU_GATE(bus_ehci2_clk, "bus-ehci2", "ahb2",
+ 0x060, BIT(26), 0);
+static SUNXI_CCU_GATE(bus_ehci3_clk, "bus-ehci3", "ahb2",
+ 0x060, BIT(27), 0);
+static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb1",
+ 0x060, BIT(28), 0);
+static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb2",
+ 0x060, BIT(29), 0);
+static SUNXI_CCU_GATE(bus_ohci2_clk, "bus-ohci2", "ahb2",
+ 0x060, BIT(30), 0);
+static SUNXI_CCU_GATE(bus_ohci3_clk, "bus-ohci3", "ahb2",
+ 0x060, BIT(31), 0);
+
+static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
+ 0x064, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_tcon0_clk, "bus-tcon0", "ahb1",
+ 0x064, BIT(3), 0);
+static SUNXI_CCU_GATE(bus_tcon1_clk, "bus-tcon1", "ahb1",
+ 0x064, BIT(4), 0);
+static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "ahb1",
+ 0x064, BIT(5), 0);
+static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
+ 0x064, BIT(8), 0);
+static SUNXI_CCU_GATE(bus_tve_clk, "bus-tve", "ahb1",
+ 0x064, BIT(9), 0);
+static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb1",
+ 0x064, BIT(11), 0);
+static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb1",
+ 0x064, BIT(12), 0);
+static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
+ 0x064, BIT(20), 0);
+static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
+ 0x064, BIT(21), 0);
+static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
+ 0x064, BIT(22), 0);
+
+static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1",
+ 0x068, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1",
+ 0x068, BIT(1), 0);
+static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
+ 0x068, BIT(5), 0);
+static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1",
+ 0x068, BIT(8), 0);
+static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1",
+ 0x068, BIT(12), 0);
+static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1",
+ 0x068, BIT(13), 0);
+static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1",
+ 0x068, BIT(14), 0);
+
+static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2",
+ 0x06c, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2",
+ 0x06c, BIT(1), 0);
+static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
+ 0x06c, BIT(2), 0);
+static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2",
+ 0x06c, BIT(16), 0);
+static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2",
+ 0x06c, BIT(17), 0);
+static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
+ 0x06c, BIT(18), 0);
+static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2",
+ 0x06c, BIT(19), 0);
+static SUNXI_CCU_GATE(bus_scr_clk, "bus-scr", "apb2",
+ 0x06c, BIT(20), 0);
+
+static SUNXI_CCU_GATE(bus_ephy_clk, "bus-ephy", "ahb1",
+ 0x070, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "ahb1",
+ 0x070, BIT(7), 0);
+
+static struct clk_div_table ths_div_table[] = {
+ { .val = 0, .div = 1 },
+ { .val = 1, .div = 2 },
+ { .val = 2, .div = 4 },
+ { .val = 3, .div = 6 },
+};
+static SUNXI_CCU_DIV_TABLE_WITH_GATE(ths_clk, "ths", "osc24M",
+ 0x074, 0, 2, ths_div_table, BIT(31), 0);
+
+static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
+ "pll-periph1" };
+static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
+ 0x088, 20, 3, 0);
+static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
+ 0x088, 8, 3, 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
+ 0x08c, 20, 3, 0);
+static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
+ 0x08c, 8, 3, 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
+ 0x090, 20, 3, 0);
+static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
+ 0x090, 8, 3, 0);
+
+static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
+static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", mod0_default_parents, 0x09c,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
+ "pll-audio-2x", "pll-audio" };
+static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
+ 0x0b0, 16, 2, BIT(31), 0);
+
+static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
+ 0x0b4, 16, 2, BIT(31), 0);
+
+static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
+ 0x0b8, 16, 2, BIT(31), 0);
+
+static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
+ 0x0c0, 0, 4, BIT(31), 0);
+
+static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
+ 0x0cc, BIT(8), 0);
+static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
+ 0x0cc, BIT(9), 0);
+static SUNXI_CCU_GATE(usb_phy2_clk, "usb-phy2", "osc24M",
+ 0x0cc, BIT(10), 0);
+static SUNXI_CCU_GATE(usb_phy3_clk, "usb-phy3", "osc24M",
+ 0x0cc, BIT(11), 0);
+static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc24M",
+ 0x0cc, BIT(16), 0);
+static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc24M",
+ 0x0cc, BIT(17), 0);
+static SUNXI_CCU_GATE(usb_ohci2_clk, "usb-ohci2", "osc24M",
+ 0x0cc, BIT(18), 0);
+static SUNXI_CCU_GATE(usb_ohci3_clk, "usb-ohci3", "osc24M",
+ 0x0cc, BIT(19), 0);
+
+static const char * const dram_parents[] = { "pll-ddr", "pll-periph0-2x" };
+static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
+ 0x0f4, 0, 4, 20, 2, CLK_IS_CRITICAL);
+
+static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram",
+ 0x100, BIT(0), 0);
+static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram",
+ 0x100, BIT(1), 0);
+static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", "dram",
+ 0x100, BIT(2), 0);
+static SUNXI_CCU_GATE(dram_ts_clk, "dram-ts", "dram",
+ 0x100, BIT(3), 0);
+
+static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
+static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
+ 0x104, 0, 4, 24, 3, BIT(31), 0);
+
+static const char * const tcon_parents[] = { "pll-video" };
+static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents,
+ 0x118, 0, 4, 24, 3, BIT(31), 0);
+
+static const char * const tve_parents[] = { "pll-de", "pll-periph1" };
+static SUNXI_CCU_M_WITH_MUX_GATE(tve_clk, "tve", tve_parents,
+ 0x120, 0, 4, 24, 3, BIT(31), 0);
+
+static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" };
+static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents,
+ 0x124, 0, 4, 24, 3, BIT(31), 0);
+
+static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M",
+ 0x130, BIT(31), 0);
+
+static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
+static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
+ 0x134, 16, 4, 24, 3, BIT(31), 0);
+
+static const char * const csi_mclk_parents[] = { "osc24M", "pll-video", "pll-periph0" };
+static SUNXI_CCU_M_WITH_MUX_GATE(csi_mclk_clk, "csi-mclk", csi_mclk_parents,
+ 0x134, 0, 5, 8, 3, BIT(15), 0);
+
+static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
+ 0x13c, 16, 3, BIT(31), 0);
+
+static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
+ 0x140, BIT(31), 0);
+static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
+ 0x144, BIT(31), 0);
+
+static const char * const hdmi_parents[] = { "pll-video" };
+static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
+ 0x150, 0, 4, 24, 2, BIT(31), 0);
+
+static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M",
+ 0x154, BIT(31), 0);
+
+static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x", "pll-ddr" };
+static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
+ 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
+
+static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
+ 0x1a0, 0, 3, BIT(31), 0);
+
+static struct ccu_common *sun8i_h3_ccu_clks[] = {
+ &pll_cpux_clk.common,
+ &pll_audio_base_clk.common,
+ &pll_video_clk.common,
+ &pll_ve_clk.common,
+ &pll_ddr_clk.common,
+ &pll_periph0_clk.common,
+ &pll_gpu_clk.common,
+ &pll_periph1_clk.common,
+ &pll_de_clk.common,
+ &cpux_clk.common,
+ &axi_clk.common,
+ &ahb1_clk.common,
+ &apb1_clk.common,
+ &apb2_clk.common,
+ &ahb2_clk.common,
+ &bus_ce_clk.common,
+ &bus_dma_clk.common,
+ &bus_mmc0_clk.common,
+ &bus_mmc1_clk.common,
+ &bus_mmc2_clk.common,
+ &bus_nand_clk.common,
+ &bus_dram_clk.common,
+ &bus_emac_clk.common,
+ &bus_ts_clk.common,
+ &bus_hstimer_clk.common,
+ &bus_spi0_clk.common,
+ &bus_spi1_clk.common,
+ &bus_otg_clk.common,
+ &bus_ehci0_clk.common,
+ &bus_ehci1_clk.common,
+ &bus_ehci2_clk.common,
+ &bus_ehci3_clk.common,
+ &bus_ohci0_clk.common,
+ &bus_ohci1_clk.common,
+ &bus_ohci2_clk.common,
+ &bus_ohci3_clk.common,
+ &bus_ve_clk.common,
+ &bus_tcon0_clk.common,
+ &bus_tcon1_clk.common,
+ &bus_deinterlace_clk.common,
+ &bus_csi_clk.common,
+ &bus_tve_clk.common,
+ &bus_hdmi_clk.common,
+ &bus_de_clk.common,
+ &bus_gpu_clk.common,
+ &bus_msgbox_clk.common,
+ &bus_spinlock_clk.common,
+ &bus_codec_clk.common,
+ &bus_spdif_clk.common,
+ &bus_pio_clk.common,
+ &bus_ths_clk.common,
+ &bus_i2s0_clk.common,
+ &bus_i2s1_clk.common,
+ &bus_i2s2_clk.common,
+ &bus_i2c0_clk.common,
+ &bus_i2c1_clk.common,
+ &bus_i2c2_clk.common,
+ &bus_uart0_clk.common,
+ &bus_uart1_clk.common,
+ &bus_uart2_clk.common,
+ &bus_uart3_clk.common,
+ &bus_scr_clk.common,
+ &bus_ephy_clk.common,
+ &bus_dbg_clk.common,
+ &ths_clk.common,
+ &nand_clk.common,
+ &mmc0_clk.common,
+ &mmc0_sample_clk.common,
+ &mmc0_output_clk.common,
+ &mmc1_clk.common,
+ &mmc1_sample_clk.common,
+ &mmc1_output_clk.common,
+ &mmc2_clk.common,
+ &mmc2_sample_clk.common,
+ &mmc2_output_clk.common,
+ &ts_clk.common,
+ &ce_clk.common,
+ &spi0_clk.common,
+ &spi1_clk.common,
+ &i2s0_clk.common,
+ &i2s1_clk.common,
+ &i2s2_clk.common,
+ &spdif_clk.common,
+ &usb_phy0_clk.common,
+ &usb_phy1_clk.common,
+ &usb_phy2_clk.common,
+ &usb_phy3_clk.common,
+ &usb_ohci0_clk.common,
+ &usb_ohci1_clk.common,
+ &usb_ohci2_clk.common,
+ &usb_ohci3_clk.common,
+ &dram_clk.common,
+ &dram_ve_clk.common,
+ &dram_csi_clk.common,
+ &dram_deinterlace_clk.common,
+ &dram_ts_clk.common,
+ &de_clk.common,
+ &tcon_clk.common,
+ &tve_clk.common,
+ &deinterlace_clk.common,
+ &csi_misc_clk.common,
+ &csi_sclk_clk.common,
+ &csi_mclk_clk.common,
+ &ve_clk.common,
+ &ac_dig_clk.common,
+ &avs_clk.common,
+ &hdmi_clk.common,
+ &hdmi_ddc_clk.common,
+ &mbus_clk.common,
+ &gpu_clk.common,
+};
+
+/* We hardcode the divider to 4 for now */
+static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio",
+ "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x",
+ "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x",
+ "pll-audio-base", 1, 1, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x",
+ "pll-audio-base", 1, 2, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_periph0_2x_clk, "pll-periph0-2x",
+ "pll-periph0", 1, 2, 0);
+
+static struct clk_hw_onecell_data sun8i_h3_hw_clks = {
+ .hws = {
+ [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw,
+ [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw,
+ [CLK_PLL_AUDIO] = &pll_audio_clk.hw,
+ [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw,
+ [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw,
+ [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw,
+ [CLK_PLL_VIDEO] = &pll_video_clk.common.hw,
+ [CLK_PLL_VE] = &pll_ve_clk.common.hw,
+ [CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
+ [CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw,
+ [CLK_PLL_PERIPH0_2X] = &pll_periph0_2x_clk.hw,
+ [CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
+ [CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw,
+ [CLK_PLL_DE] = &pll_de_clk.common.hw,
+ [CLK_CPUX] = &cpux_clk.common.hw,
+ [CLK_AXI] = &axi_clk.common.hw,
+ [CLK_AHB1] = &ahb1_clk.common.hw,
+ [CLK_APB1] = &apb1_clk.common.hw,
+ [CLK_APB2] = &apb2_clk.common.hw,
+ [CLK_AHB2] = &ahb2_clk.common.hw,
+ [CLK_BUS_CE] = &bus_ce_clk.common.hw,
+ [CLK_BUS_DMA] = &bus_dma_clk.common.hw,
+ [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
+ [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
+ [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
+ [CLK_BUS_NAND] = &bus_nand_clk.common.hw,
+ [CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
+ [CLK_BUS_EMAC] = &bus_emac_clk.common.hw,
+ [CLK_BUS_TS] = &bus_ts_clk.common.hw,
+ [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
+ [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
+ [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
+ [CLK_BUS_OTG] = &bus_otg_clk.common.hw,
+ [CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw,
+ [CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw,
+ [CLK_BUS_EHCI2] = &bus_ehci2_clk.common.hw,
+ [CLK_BUS_EHCI3] = &bus_ehci3_clk.common.hw,
+ [CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw,
+ [CLK_BUS_OHCI1] = &bus_ohci1_clk.common.hw,
+ [CLK_BUS_OHCI2] = &bus_ohci2_clk.common.hw,
+ [CLK_BUS_OHCI3] = &bus_ohci3_clk.common.hw,
+ [CLK_BUS_VE] = &bus_ve_clk.common.hw,
+ [CLK_BUS_TCON0] = &bus_tcon0_clk.common.hw,
+ [CLK_BUS_TCON1] = &bus_tcon1_clk.common.hw,
+ [CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw,
+ [CLK_BUS_CSI] = &bus_csi_clk.common.hw,
+ [CLK_BUS_TVE] = &bus_tve_clk.common.hw,
+ [CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw,
+ [CLK_BUS_DE] = &bus_de_clk.common.hw,
+ [CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
+ [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
+ [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
+ [CLK_BUS_CODEC] = &bus_codec_clk.common.hw,
+ [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
+ [CLK_BUS_PIO] = &bus_pio_clk.common.hw,
+ [CLK_BUS_THS] = &bus_ths_clk.common.hw,
+ [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
+ [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
+ [CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw,
+ [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
+ [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
+ [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
+ [CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
+ [CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
+ [CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
+ [CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
+ [CLK_BUS_SCR] = &bus_scr_clk.common.hw,
+ [CLK_BUS_EPHY] = &bus_ephy_clk.common.hw,
+ [CLK_BUS_DBG] = &bus_dbg_clk.common.hw,
+ [CLK_THS] = &ths_clk.common.hw,
+ [CLK_NAND] = &nand_clk.common.hw,
+ [CLK_MMC0] = &mmc0_clk.common.hw,
+ [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
+ [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
+ [CLK_MMC1] = &mmc1_clk.common.hw,
+ [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
+ [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
+ [CLK_MMC2] = &mmc2_clk.common.hw,
+ [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
+ [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
+ [CLK_TS] = &ts_clk.common.hw,
+ [CLK_CE] = &ce_clk.common.hw,
+ [CLK_SPI0] = &spi0_clk.common.hw,
+ [CLK_SPI1] = &spi1_clk.common.hw,
+ [CLK_I2S0] = &i2s0_clk.common.hw,
+ [CLK_I2S1] = &i2s1_clk.common.hw,
+ [CLK_I2S2] = &i2s2_clk.common.hw,
+ [CLK_SPDIF] = &spdif_clk.common.hw,
+ [CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
+ [CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
+ [CLK_USB_PHY2] = &usb_phy2_clk.common.hw,
+ [CLK_USB_PHY3] = &usb_phy3_clk.common.hw,
+ [CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw,
+ [CLK_USB_OHCI1] = &usb_ohci1_clk.common.hw,
+ [CLK_USB_OHCI2] = &usb_ohci2_clk.common.hw,
+ [CLK_USB_OHCI3] = &usb_ohci3_clk.common.hw,
+ [CLK_DRAM] = &dram_clk.common.hw,
+ [CLK_DRAM_VE] = &dram_ve_clk.common.hw,
+ [CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
+ [CLK_DRAM_DEINTERLACE] = &dram_deinterlace_clk.common.hw,
+ [CLK_DRAM_TS] = &dram_ts_clk.common.hw,
+ [CLK_DE] = &de_clk.common.hw,
+ [CLK_TCON0] = &tcon_clk.common.hw,
+ [CLK_TVE] = &tve_clk.common.hw,
+ [CLK_DEINTERLACE] = &deinterlace_clk.common.hw,
+ [CLK_CSI_MISC] = &csi_misc_clk.common.hw,
+ [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
+ [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
+ [CLK_VE] = &ve_clk.common.hw,
+ [CLK_AC_DIG] = &ac_dig_clk.common.hw,
+ [CLK_AVS] = &avs_clk.common.hw,
+ [CLK_HDMI] = &hdmi_clk.common.hw,
+ [CLK_HDMI_DDC] = &hdmi_ddc_clk.common.hw,
+ [CLK_MBUS] = &mbus_clk.common.hw,
+ [CLK_GPU] = &gpu_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct ccu_reset_map sun8i_h3_ccu_resets[] = {
+ [RST_USB_PHY0] = { 0x0cc, BIT(0) },
+ [RST_USB_PHY1] = { 0x0cc, BIT(1) },
+ [RST_USB_PHY2] = { 0x0cc, BIT(2) },
+ [RST_USB_PHY3] = { 0x0cc, BIT(3) },
+
+ [RST_MBUS] = { 0x0fc, BIT(31) },
+
+ [RST_BUS_CE] = { 0x2c0, BIT(5) },
+ [RST_BUS_DMA] = { 0x2c0, BIT(6) },
+ [RST_BUS_MMC0] = { 0x2c0, BIT(8) },
+ [RST_BUS_MMC1] = { 0x2c0, BIT(9) },
+ [RST_BUS_MMC2] = { 0x2c0, BIT(10) },
+ [RST_BUS_NAND] = { 0x2c0, BIT(13) },
+ [RST_BUS_DRAM] = { 0x2c0, BIT(14) },
+ [RST_BUS_EMAC] = { 0x2c0, BIT(17) },
+ [RST_BUS_TS] = { 0x2c0, BIT(18) },
+ [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
+ [RST_BUS_SPI0] = { 0x2c0, BIT(20) },
+ [RST_BUS_SPI1] = { 0x2c0, BIT(21) },
+ [RST_BUS_OTG] = { 0x2c0, BIT(23) },
+ [RST_BUS_EHCI0] = { 0x2c0, BIT(24) },
+ [RST_BUS_EHCI1] = { 0x2c0, BIT(25) },
+ [RST_BUS_EHCI2] = { 0x2c0, BIT(26) },
+ [RST_BUS_EHCI3] = { 0x2c0, BIT(27) },
+ [RST_BUS_OHCI0] = { 0x2c0, BIT(28) },
+ [RST_BUS_OHCI1] = { 0x2c0, BIT(29) },
+ [RST_BUS_OHCI2] = { 0x2c0, BIT(30) },
+ [RST_BUS_OHCI3] = { 0x2c0, BIT(31) },
+
+ [RST_BUS_VE] = { 0x2c4, BIT(0) },
+ [RST_BUS_TCON0] = { 0x2c4, BIT(3) },
+ [RST_BUS_TCON1] = { 0x2c4, BIT(4) },
+ [RST_BUS_DEINTERLACE] = { 0x2c4, BIT(5) },
+ [RST_BUS_CSI] = { 0x2c4, BIT(8) },
+ [RST_BUS_TVE] = { 0x2c4, BIT(9) },
+ [RST_BUS_HDMI0] = { 0x2c4, BIT(10) },
+ [RST_BUS_HDMI1] = { 0x2c4, BIT(11) },
+ [RST_BUS_DE] = { 0x2c4, BIT(12) },
+ [RST_BUS_GPU] = { 0x2c4, BIT(20) },
+ [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
+ [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
+ [RST_BUS_DBG] = { 0x2c4, BIT(31) },
+
+ [RST_BUS_EPHY] = { 0x2c8, BIT(2) },
+
+ [RST_BUS_CODEC] = { 0x2d0, BIT(0) },
+ [RST_BUS_SPDIF] = { 0x2d0, BIT(1) },
+ [RST_BUS_THS] = { 0x2d0, BIT(8) },
+ [RST_BUS_I2S0] = { 0x2d0, BIT(12) },
+ [RST_BUS_I2S1] = { 0x2d0, BIT(13) },
+ [RST_BUS_I2S2] = { 0x2d0, BIT(14) },
+
+ [RST_BUS_I2C0] = { 0x2d8, BIT(0) },
+ [RST_BUS_I2C1] = { 0x2d8, BIT(1) },
+ [RST_BUS_I2C2] = { 0x2d8, BIT(2) },
+ [RST_BUS_UART0] = { 0x2d8, BIT(16) },
+ [RST_BUS_UART1] = { 0x2d8, BIT(17) },
+ [RST_BUS_UART2] = { 0x2d8, BIT(18) },
+ [RST_BUS_UART3] = { 0x2d8, BIT(19) },
+ [RST_BUS_SCR] = { 0x2d8, BIT(20) },
+};
+
+static const struct sunxi_ccu_desc sun8i_h3_ccu_desc = {
+ .ccu_clks = sun8i_h3_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun8i_h3_ccu_clks),
+
+ .hw_clks = &sun8i_h3_hw_clks,
+
+ .resets = sun8i_h3_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun8i_h3_ccu_resets),
+};
+
+static void __init sun8i_h3_ccu_setup(struct device_node *node)
+{
+ void __iomem *reg;
+ u32 val;
+
+ reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+ if (IS_ERR(reg)) {
+ pr_err("%s: Could not map the clock registers\n",
+ of_node_full_name(node));
+ return;
+ }
+
+ /* Force the PLL-Audio-1x divider to 4 */
+ val = readl(reg + SUN8I_H3_PLL_AUDIO_REG);
+ val &= ~GENMASK(19, 16);
+ writel(val | (3 << 16), reg + SUN8I_H3_PLL_AUDIO_REG);
+
+ sunxi_ccu_probe(node, reg, &sun8i_h3_ccu_desc);
+}
+CLK_OF_DECLARE(sun8i_h3_ccu, "allwinner,sun8i-h3-ccu",
+ sun8i_h3_ccu_setup);
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h
new file mode 100644
index 000000000..78be712c7
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2016 Maxime Ripard
+ *
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_SUN8I_H3_H_
+#define _CCU_SUN8I_H3_H_
+
+#include <dt-bindings/clock/sun8i-h3-ccu.h>
+#include <dt-bindings/reset/sun8i-h3-ccu.h>
+
+#define CLK_PLL_CPUX 0
+#define CLK_PLL_AUDIO_BASE 1
+#define CLK_PLL_AUDIO 2
+#define CLK_PLL_AUDIO_2X 3
+#define CLK_PLL_AUDIO_4X 4
+#define CLK_PLL_AUDIO_8X 5
+#define CLK_PLL_VIDEO 6
+#define CLK_PLL_VE 7
+#define CLK_PLL_DDR 8
+#define CLK_PLL_PERIPH0 9
+#define CLK_PLL_PERIPH0_2X 10
+#define CLK_PLL_GPU 11
+#define CLK_PLL_PERIPH1 12
+#define CLK_PLL_DE 13
+
+/* The CPUX clock is exported */
+
+#define CLK_AXI 15
+#define CLK_AHB1 16
+#define CLK_APB1 17
+#define CLK_APB2 18
+#define CLK_AHB2 19
+
+/* All the bus gates are exported */
+
+/* The first bunch of module clocks are exported */
+
+#define CLK_DRAM 96
+
+/* All the DRAM gates are exported */
+
+/* Some more module clocks are exported */
+
+#define CLK_MBUS 113
+
+/* And the GPU module clock is exported */
+
+#define CLK_NUMBER (CLK_GPU + 1)
+
+#endif /* _CCU_SUN8I_H3_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c
new file mode 100644
index 000000000..51d4bac97
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_common.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2016 Maxime Ripard
+ *
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/iopoll.h>
+#include <linux/slab.h>
+
+#include "ccu_common.h"
+#include "ccu_reset.h"
+
+static DEFINE_SPINLOCK(ccu_lock);
+
+void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock)
+{
+ u32 reg;
+
+ if (!lock)
+ return;
+
+ WARN_ON(readl_relaxed_poll_timeout(common->base + common->reg, reg,
+ reg & lock, 100, 70000));
+}
+
+int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc)
+{
+ struct ccu_reset *reset;
+ int i, ret;
+
+ for (i = 0; i < desc->num_ccu_clks; i++) {
+ struct ccu_common *cclk = desc->ccu_clks[i];
+
+ if (!cclk)
+ continue;
+
+ cclk->base = reg;
+ cclk->lock = &ccu_lock;
+ }
+
+ for (i = 0; i < desc->hw_clks->num ; i++) {
+ struct clk_hw *hw = desc->hw_clks->hws[i];
+
+ if (!hw)
+ continue;
+
+ ret = clk_hw_register(NULL, hw);
+ if (ret) {
+ pr_err("Couldn't register clock %s\n",
+ clk_hw_get_name(hw));
+ goto err_clk_unreg;
+ }
+ }
+
+ ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,
+ desc->hw_clks);
+ if (ret)
+ goto err_clk_unreg;
+
+ reset = kzalloc(sizeof(*reset), GFP_KERNEL);
+ reset->rcdev.of_node = node;
+ reset->rcdev.ops = &ccu_reset_ops;
+ reset->rcdev.owner = THIS_MODULE;
+ reset->rcdev.nr_resets = desc->num_resets;
+ reset->base = reg;
+ reset->lock = &ccu_lock;
+ reset->reset_map = desc->resets;
+
+ ret = reset_controller_register(&reset->rcdev);
+ if (ret)
+ goto err_of_clk_unreg;
+
+ return 0;
+
+err_of_clk_unreg:
+err_clk_unreg:
+ return ret;
+}
diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h
new file mode 100644
index 000000000..b3d9abfbd
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_common.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _COMMON_H_
+#define _COMMON_H_
+
+#include <linux/compiler.h>
+#include <linux/clk-provider.h>
+
+#define CCU_FEATURE_FRACTIONAL BIT(0)
+#define CCU_FEATURE_VARIABLE_PREDIV BIT(1)
+#define CCU_FEATURE_FIXED_PREDIV BIT(2)
+#define CCU_FEATURE_FIXED_POSTDIV BIT(3)
+
+struct device_node;
+
+#define CLK_HW_INIT(_name, _parent, _ops, _flags) \
+ &(struct clk_init_data) { \
+ .flags = _flags, \
+ .name = _name, \
+ .parent_names = (const char *[]) { _parent }, \
+ .num_parents = 1, \
+ .ops = _ops, \
+ }
+
+#define CLK_HW_INIT_PARENTS(_name, _parents, _ops, _flags) \
+ &(struct clk_init_data) { \
+ .flags = _flags, \
+ .name = _name, \
+ .parent_names = _parents, \
+ .num_parents = ARRAY_SIZE(_parents), \
+ .ops = _ops, \
+ }
+
+#define CLK_FIXED_FACTOR(_struct, _name, _parent, \
+ _div, _mult, _flags) \
+ struct clk_fixed_factor _struct = { \
+ .div = _div, \
+ .mult = _mult, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &clk_fixed_factor_ops, \
+ _flags), \
+ }
+
+struct ccu_common {
+ void __iomem *base;
+ u16 reg;
+
+ unsigned long features;
+ spinlock_t *lock;
+ struct clk_hw hw;
+};
+
+static inline struct ccu_common *hw_to_ccu_common(struct clk_hw *hw)
+{
+ return container_of(hw, struct ccu_common, hw);
+}
+
+struct sunxi_ccu_desc {
+ struct ccu_common **ccu_clks;
+ unsigned long num_ccu_clks;
+
+ struct clk_hw_onecell_data *hw_clks;
+
+ struct ccu_reset_map *resets;
+ unsigned long num_resets;
+};
+
+void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock);
+
+int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc);
+
+#endif /* _COMMON_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c
new file mode 100644
index 000000000..8659b4cb6
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_div.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+
+#include "ccu_gate.h"
+#include "ccu_div.h"
+
+static unsigned long ccu_div_round_rate(struct ccu_mux_internal *mux,
+ unsigned long parent_rate,
+ unsigned long rate,
+ void *data)
+{
+ struct ccu_div *cd = data;
+ unsigned long val;
+
+ /*
+ * We can't use divider_round_rate that assumes that there's
+ * several parents, while we might be called to evaluate
+ * several different parents.
+ */
+ val = divider_get_val(rate, parent_rate, cd->div.table, cd->div.width,
+ cd->div.flags);
+
+ return divider_recalc_rate(&cd->common.hw, parent_rate, val,
+ cd->div.table, cd->div.flags);
+}
+
+static void ccu_div_disable(struct clk_hw *hw)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+
+ return ccu_gate_helper_disable(&cd->common, cd->enable);
+}
+
+static int ccu_div_enable(struct clk_hw *hw)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+
+ return ccu_gate_helper_enable(&cd->common, cd->enable);
+}
+
+static int ccu_div_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+
+ return ccu_gate_helper_is_enabled(&cd->common, cd->enable);
+}
+
+static unsigned long ccu_div_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+ unsigned long val;
+ u32 reg;
+
+ reg = readl(cd->common.base + cd->common.reg);
+ val = reg >> cd->div.shift;
+ val &= (1 << cd->div.width) - 1;
+
+ ccu_mux_helper_adjust_parent_for_prediv(&cd->common, &cd->mux, -1,
+ &parent_rate);
+
+ return divider_recalc_rate(hw, parent_rate, val, cd->div.table,
+ cd->div.flags);
+}
+
+static int ccu_div_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+
+ return ccu_mux_helper_determine_rate(&cd->common, &cd->mux,
+ req, ccu_div_round_rate, cd);
+}
+
+static int ccu_div_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+ unsigned long flags;
+ unsigned long val;
+ u32 reg;
+
+ ccu_mux_helper_adjust_parent_for_prediv(&cd->common, &cd->mux, -1,
+ &parent_rate);
+
+ val = divider_get_val(rate, parent_rate, cd->div.table, cd->div.width,
+ cd->div.flags);
+
+ spin_lock_irqsave(cd->common.lock, flags);
+
+ reg = readl(cd->common.base + cd->common.reg);
+ reg &= ~GENMASK(cd->div.width + cd->div.shift - 1, cd->div.shift);
+
+ writel(reg | (val << cd->div.shift),
+ cd->common.base + cd->common.reg);
+
+ spin_unlock_irqrestore(cd->common.lock, flags);
+
+ return 0;
+}
+
+static u8 ccu_div_get_parent(struct clk_hw *hw)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+
+ return ccu_mux_helper_get_parent(&cd->common, &cd->mux);
+}
+
+static int ccu_div_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct ccu_div *cd = hw_to_ccu_div(hw);
+
+ return ccu_mux_helper_set_parent(&cd->common, &cd->mux, index);
+}
+
+const struct clk_ops ccu_div_ops = {
+ .disable = ccu_div_disable,
+ .enable = ccu_div_enable,
+ .is_enabled = ccu_div_is_enabled,
+
+ .get_parent = ccu_div_get_parent,
+ .set_parent = ccu_div_set_parent,
+
+ .determine_rate = ccu_div_determine_rate,
+ .recalc_rate = ccu_div_recalc_rate,
+ .set_rate = ccu_div_set_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h
new file mode 100644
index 000000000..653ade576
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_div.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_DIV_H_
+#define _CCU_DIV_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_mux.h"
+
+struct _ccu_div {
+ u8 shift;
+ u8 width;
+
+ u32 flags;
+
+ struct clk_div_table *table;
+};
+
+#define _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, _table, _flags) \
+ { \
+ .shift = _shift, \
+ .width = _width, \
+ .flags = _flags, \
+ .table = _table, \
+ }
+
+#define _SUNXI_CCU_DIV_FLAGS(_shift, _width, _flags) \
+ _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, NULL, _flags)
+
+#define _SUNXI_CCU_DIV_TABLE(_shift, _width, _table) \
+ _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, _table, 0)
+
+#define _SUNXI_CCU_DIV(_shift, _width) \
+ _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, NULL, 0)
+
+struct ccu_div {
+ u32 enable;
+
+ struct _ccu_div div;
+ struct ccu_mux_internal mux;
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_DIV_TABLE_WITH_GATE(_struct, _name, _parent, _reg, \
+ _shift, _width, \
+ _table, _gate, _flags) \
+ struct ccu_div _struct = { \
+ .div = _SUNXI_CCU_DIV_TABLE(_shift, _width, \
+ _table), \
+ .enable = _gate, \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_div_ops, \
+ _flags), \
+ } \
+ }
+
+
+#define SUNXI_CCU_DIV_TABLE(_struct, _name, _parent, _reg, \
+ _shift, _width, \
+ _table, _flags) \
+ SUNXI_CCU_DIV_TABLE_WITH_GATE(_struct, _name, _parent, _reg, \
+ _shift, _width, _table, 0, \
+ _flags)
+
+#define SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, _muxshift, _muxwidth, \
+ _gate, _flags) \
+ struct ccu_div _struct = { \
+ .enable = _gate, \
+ .div = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .mux = SUNXI_CLK_MUX(_muxshift, _muxwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_div_ops, \
+ _flags), \
+ }, \
+ }
+
+#define SUNXI_CCU_M_WITH_MUX(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, _muxshift, _muxwidth, \
+ _flags) \
+ SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, _muxshift, _muxwidth, \
+ 0, _flags)
+
+
+#define SUNXI_CCU_M_WITH_GATE(_struct, _name, _parent, _reg, \
+ _mshift, _mwidth, _gate, \
+ _flags) \
+ struct ccu_div _struct = { \
+ .enable = _gate, \
+ .div = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_div_ops, \
+ _flags), \
+ }, \
+ }
+
+#define SUNXI_CCU_M(_struct, _name, _parent, _reg, _mshift, _mwidth, \
+ _flags) \
+ SUNXI_CCU_M_WITH_GATE(_struct, _name, _parent, _reg, \
+ _mshift, _mwidth, 0, _flags)
+
+static inline struct ccu_div *hw_to_ccu_div(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_div, common);
+}
+
+extern const struct clk_ops ccu_div_ops;
+
+#endif /* _CCU_DIV_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_frac.c b/drivers/clk/sunxi-ng/ccu_frac.c
new file mode 100644
index 000000000..5c4b10cd1
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_frac.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/spinlock.h>
+
+#include "ccu_frac.h"
+
+bool ccu_frac_helper_is_enabled(struct ccu_common *common,
+ struct _ccu_frac *cf)
+{
+ if (!(common->features & CCU_FEATURE_FRACTIONAL))
+ return false;
+
+ return !(readl(common->base + common->reg) & cf->enable);
+}
+
+void ccu_frac_helper_enable(struct ccu_common *common,
+ struct _ccu_frac *cf)
+{
+ unsigned long flags;
+ u32 reg;
+
+ if (!(common->features & CCU_FEATURE_FRACTIONAL))
+ return;
+
+ spin_lock_irqsave(common->lock, flags);
+ reg = readl(common->base + common->reg);
+ writel(reg & ~cf->enable, common->base + common->reg);
+ spin_unlock_irqrestore(common->lock, flags);
+}
+
+void ccu_frac_helper_disable(struct ccu_common *common,
+ struct _ccu_frac *cf)
+{
+ unsigned long flags;
+ u32 reg;
+
+ if (!(common->features & CCU_FEATURE_FRACTIONAL))
+ return;
+
+ spin_lock_irqsave(common->lock, flags);
+ reg = readl(common->base + common->reg);
+ writel(reg | cf->enable, common->base + common->reg);
+ spin_unlock_irqrestore(common->lock, flags);
+}
+
+bool ccu_frac_helper_has_rate(struct ccu_common *common,
+ struct _ccu_frac *cf,
+ unsigned long rate)
+{
+ if (!(common->features & CCU_FEATURE_FRACTIONAL))
+ return false;
+
+ return (cf->rates[0] == rate) || (cf->rates[1] == rate);
+}
+
+unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
+ struct _ccu_frac *cf)
+{
+ u32 reg;
+
+ printk("%s: Read fractional\n", clk_hw_get_name(&common->hw));
+
+ if (!(common->features & CCU_FEATURE_FRACTIONAL))
+ return 0;
+
+ printk("%s: clock is fractional (rates %lu and %lu)\n",
+ clk_hw_get_name(&common->hw), cf->rates[0], cf->rates[1]);
+
+ reg = readl(common->base + common->reg);
+
+ printk("%s: clock reg is 0x%x (select is 0x%x)\n",
+ clk_hw_get_name(&common->hw), reg, cf->select);
+
+ return (reg & cf->select) ? cf->rates[1] : cf->rates[0];
+}
+
+int ccu_frac_helper_set_rate(struct ccu_common *common,
+ struct _ccu_frac *cf,
+ unsigned long rate)
+{
+ unsigned long flags;
+ u32 reg, sel;
+
+ if (!(common->features & CCU_FEATURE_FRACTIONAL))
+ return -EINVAL;
+
+ if (cf->rates[0] == rate)
+ sel = 0;
+ else if (cf->rates[1] == rate)
+ sel = cf->select;
+ else
+ return -EINVAL;
+
+ spin_lock_irqsave(common->lock, flags);
+ reg = readl(common->base + common->reg);
+ reg &= ~cf->select;
+ writel(reg | sel, common->base + common->reg);
+ spin_unlock_irqrestore(common->lock, flags);
+
+ return 0;
+}
diff --git a/drivers/clk/sunxi-ng/ccu_frac.h b/drivers/clk/sunxi-ng/ccu_frac.h
new file mode 100644
index 000000000..e4c670b1c
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_frac.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_FRAC_H_
+#define _CCU_FRAC_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct _ccu_frac {
+ u32 enable;
+ u32 select;
+
+ unsigned long rates[2];
+};
+
+#define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2) \
+ { \
+ .enable = _enable, \
+ .select = _select, \
+ .rates = { _rate1, _rate2 }, \
+ }
+
+bool ccu_frac_helper_is_enabled(struct ccu_common *common,
+ struct _ccu_frac *cf);
+void ccu_frac_helper_enable(struct ccu_common *common,
+ struct _ccu_frac *cf);
+void ccu_frac_helper_disable(struct ccu_common *common,
+ struct _ccu_frac *cf);
+
+bool ccu_frac_helper_has_rate(struct ccu_common *common,
+ struct _ccu_frac *cf,
+ unsigned long rate);
+
+unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
+ struct _ccu_frac *cf);
+
+int ccu_frac_helper_set_rate(struct ccu_common *common,
+ struct _ccu_frac *cf,
+ unsigned long rate);
+
+#endif /* _CCU_FRAC_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_gate.c b/drivers/clk/sunxi-ng/ccu_gate.c
new file mode 100644
index 000000000..8a81f9d4a
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_gate.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+
+#include "ccu_gate.h"
+
+void ccu_gate_helper_disable(struct ccu_common *common, u32 gate)
+{
+ unsigned long flags;
+ u32 reg;
+
+ if (!gate)
+ return;
+
+ spin_lock_irqsave(common->lock, flags);
+
+ reg = readl(common->base + common->reg);
+ writel(reg & ~gate, common->base + common->reg);
+
+ spin_unlock_irqrestore(common->lock, flags);
+}
+
+static void ccu_gate_disable(struct clk_hw *hw)
+{
+ struct ccu_gate *cg = hw_to_ccu_gate(hw);
+
+ return ccu_gate_helper_disable(&cg->common, cg->enable);
+}
+
+int ccu_gate_helper_enable(struct ccu_common *common, u32 gate)
+{
+ unsigned long flags;
+ u32 reg;
+
+ if (!gate)
+ return 0;
+
+ spin_lock_irqsave(common->lock, flags);
+
+ reg = readl(common->base + common->reg);
+ writel(reg | gate, common->base + common->reg);
+
+ spin_unlock_irqrestore(common->lock, flags);
+
+ return 0;
+}
+
+static int ccu_gate_enable(struct clk_hw *hw)
+{
+ struct ccu_gate *cg = hw_to_ccu_gate(hw);
+
+ return ccu_gate_helper_enable(&cg->common, cg->enable);
+}
+
+int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate)
+{
+ if (!gate)
+ return 1;
+
+ return readl(common->base + common->reg) & gate;
+}
+
+static int ccu_gate_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_gate *cg = hw_to_ccu_gate(hw);
+
+ return ccu_gate_helper_is_enabled(&cg->common, cg->enable);
+}
+
+const struct clk_ops ccu_gate_ops = {
+ .disable = ccu_gate_disable,
+ .enable = ccu_gate_enable,
+ .is_enabled = ccu_gate_is_enabled,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_gate.h b/drivers/clk/sunxi-ng/ccu_gate.h
new file mode 100644
index 000000000..4466169bd
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_gate.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_GATE_H_
+#define _CCU_GATE_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct ccu_gate {
+ u32 enable;
+
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_GATE(_struct, _name, _parent, _reg, _gate, _flags) \
+ struct ccu_gate _struct = { \
+ .enable = _gate, \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_gate_ops, \
+ _flags), \
+ } \
+ }
+
+static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_gate, common);
+}
+
+void ccu_gate_helper_disable(struct ccu_common *common, u32 gate);
+int ccu_gate_helper_enable(struct ccu_common *common, u32 gate);
+int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate);
+
+extern const struct clk_ops ccu_gate_ops;
+
+#endif /* _CCU_GATE_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_mp.c b/drivers/clk/sunxi-ng/ccu_mp.c
new file mode 100644
index 000000000..cbf33ef5f
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_mp.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+
+#include "ccu_gate.h"
+#include "ccu_mp.h"
+
+static void ccu_mp_find_best(unsigned long parent, unsigned long rate,
+ unsigned int max_m, unsigned int max_p,
+ unsigned int *m, unsigned int *p)
+{
+ unsigned long best_rate = 0;
+ unsigned int best_m = 0, best_p = 0;
+ unsigned int _m, _p;
+
+ for (_p = 0; _p <= max_p; _p++) {
+ for (_m = 1; _m <= max_m; _m++) {
+ unsigned long tmp_rate = (parent >> _p) / _m;
+
+ if (tmp_rate > rate)
+ continue;
+
+ if ((rate - tmp_rate) < (rate - best_rate)) {
+ best_rate = tmp_rate;
+ best_m = _m;
+ best_p = _p;
+ }
+ }
+ }
+
+ *m = best_m;
+ *p = best_p;
+}
+
+static unsigned long ccu_mp_round_rate(struct ccu_mux_internal *mux,
+ unsigned long parent_rate,
+ unsigned long rate,
+ void *data)
+{
+ struct ccu_mp *cmp = data;
+ unsigned int m, p;
+
+ ccu_mp_find_best(parent_rate, rate,
+ 1 << cmp->m.width, (1 << cmp->p.width) - 1,
+ &m, &p);
+
+ return (parent_rate >> p) / m;
+}
+
+static void ccu_mp_disable(struct clk_hw *hw)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+
+ return ccu_gate_helper_disable(&cmp->common, cmp->enable);
+}
+
+static int ccu_mp_enable(struct clk_hw *hw)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+
+ return ccu_gate_helper_enable(&cmp->common, cmp->enable);
+}
+
+static int ccu_mp_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+
+ return ccu_gate_helper_is_enabled(&cmp->common, cmp->enable);
+}
+
+static unsigned long ccu_mp_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+ unsigned int m, p;
+ u32 reg;
+
+ reg = readl(cmp->common.base + cmp->common.reg);
+
+ m = reg >> cmp->m.shift;
+ m &= (1 << cmp->m.width) - 1;
+
+ p = reg >> cmp->p.shift;
+ p &= (1 << cmp->p.width) - 1;
+
+ return (parent_rate >> p) / (m + 1);
+}
+
+static int ccu_mp_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+
+ return ccu_mux_helper_determine_rate(&cmp->common, &cmp->mux,
+ req, ccu_mp_round_rate, cmp);
+}
+
+static int ccu_mp_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+ unsigned long flags;
+ unsigned int m, p;
+ u32 reg;
+
+ ccu_mp_find_best(parent_rate, rate,
+ 1 << cmp->m.width, (1 << cmp->p.width) - 1,
+ &m, &p);
+
+
+ spin_lock_irqsave(cmp->common.lock, flags);
+
+ reg = readl(cmp->common.base + cmp->common.reg);
+ reg &= ~GENMASK(cmp->m.width + cmp->m.shift - 1, cmp->m.shift);
+ reg &= ~GENMASK(cmp->p.width + cmp->p.shift - 1, cmp->p.shift);
+
+ writel(reg | (p << cmp->p.shift) | ((m - 1) << cmp->m.shift),
+ cmp->common.base + cmp->common.reg);
+
+ spin_unlock_irqrestore(cmp->common.lock, flags);
+
+ return 0;
+}
+
+static u8 ccu_mp_get_parent(struct clk_hw *hw)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+
+ return ccu_mux_helper_get_parent(&cmp->common, &cmp->mux);
+}
+
+static int ccu_mp_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct ccu_mp *cmp = hw_to_ccu_mp(hw);
+
+ return ccu_mux_helper_set_parent(&cmp->common, &cmp->mux, index);
+}
+
+const struct clk_ops ccu_mp_ops = {
+ .disable = ccu_mp_disable,
+ .enable = ccu_mp_enable,
+ .is_enabled = ccu_mp_is_enabled,
+
+ .get_parent = ccu_mp_get_parent,
+ .set_parent = ccu_mp_set_parent,
+
+ .determine_rate = ccu_mp_determine_rate,
+ .recalc_rate = ccu_mp_recalc_rate,
+ .set_rate = ccu_mp_set_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_mp.h b/drivers/clk/sunxi-ng/ccu_mp.h
new file mode 100644
index 000000000..3cf12bf95
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_mp.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_MP_H_
+#define _CCU_MP_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_div.h"
+#include "ccu_mult.h"
+#include "ccu_mux.h"
+
+/*
+ * struct ccu_mp - Definition of an M-P clock
+ *
+ * Clocks based on the formula parent >> P / M
+ */
+struct ccu_mp {
+ u32 enable;
+
+ struct _ccu_div m;
+ struct _ccu_div p;
+ struct ccu_mux_internal mux;
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, \
+ _pshift, _pwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags) \
+ struct ccu_mp _struct = { \
+ .enable = _gate, \
+ .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .p = _SUNXI_CCU_DIV(_pshift, _pwidth), \
+ .mux = SUNXI_CLK_MUX(_muxshift, _muxwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_mp_ops, \
+ _flags), \
+ } \
+ }
+
+#define SUNXI_CCU_MP_WITH_MUX(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, \
+ _pshift, _pwidth, \
+ _muxshift, _muxwidth, \
+ _flags) \
+ SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, \
+ _pshift, _pwidth, \
+ _muxshift, _muxwidth, \
+ 0, _flags)
+
+static inline struct ccu_mp *hw_to_ccu_mp(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_mp, common);
+}
+
+extern const struct clk_ops ccu_mp_ops;
+
+#endif /* _CCU_MP_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_mult.h b/drivers/clk/sunxi-ng/ccu_mult.h
new file mode 100644
index 000000000..609db6610
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_mult.h
@@ -0,0 +1,15 @@
+#ifndef _CCU_MULT_H_
+#define _CCU_MULT_H_
+
+struct _ccu_mult {
+ u8 shift;
+ u8 width;
+};
+
+#define _SUNXI_CCU_MULT(_shift, _width) \
+ { \
+ .shift = _shift, \
+ .width = _width, \
+ }
+
+#endif /* _CCU_MULT_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_mux.c b/drivers/clk/sunxi-ng/ccu_mux.c
new file mode 100644
index 000000000..58fc36e7d
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_mux.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+
+#include "ccu_gate.h"
+#include "ccu_mux.h"
+
+void ccu_mux_helper_adjust_parent_for_prediv(struct ccu_common *common,
+ struct ccu_mux_internal *cm,
+ int parent_index,
+ unsigned long *parent_rate)
+{
+ u8 prediv = 1;
+ u32 reg;
+
+ if (!((common->features & CCU_FEATURE_FIXED_PREDIV) ||
+ (common->features & CCU_FEATURE_VARIABLE_PREDIV)))
+ return;
+
+ reg = readl(common->base + common->reg);
+ if (parent_index < 0) {
+ parent_index = reg >> cm->shift;
+ parent_index &= (1 << cm->width) - 1;
+ }
+
+ if (common->features & CCU_FEATURE_FIXED_PREDIV)
+ if (parent_index == cm->fixed_prediv.index)
+ prediv = cm->fixed_prediv.div;
+
+ if (common->features & CCU_FEATURE_VARIABLE_PREDIV)
+ if (parent_index == cm->variable_prediv.index) {
+ u8 div;
+
+ div = reg >> cm->variable_prediv.shift;
+ div &= (1 << cm->variable_prediv.width) - 1;
+ prediv = div + 1;
+ }
+
+ *parent_rate = *parent_rate / prediv;
+}
+
+int ccu_mux_helper_determine_rate(struct ccu_common *common,
+ struct ccu_mux_internal *cm,
+ struct clk_rate_request *req,
+ unsigned long (*round)(struct ccu_mux_internal *,
+ unsigned long,
+ unsigned long,
+ void *),
+ void *data)
+{
+ unsigned long best_parent_rate = 0, best_rate = 0;
+ struct clk_hw *best_parent, *hw = &common->hw;
+ unsigned int i;
+
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ unsigned long tmp_rate, parent_rate;
+ struct clk_hw *parent;
+
+ parent = clk_hw_get_parent_by_index(hw, i);
+ if (!parent)
+ continue;
+
+ parent_rate = clk_hw_get_rate(parent);
+ ccu_mux_helper_adjust_parent_for_prediv(common, cm, i,
+ &parent_rate);
+
+ tmp_rate = round(cm, clk_hw_get_rate(parent), req->rate, data);
+ if (tmp_rate == req->rate) {
+ best_parent = parent;
+ best_parent_rate = parent_rate;
+ best_rate = tmp_rate;
+ goto out;
+ }
+
+ if ((req->rate - tmp_rate) < (req->rate - best_rate)) {
+ best_rate = tmp_rate;
+ best_parent_rate = parent_rate;
+ best_parent = parent;
+ }
+ }
+
+ if (best_rate == 0)
+ return -EINVAL;
+
+out:
+ req->best_parent_hw = best_parent;
+ req->best_parent_rate = best_parent_rate;
+ req->rate = best_rate;
+ return 0;
+}
+
+u8 ccu_mux_helper_get_parent(struct ccu_common *common,
+ struct ccu_mux_internal *cm)
+{
+ u32 reg;
+ u8 parent;
+
+ reg = readl(common->base + common->reg);
+ parent = reg >> cm->shift;
+ parent &= (1 << cm->width) - 1;
+
+ return parent;
+}
+
+int ccu_mux_helper_set_parent(struct ccu_common *common,
+ struct ccu_mux_internal *cm,
+ u8 index)
+{
+ unsigned long flags;
+ u32 reg;
+
+ spin_lock_irqsave(common->lock, flags);
+
+ reg = readl(common->base + common->reg);
+ reg &= ~GENMASK(cm->width + cm->shift - 1, cm->shift);
+ writel(reg | (index << cm->shift), common->base + common->reg);
+
+ spin_unlock_irqrestore(common->lock, flags);
+
+ return 0;
+}
+
+static void ccu_mux_disable(struct clk_hw *hw)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ return ccu_gate_helper_disable(&cm->common, cm->enable);
+}
+
+static int ccu_mux_enable(struct clk_hw *hw)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ return ccu_gate_helper_enable(&cm->common, cm->enable);
+}
+
+static int ccu_mux_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ return ccu_gate_helper_is_enabled(&cm->common, cm->enable);
+}
+
+static u8 ccu_mux_get_parent(struct clk_hw *hw)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ return ccu_mux_helper_get_parent(&cm->common, &cm->mux);
+}
+
+static int ccu_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ return ccu_mux_helper_set_parent(&cm->common, &cm->mux, index);
+}
+
+static unsigned long ccu_mux_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ ccu_mux_helper_adjust_parent_for_prediv(&cm->common, &cm->mux, -1,
+ &parent_rate);
+
+ return parent_rate;
+}
+
+const struct clk_ops ccu_mux_ops = {
+ .disable = ccu_mux_disable,
+ .enable = ccu_mux_enable,
+ .is_enabled = ccu_mux_is_enabled,
+
+ .get_parent = ccu_mux_get_parent,
+ .set_parent = ccu_mux_set_parent,
+
+ .determine_rate = __clk_mux_determine_rate,
+ .recalc_rate = ccu_mux_recalc_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_mux.h b/drivers/clk/sunxi-ng/ccu_mux.h
new file mode 100644
index 000000000..945082631
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_mux.h
@@ -0,0 +1,91 @@
+#ifndef _CCU_MUX_H_
+#define _CCU_MUX_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct ccu_mux_internal {
+ u8 shift;
+ u8 width;
+
+ struct {
+ u8 index;
+ u8 div;
+ } fixed_prediv;
+
+ struct {
+ u8 index;
+ u8 shift;
+ u8 width;
+ } variable_prediv;
+};
+
+#define SUNXI_CLK_MUX(_shift, _width) \
+ { \
+ .shift = _shift, \
+ .width = _width, \
+ }
+
+struct ccu_mux {
+ u16 reg;
+ u32 enable;
+
+ struct ccu_mux_internal mux;
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_MUX(_struct, _name, _parents, _reg, _shift, _width, _flags) \
+ struct ccu_mux _struct = { \
+ .mux = SUNXI_CLK_MUX(_shift, _width), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_mux_ops, \
+ _flags), \
+ } \
+ }
+
+#define SUNXI_CCU_MUX_WITH_GATE(_struct, _name, _parents, _reg, \
+ _shift, _width, _gate, _flags) \
+ struct ccu_mux _struct = { \
+ .enable = _gate, \
+ .mux = SUNXI_CLK_MUX(_shift, _width), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_mux_ops, \
+ _flags), \
+ } \
+ }
+
+static inline struct ccu_mux *hw_to_ccu_mux(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_mux, common);
+}
+
+extern const struct clk_ops ccu_mux_ops;
+
+void ccu_mux_helper_adjust_parent_for_prediv(struct ccu_common *common,
+ struct ccu_mux_internal *cm,
+ int parent_index,
+ unsigned long *parent_rate);
+int ccu_mux_helper_determine_rate(struct ccu_common *common,
+ struct ccu_mux_internal *cm,
+ struct clk_rate_request *req,
+ unsigned long (*round)(struct ccu_mux_internal *,
+ unsigned long,
+ unsigned long,
+ void *),
+ void *data);
+u8 ccu_mux_helper_get_parent(struct ccu_common *common,
+ struct ccu_mux_internal *cm);
+int ccu_mux_helper_set_parent(struct ccu_common *common,
+ struct ccu_mux_internal *cm,
+ u8 index);
+
+#endif /* _CCU_MUX_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_nk.c b/drivers/clk/sunxi-ng/ccu_nk.c
new file mode 100644
index 000000000..d6fafb397
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nk.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/rational.h>
+
+#include "ccu_gate.h"
+#include "ccu_nk.h"
+
+static void ccu_nk_find_best(unsigned long parent, unsigned long rate,
+ unsigned int max_n, unsigned int max_k,
+ unsigned int *n, unsigned int *k)
+{
+ unsigned long best_rate = 0;
+ unsigned int best_k = 0, best_n = 0;
+ unsigned int _k, _n;
+
+ for (_k = 1; _k <= max_k; _k++) {
+ for (_n = 1; _n <= max_n; _n++) {
+ unsigned long tmp_rate = parent * _n * _k;
+
+ if (tmp_rate > rate)
+ continue;
+
+ if ((rate - tmp_rate) < (rate - best_rate)) {
+ best_rate = tmp_rate;
+ best_k = _k;
+ best_n = _n;
+ }
+ }
+ }
+
+ *k = best_k;
+ *n = best_n;
+}
+
+static void ccu_nk_disable(struct clk_hw *hw)
+{
+ struct ccu_nk *nk = hw_to_ccu_nk(hw);
+
+ return ccu_gate_helper_disable(&nk->common, nk->enable);
+}
+
+static int ccu_nk_enable(struct clk_hw *hw)
+{
+ struct ccu_nk *nk = hw_to_ccu_nk(hw);
+
+ return ccu_gate_helper_enable(&nk->common, nk->enable);
+}
+
+static int ccu_nk_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_nk *nk = hw_to_ccu_nk(hw);
+
+ return ccu_gate_helper_is_enabled(&nk->common, nk->enable);
+}
+
+static unsigned long ccu_nk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_nk *nk = hw_to_ccu_nk(hw);
+ unsigned long rate, n, k;
+ u32 reg;
+
+ reg = readl(nk->common.base + nk->common.reg);
+
+ n = reg >> nk->n.shift;
+ n &= (1 << nk->n.width) - 1;
+
+ k = reg >> nk->k.shift;
+ k &= (1 << nk->k.width) - 1;
+
+ rate = parent_rate * (n + 1) * (k + 1);
+
+ if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
+ rate /= nk->fixed_post_div;
+
+ return rate;
+}
+
+static long ccu_nk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct ccu_nk *nk = hw_to_ccu_nk(hw);
+ unsigned int n, k;
+
+ if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
+ rate *= nk->fixed_post_div;
+
+ ccu_nk_find_best(*parent_rate, rate,
+ 1 << nk->n.width, 1 << nk->k.width,
+ &n, &k);
+
+ rate = *parent_rate * n * k;
+ if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
+ rate = rate / nk->fixed_post_div;
+
+ return rate;
+}
+
+static int ccu_nk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ccu_nk *nk = hw_to_ccu_nk(hw);
+ unsigned long flags;
+ unsigned int n, k;
+ u32 reg;
+
+ if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
+ rate = rate * nk->fixed_post_div;
+
+ ccu_nk_find_best(parent_rate, rate,
+ 1 << nk->n.width, 1 << nk->k.width,
+ &n, &k);
+
+ spin_lock_irqsave(nk->common.lock, flags);
+
+ reg = readl(nk->common.base + nk->common.reg);
+ reg &= ~GENMASK(nk->n.width + nk->n.shift - 1, nk->n.shift);
+ reg &= ~GENMASK(nk->k.width + nk->k.shift - 1, nk->k.shift);
+
+ writel(reg | ((k - 1) << nk->k.shift) | ((n - 1) << nk->n.shift),
+ nk->common.base + nk->common.reg);
+
+ spin_unlock_irqrestore(nk->common.lock, flags);
+
+ ccu_helper_wait_for_lock(&nk->common, nk->lock);
+
+ return 0;
+}
+
+const struct clk_ops ccu_nk_ops = {
+ .disable = ccu_nk_disable,
+ .enable = ccu_nk_enable,
+ .is_enabled = ccu_nk_is_enabled,
+
+ .recalc_rate = ccu_nk_recalc_rate,
+ .round_rate = ccu_nk_round_rate,
+ .set_rate = ccu_nk_set_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_nk.h b/drivers/clk/sunxi-ng/ccu_nk.h
new file mode 100644
index 000000000..4b52da0c2
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nk.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_NK_H_
+#define _CCU_NK_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_div.h"
+#include "ccu_mult.h"
+
+/*
+ * struct ccu_nk - Definition of an N-K clock
+ *
+ * Clocks based on the formula parent * N * K
+ */
+struct ccu_nk {
+ u16 reg;
+ u32 enable;
+ u32 lock;
+
+ struct _ccu_mult n;
+ struct _ccu_mult k;
+
+ unsigned int fixed_post_div;
+
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
+ _nshift, _nwidth, \
+ _kshift, _kwidth, \
+ _gate, _lock, _postdiv, \
+ _flags) \
+ struct ccu_nk _struct = { \
+ .enable = _gate, \
+ .lock = _lock, \
+ .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
+ .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
+ .fixed_post_div = _postdiv, \
+ .common = { \
+ .reg = _reg, \
+ .features = CCU_FEATURE_FIXED_POSTDIV, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_nk_ops, \
+ _flags), \
+ }, \
+ }
+
+static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_nk, common);
+}
+
+extern const struct clk_ops ccu_nk_ops;
+
+#endif /* _CCU_NK_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
new file mode 100644
index 000000000..2071822b1
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nkm.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/rational.h>
+
+#include "ccu_gate.h"
+#include "ccu_nkm.h"
+
+struct _ccu_nkm {
+ unsigned long n, max_n;
+ unsigned long k, max_k;
+ unsigned long m, max_m;
+};
+
+static void ccu_nkm_find_best(unsigned long parent, unsigned long rate,
+ struct _ccu_nkm *nkm)
+{
+ unsigned long best_rate = 0;
+ unsigned long best_n = 0, best_k = 0, best_m = 0;
+ unsigned long _n, _k, _m;
+
+ for (_k = 1; _k <= nkm->max_k; _k++) {
+ unsigned long tmp_rate;
+
+ rational_best_approximation(rate / _k, parent,
+ nkm->max_n, nkm->max_m, &_n, &_m);
+
+ tmp_rate = parent * _n * _k / _m;
+
+ if (tmp_rate > rate)
+ continue;
+
+ if ((rate - tmp_rate) < (rate - best_rate)) {
+ best_rate = tmp_rate;
+ best_n = _n;
+ best_k = _k;
+ best_m = _m;
+ }
+ }
+
+ nkm->n = best_n;
+ nkm->k = best_k;
+ nkm->m = best_m;
+}
+
+static void ccu_nkm_disable(struct clk_hw *hw)
+{
+ struct ccu_nkm *nkm = hw_to_ccu_nkm(hw);
+
+ return ccu_gate_helper_disable(&nkm->common, nkm->enable);
+}
+
+static int ccu_nkm_enable(struct clk_hw *hw)
+{
+ struct ccu_nkm *nkm = hw_to_ccu_nkm(hw);
+
+ return ccu_gate_helper_enable(&nkm->common, nkm->enable);
+}
+
+static int ccu_nkm_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_nkm *nkm = hw_to_ccu_nkm(hw);
+
+ return ccu_gate_helper_is_enabled(&nkm->common, nkm->enable);
+}
+
+static unsigned long ccu_nkm_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_nkm *nkm = hw_to_ccu_nkm(hw);
+ unsigned long n, m, k;
+ u32 reg;
+
+ reg = readl(nkm->common.base + nkm->common.reg);
+
+ n = reg >> nkm->n.shift;
+ n &= (1 << nkm->n.width) - 1;
+
+ k = reg >> nkm->k.shift;
+ k &= (1 << nkm->k.width) - 1;
+
+ m = reg >> nkm->m.shift;
+ m &= (1 << nkm->m.width) - 1;
+
+ return parent_rate * (n + 1) * (k + 1) / (m + 1);
+}
+
+static long ccu_nkm_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct ccu_nkm *nkm = hw_to_ccu_nkm(hw);
+ struct _ccu_nkm _nkm;
+
+ _nkm.max_n = 1 << nkm->n.width;
+ _nkm.max_k = 1 << nkm->k.width;
+ _nkm.max_m = 1 << nkm->m.width;
+
+ ccu_nkm_find_best(*parent_rate, rate, &_nkm);
+
+ return *parent_rate * _nkm.n * _nkm.k / _nkm.m;
+}
+
+static int ccu_nkm_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ccu_nkm *nkm = hw_to_ccu_nkm(hw);
+ struct _ccu_nkm _nkm;
+ unsigned long flags;
+ u32 reg;
+
+ _nkm.max_n = 1 << nkm->n.width;
+ _nkm.max_k = 1 << nkm->k.width;
+ _nkm.max_m = 1 << nkm->m.width;
+
+ ccu_nkm_find_best(parent_rate, rate, &_nkm);
+
+ spin_lock_irqsave(nkm->common.lock, flags);
+
+ reg = readl(nkm->common.base + nkm->common.reg);
+ reg &= ~GENMASK(nkm->n.width + nkm->n.shift - 1, nkm->n.shift);
+ reg &= ~GENMASK(nkm->k.width + nkm->k.shift - 1, nkm->k.shift);
+ reg &= ~GENMASK(nkm->m.width + nkm->m.shift - 1, nkm->m.shift);
+
+ reg |= (_nkm.n - 1) << nkm->n.shift;
+ reg |= (_nkm.k - 1) << nkm->k.shift;
+ reg |= (_nkm.m - 1) << nkm->m.shift;
+
+ writel(reg, nkm->common.base + nkm->common.reg);
+
+ spin_unlock_irqrestore(nkm->common.lock, flags);
+
+ ccu_helper_wait_for_lock(&nkm->common, nkm->lock);
+
+ return 0;
+}
+
+const struct clk_ops ccu_nkm_ops = {
+ .disable = ccu_nkm_disable,
+ .enable = ccu_nkm_enable,
+ .is_enabled = ccu_nkm_is_enabled,
+
+ .recalc_rate = ccu_nkm_recalc_rate,
+ .round_rate = ccu_nkm_round_rate,
+ .set_rate = ccu_nkm_set_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.h b/drivers/clk/sunxi-ng/ccu_nkm.h
new file mode 100644
index 000000000..1936ac1c6
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nkm.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_NKM_H_
+#define _CCU_NKM_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_div.h"
+#include "ccu_mult.h"
+
+/*
+ * struct ccu_nkm - Definition of an N-K-M clock
+ *
+ * Clocks based on the formula parent * N * K / M
+ */
+struct ccu_nkm {
+ u32 enable;
+ u32 lock;
+
+ struct _ccu_mult n;
+ struct _ccu_mult k;
+ struct _ccu_div m;
+
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_NKM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
+ _nshift, _nwidth, \
+ _kshift, _kwidth, \
+ _mshift, _mwidth, \
+ _gate, _lock, _flags) \
+ struct ccu_nkm _struct = { \
+ .enable = _gate, \
+ .lock = _lock, \
+ .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
+ .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
+ .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_nkm_ops, \
+ _flags), \
+ }, \
+ }
+
+static inline struct ccu_nkm *hw_to_ccu_nkm(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_nkm, common);
+}
+
+extern const struct clk_ops ccu_nkm_ops;
+
+#endif /* _CCU_NKM_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c
new file mode 100644
index 000000000..9f2b98e19
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nkmp.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/rational.h>
+
+#include "ccu_gate.h"
+#include "ccu_nkmp.h"
+
+struct _ccu_nkmp {
+ unsigned long n, max_n;
+ unsigned long k, max_k;
+ unsigned long m, max_m;
+ unsigned long p, max_p;
+};
+
+static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate,
+ struct _ccu_nkmp *nkmp)
+{
+ unsigned long best_rate = 0;
+ unsigned long best_n = 0, best_k = 0, best_m = 0, best_p = 0;
+ unsigned long _n, _k, _m, _p;
+
+ for (_k = 1; _k <= nkmp->max_k; _k++) {
+ for (_p = 0; _p <= nkmp->max_p; _p++) {
+ unsigned long tmp_rate;
+
+ rational_best_approximation(rate / _k, parent >> _p,
+ nkmp->max_n, nkmp->max_m,
+ &_n, &_m);
+
+ tmp_rate = (parent * _n * _k >> _p) / _m;
+
+ if (tmp_rate > rate)
+ continue;
+
+ if ((rate - tmp_rate) < (rate - best_rate)) {
+ best_rate = tmp_rate;
+ best_n = _n;
+ best_k = _k;
+ best_m = _m;
+ best_p = _p;
+ }
+ }
+ }
+
+ nkmp->n = best_n;
+ nkmp->k = best_k;
+ nkmp->m = best_m;
+ nkmp->p = best_p;
+}
+
+static void ccu_nkmp_disable(struct clk_hw *hw)
+{
+ struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
+
+ return ccu_gate_helper_disable(&nkmp->common, nkmp->enable);
+}
+
+static int ccu_nkmp_enable(struct clk_hw *hw)
+{
+ struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
+
+ return ccu_gate_helper_enable(&nkmp->common, nkmp->enable);
+}
+
+static int ccu_nkmp_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
+
+ return ccu_gate_helper_is_enabled(&nkmp->common, nkmp->enable);
+}
+
+static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
+ unsigned long n, m, k, p;
+ u32 reg;
+
+ reg = readl(nkmp->common.base + nkmp->common.reg);
+
+ n = reg >> nkmp->n.shift;
+ n &= (1 << nkmp->n.width) - 1;
+
+ k = reg >> nkmp->k.shift;
+ k &= (1 << nkmp->k.width) - 1;
+
+ m = reg >> nkmp->m.shift;
+ m &= (1 << nkmp->m.width) - 1;
+
+ p = reg >> nkmp->p.shift;
+ p &= (1 << nkmp->p.width) - 1;
+
+ return (parent_rate * (n + 1) * (k + 1) >> p) / (m + 1);
+}
+
+static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
+ struct _ccu_nkmp _nkmp;
+
+ _nkmp.max_n = 1 << nkmp->n.width;
+ _nkmp.max_k = 1 << nkmp->k.width;
+ _nkmp.max_m = 1 << nkmp->m.width;
+ _nkmp.max_p = (1 << nkmp->p.width) - 1;
+
+ ccu_nkmp_find_best(*parent_rate, rate,
+ &_nkmp);
+
+ return (*parent_rate * _nkmp.n * _nkmp.k >> _nkmp.p) / _nkmp.m;
+}
+
+static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
+ struct _ccu_nkmp _nkmp;
+ unsigned long flags;
+ u32 reg;
+
+ _nkmp.max_n = 1 << nkmp->n.width;
+ _nkmp.max_k = 1 << nkmp->k.width;
+ _nkmp.max_m = 1 << nkmp->m.width;
+ _nkmp.max_p = (1 << nkmp->p.width) - 1;
+
+ ccu_nkmp_find_best(parent_rate, rate, &_nkmp);
+
+ spin_lock_irqsave(nkmp->common.lock, flags);
+
+ reg = readl(nkmp->common.base + nkmp->common.reg);
+ reg &= ~GENMASK(nkmp->n.width + nkmp->n.shift - 1, nkmp->n.shift);
+ reg &= ~GENMASK(nkmp->k.width + nkmp->k.shift - 1, nkmp->k.shift);
+ reg &= ~GENMASK(nkmp->m.width + nkmp->m.shift - 1, nkmp->m.shift);
+ reg &= ~GENMASK(nkmp->p.width + nkmp->p.shift - 1, nkmp->p.shift);
+
+ reg |= (_nkmp.n - 1) << nkmp->n.shift;
+ reg |= (_nkmp.k - 1) << nkmp->k.shift;
+ reg |= (_nkmp.m - 1) << nkmp->m.shift;
+ reg |= _nkmp.p << nkmp->p.shift;
+
+ writel(reg, nkmp->common.base + nkmp->common.reg);
+
+ spin_unlock_irqrestore(nkmp->common.lock, flags);
+
+ ccu_helper_wait_for_lock(&nkmp->common, nkmp->lock);
+
+ return 0;
+}
+
+const struct clk_ops ccu_nkmp_ops = {
+ .disable = ccu_nkmp_disable,
+ .enable = ccu_nkmp_enable,
+ .is_enabled = ccu_nkmp_is_enabled,
+
+ .recalc_rate = ccu_nkmp_recalc_rate,
+ .round_rate = ccu_nkmp_round_rate,
+ .set_rate = ccu_nkmp_set_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.h b/drivers/clk/sunxi-ng/ccu_nkmp.h
new file mode 100644
index 000000000..5adb0c92a
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nkmp.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_NKMP_H_
+#define _CCU_NKMP_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_div.h"
+#include "ccu_mult.h"
+
+/*
+ * struct ccu_nkmp - Definition of an N-K-M-P clock
+ *
+ * Clocks based on the formula parent * N * K >> P / M
+ */
+struct ccu_nkmp {
+ u32 enable;
+ u32 lock;
+
+ struct _ccu_mult n;
+ struct _ccu_mult k;
+ struct _ccu_div m;
+ struct _ccu_div p;
+
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
+ _nshift, _nwidth, \
+ _kshift, _kwidth, \
+ _mshift, _mwidth, \
+ _pshift, _pwidth, \
+ _gate, _lock, _flags) \
+ struct ccu_nkmp _struct = { \
+ .enable = _gate, \
+ .lock = _lock, \
+ .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
+ .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
+ .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .p = _SUNXI_CCU_DIV(_pshift, _pwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_nkmp_ops, \
+ _flags), \
+ }, \
+ }
+
+static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_nkmp, common);
+}
+
+extern const struct clk_ops ccu_nkmp_ops;
+
+#endif /* _CCU_NKMP_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_nm.c b/drivers/clk/sunxi-ng/ccu_nm.c
new file mode 100644
index 000000000..e35ddd8ee
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nm.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/rational.h>
+
+#include "ccu_frac.h"
+#include "ccu_gate.h"
+#include "ccu_nm.h"
+
+static void ccu_nm_disable(struct clk_hw *hw)
+{
+ struct ccu_nm *nm = hw_to_ccu_nm(hw);
+
+ return ccu_gate_helper_disable(&nm->common, nm->enable);
+}
+
+static int ccu_nm_enable(struct clk_hw *hw)
+{
+ struct ccu_nm *nm = hw_to_ccu_nm(hw);
+
+ return ccu_gate_helper_enable(&nm->common, nm->enable);
+}
+
+static int ccu_nm_is_enabled(struct clk_hw *hw)
+{
+ struct ccu_nm *nm = hw_to_ccu_nm(hw);
+
+ return ccu_gate_helper_is_enabled(&nm->common, nm->enable);
+}
+
+static unsigned long ccu_nm_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ccu_nm *nm = hw_to_ccu_nm(hw);
+ unsigned long n, m;
+ u32 reg;
+
+ if (ccu_frac_helper_is_enabled(&nm->common, &nm->frac))
+ return ccu_frac_helper_read_rate(&nm->common, &nm->frac);
+
+ reg = readl(nm->common.base + nm->common.reg);
+
+ n = reg >> nm->n.shift;
+ n &= (1 << nm->n.width) - 1;
+
+ m = reg >> nm->m.shift;
+ m &= (1 << nm->m.width) - 1;
+
+ return parent_rate * (n + 1) / (m + 1);
+}
+
+static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct ccu_nm *nm = hw_to_ccu_nm(hw);
+ unsigned long n, m;
+
+ rational_best_approximation(rate, *parent_rate,
+ 1 << nm->n.width, 1 << nm->m.width,
+ &n, &m);
+
+ return *parent_rate * n / m;
+}
+
+static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ccu_nm *nm = hw_to_ccu_nm(hw);
+ unsigned long flags;
+ unsigned long n, m;
+ u32 reg;
+
+ if (ccu_frac_helper_has_rate(&nm->common, &nm->frac, rate))
+ return ccu_frac_helper_set_rate(&nm->common, &nm->frac, rate);
+ else
+ ccu_frac_helper_disable(&nm->common, &nm->frac);
+
+ rational_best_approximation(rate, parent_rate,
+ 1 << nm->n.width, 1 << nm->m.width,
+ &n, &m);
+
+ spin_lock_irqsave(nm->common.lock, flags);
+
+ reg = readl(nm->common.base + nm->common.reg);
+ reg &= ~GENMASK(nm->n.width + nm->n.shift - 1, nm->n.shift);
+ reg &= ~GENMASK(nm->m.width + nm->m.shift - 1, nm->m.shift);
+
+ writel(reg | ((m - 1) << nm->m.shift) | ((n - 1) << nm->n.shift),
+ nm->common.base + nm->common.reg);
+
+ spin_unlock_irqrestore(nm->common.lock, flags);
+
+ ccu_helper_wait_for_lock(&nm->common, nm->lock);
+
+ return 0;
+}
+
+const struct clk_ops ccu_nm_ops = {
+ .disable = ccu_nm_disable,
+ .enable = ccu_nm_enable,
+ .is_enabled = ccu_nm_is_enabled,
+
+ .recalc_rate = ccu_nm_recalc_rate,
+ .round_rate = ccu_nm_round_rate,
+ .set_rate = ccu_nm_set_rate,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_nm.h b/drivers/clk/sunxi-ng/ccu_nm.h
new file mode 100644
index 000000000..0b7bcd33a
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_nm.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_NM_H_
+#define _CCU_NM_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_div.h"
+#include "ccu_frac.h"
+#include "ccu_mult.h"
+
+/*
+ * struct ccu_nm - Definition of an N-M clock
+ *
+ * Clocks based on the formula parent * N / M
+ */
+struct ccu_nm {
+ u32 enable;
+ u32 lock;
+
+ struct _ccu_mult n;
+ struct _ccu_div m;
+ struct _ccu_frac frac;
+
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(_struct, _name, _parent, _reg, \
+ _nshift, _nwidth, \
+ _mshift, _mwidth, \
+ _frac_en, _frac_sel, \
+ _frac_rate_0, _frac_rate_1, \
+ _gate, _lock, _flags) \
+ struct ccu_nm _struct = { \
+ .enable = _gate, \
+ .lock = _lock, \
+ .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
+ .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \
+ _frac_rate_0, \
+ _frac_rate_1), \
+ .common = { \
+ .reg = _reg, \
+ .features = CCU_FEATURE_FRACTIONAL, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_nm_ops, \
+ _flags), \
+ }, \
+ }
+
+#define SUNXI_CCU_NM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
+ _nshift, _nwidth, \
+ _mshift, _mwidth, \
+ _gate, _lock, _flags) \
+ struct ccu_nm _struct = { \
+ .enable = _gate, \
+ .lock = _lock, \
+ .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
+ .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_nm_ops, \
+ _flags), \
+ }, \
+ }
+
+static inline struct ccu_nm *hw_to_ccu_nm(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_nm, common);
+}
+
+extern const struct clk_ops ccu_nm_ops;
+
+#endif /* _CCU_NM_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_phase.c b/drivers/clk/sunxi-ng/ccu_phase.c
new file mode 100644
index 000000000..400c58ad7
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_phase.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/spinlock.h>
+
+#include "ccu_phase.h"
+
+static int ccu_phase_get_phase(struct clk_hw *hw)
+{
+ struct ccu_phase *phase = hw_to_ccu_phase(hw);
+ struct clk_hw *parent, *grandparent;
+ unsigned int parent_rate, grandparent_rate;
+ u16 step, parent_div;
+ u32 reg;
+ u8 delay;
+
+ reg = readl(phase->common.base + phase->common.reg);
+ delay = (reg >> phase->shift);
+ delay &= (1 << phase->width) - 1;
+
+ if (!delay)
+ return 180;
+
+ /* Get our parent clock, it's the one that can adjust its rate */
+ parent = clk_hw_get_parent(hw);
+ if (!parent)
+ return -EINVAL;
+
+ /* And its rate */
+ parent_rate = clk_hw_get_rate(parent);
+ if (!parent_rate)
+ return -EINVAL;
+
+ /* Now, get our parent's parent (most likely some PLL) */
+ grandparent = clk_hw_get_parent(parent);
+ if (!grandparent)
+ return -EINVAL;
+
+ /* And its rate */
+ grandparent_rate = clk_hw_get_rate(grandparent);
+ if (!grandparent_rate)
+ return -EINVAL;
+
+ /* Get our parent clock divider */
+ parent_div = grandparent_rate / parent_rate;
+
+ step = DIV_ROUND_CLOSEST(360, parent_div);
+ return delay * step;
+}
+
+static int ccu_phase_set_phase(struct clk_hw *hw, int degrees)
+{
+ struct ccu_phase *phase = hw_to_ccu_phase(hw);
+ struct clk_hw *parent, *grandparent;
+ unsigned int parent_rate, grandparent_rate;
+ unsigned long flags;
+ u32 reg;
+ u8 delay;
+
+ /* Get our parent clock, it's the one that can adjust its rate */
+ parent = clk_hw_get_parent(hw);
+ if (!parent)
+ return -EINVAL;
+
+ /* And its rate */
+ parent_rate = clk_hw_get_rate(parent);
+ if (!parent_rate)
+ return -EINVAL;
+
+ /* Now, get our parent's parent (most likely some PLL) */
+ grandparent = clk_hw_get_parent(parent);
+ if (!grandparent)
+ return -EINVAL;
+
+ /* And its rate */
+ grandparent_rate = clk_hw_get_rate(grandparent);
+ if (!grandparent_rate)
+ return -EINVAL;
+
+ if (degrees != 180) {
+ u16 step, parent_div;
+
+ /* Get our parent divider */
+ parent_div = grandparent_rate / parent_rate;
+
+ /*
+ * We can only outphase the clocks by multiple of the
+ * PLL's period.
+ *
+ * Since our parent clock is only a divider, and the
+ * formula to get the outphasing in degrees is deg =
+ * 360 * delta / period
+ *
+ * If we simplify this formula, we can see that the
+ * only thing that we're concerned about is the number
+ * of period we want to outphase our clock from, and
+ * the divider set by our parent clock.
+ */
+ step = DIV_ROUND_CLOSEST(360, parent_div);
+ delay = DIV_ROUND_CLOSEST(degrees, step);
+ } else {
+ delay = 0;
+ }
+
+ spin_lock_irqsave(phase->common.lock, flags);
+ reg = readl(phase->common.base + phase->common.reg);
+ reg &= ~GENMASK(phase->width + phase->shift - 1, phase->shift);
+ writel(reg | (delay << phase->shift),
+ phase->common.base + phase->common.reg);
+ spin_unlock_irqrestore(phase->common.lock, flags);
+
+ return 0;
+}
+
+const struct clk_ops ccu_phase_ops = {
+ .get_phase = ccu_phase_get_phase,
+ .set_phase = ccu_phase_set_phase,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_phase.h b/drivers/clk/sunxi-ng/ccu_phase.h
new file mode 100644
index 000000000..75a091a4c
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_phase.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_PHASE_H_
+#define _CCU_PHASE_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct ccu_phase {
+ u8 shift;
+ u8 width;
+
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_PHASE(_struct, _name, _parent, _reg, _shift, _width, _flags) \
+ struct ccu_phase _struct = { \
+ .shift = _shift, \
+ .width = _width, \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_phase_ops, \
+ _flags), \
+ } \
+ }
+
+static inline struct ccu_phase *hw_to_ccu_phase(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_phase, common);
+}
+
+extern const struct clk_ops ccu_phase_ops;
+
+#endif /* _CCU_PHASE_H_ */
diff --git a/drivers/clk/sunxi-ng/ccu_reset.c b/drivers/clk/sunxi-ng/ccu_reset.c
new file mode 100644
index 000000000..6c31d4878
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_reset.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/io.h>
+#include <linux/reset-controller.h>
+
+#include "ccu_reset.h"
+
+static int ccu_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct ccu_reset *ccu = rcdev_to_ccu_reset(rcdev);
+ const struct ccu_reset_map *map = &ccu->reset_map[id];
+ unsigned long flags;
+ u32 reg;
+
+ spin_lock_irqsave(ccu->lock, flags);
+
+ reg = readl(ccu->base + map->reg);
+ writel(reg & ~map->bit, ccu->base + map->reg);
+
+ spin_unlock_irqrestore(ccu->lock, flags);
+
+ return 0;
+}
+
+static int ccu_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct ccu_reset *ccu = rcdev_to_ccu_reset(rcdev);
+ const struct ccu_reset_map *map = &ccu->reset_map[id];
+ unsigned long flags;
+ u32 reg;
+
+ spin_lock_irqsave(ccu->lock, flags);
+
+ reg = readl(ccu->base + map->reg);
+ writel(reg | map->bit, ccu->base + map->reg);
+
+ spin_unlock_irqrestore(ccu->lock, flags);
+
+ return 0;
+}
+
+const struct reset_control_ops ccu_reset_ops = {
+ .assert = ccu_reset_assert,
+ .deassert = ccu_reset_deassert,
+};
diff --git a/drivers/clk/sunxi-ng/ccu_reset.h b/drivers/clk/sunxi-ng/ccu_reset.h
new file mode 100644
index 000000000..36a467921
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_reset.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_RESET_H_
+#define _CCU_RESET_H_
+
+#include <linux/reset-controller.h>
+
+struct ccu_reset_map {
+ u16 reg;
+ u32 bit;
+};
+
+
+struct ccu_reset {
+ void __iomem *base;
+ struct ccu_reset_map *reset_map;
+ spinlock_t *lock;
+
+ struct reset_controller_dev rcdev;
+};
+
+static inline struct ccu_reset *rcdev_to_ccu_reset(struct reset_controller_dev *rcdev)
+{
+ return container_of(rcdev, struct ccu_reset, rcdev);
+}
+
+extern const struct reset_control_ops ccu_reset_ops;
+
+#endif /* _CCU_RESET_H_ */