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path: root/drivers/clk/shmobile/r8a7795-cpg-mssr.c
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Diffstat (limited to 'drivers/clk/shmobile/r8a7795-cpg-mssr.c')
-rw-r--r--drivers/clk/shmobile/r8a7795-cpg-mssr.c383
1 files changed, 0 insertions, 383 deletions
diff --git a/drivers/clk/shmobile/r8a7795-cpg-mssr.c b/drivers/clk/shmobile/r8a7795-cpg-mssr.c
deleted file mode 100644
index 13e994772..000000000
--- a/drivers/clk/shmobile/r8a7795-cpg-mssr.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * r8a7795 Clock Pulse Generator / Module Standby and Software Reset
- *
- * Copyright (C) 2015 Glider bvba
- *
- * Based on clk-rcar-gen3.c
- *
- * Copyright (C) 2015 Renesas Electronics Corp.
- *
- * 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; version 2 of the License.
- */
-
-#include <linux/bug.h>
-#include <linux/clk-provider.h>
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/of.h>
-
-#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
-
-#include "renesas-cpg-mssr.h"
-
-
-enum clk_ids {
- /* Core Clock Outputs exported to DT */
- LAST_DT_CORE_CLK = R8A7795_CLK_OSC,
-
- /* External Input Clocks */
- CLK_EXTAL,
- CLK_EXTALR,
-
- /* Internal Core Clocks */
- CLK_MAIN,
- CLK_PLL0,
- CLK_PLL1,
- CLK_PLL2,
- CLK_PLL3,
- CLK_PLL4,
- CLK_PLL1_DIV2,
- CLK_PLL1_DIV4,
- CLK_S0,
- CLK_S1,
- CLK_S2,
- CLK_S3,
- CLK_SDSRC,
- CLK_SSPSRC,
-
- /* Module Clocks */
- MOD_CLK_BASE
-};
-
-enum r8a7795_clk_types {
- CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
- CLK_TYPE_GEN3_PLL0,
- CLK_TYPE_GEN3_PLL1,
- CLK_TYPE_GEN3_PLL2,
- CLK_TYPE_GEN3_PLL3,
- CLK_TYPE_GEN3_PLL4,
-};
-
-static const struct cpg_core_clk r8a7795_core_clks[] __initconst = {
- /* External Clock Inputs */
- DEF_INPUT("extal", CLK_EXTAL),
- DEF_INPUT("extalr", CLK_EXTALR),
-
- /* Internal Core Clocks */
- DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
- DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
- DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
- DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
- DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
- DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
-
- DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
- DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
- DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
- DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
- DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
- DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
-
- /* Core Clock Outputs */
- DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
- DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
- DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
- DEF_FIXED("zx", R8A7795_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
- DEF_FIXED("s0d1", R8A7795_CLK_S0D1, CLK_S0, 1, 1),
- DEF_FIXED("s0d4", R8A7795_CLK_S0D4, CLK_S0, 4, 1),
- DEF_FIXED("s1d1", R8A7795_CLK_S1D1, CLK_S1, 1, 1),
- DEF_FIXED("s1d2", R8A7795_CLK_S1D2, CLK_S1, 2, 1),
- DEF_FIXED("s1d4", R8A7795_CLK_S1D4, CLK_S1, 4, 1),
- DEF_FIXED("s2d1", R8A7795_CLK_S2D1, CLK_S2, 1, 1),
- DEF_FIXED("s2d2", R8A7795_CLK_S2D2, CLK_S2, 2, 1),
- DEF_FIXED("s2d4", R8A7795_CLK_S2D4, CLK_S2, 4, 1),
- DEF_FIXED("s3d1", R8A7795_CLK_S3D1, CLK_S3, 1, 1),
- DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1),
- DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1),
- DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1),
- DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1),
-
- DEF_DIV6P1("mso", R8A7795_CLK_MSO, CLK_PLL1_DIV4, 0x014),
- DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV2, 0x250),
-};
-
-static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = {
- DEF_MOD("scif5", 202, R8A7795_CLK_S3D4),
- DEF_MOD("scif4", 203, R8A7795_CLK_S3D4),
- DEF_MOD("scif3", 204, R8A7795_CLK_S3D4),
- DEF_MOD("scif1", 206, R8A7795_CLK_S3D4),
- DEF_MOD("scif0", 207, R8A7795_CLK_S3D4),
- DEF_MOD("msiof3", 208, R8A7795_CLK_MSO),
- DEF_MOD("msiof2", 209, R8A7795_CLK_MSO),
- DEF_MOD("msiof1", 210, R8A7795_CLK_MSO),
- DEF_MOD("msiof0", 211, R8A7795_CLK_MSO),
- DEF_MOD("sys-dmac2", 217, R8A7795_CLK_S3D1),
- DEF_MOD("sys-dmac1", 218, R8A7795_CLK_S3D1),
- DEF_MOD("sys-dmac0", 219, R8A7795_CLK_S3D1),
- DEF_MOD("scif2", 310, R8A7795_CLK_S3D4),
- DEF_MOD("pcie1", 318, R8A7795_CLK_S3D1),
- DEF_MOD("pcie0", 319, R8A7795_CLK_S3D1),
- DEF_MOD("intc-ap", 408, R8A7795_CLK_S3D1),
- DEF_MOD("audmac0", 502, R8A7795_CLK_S3D4),
- DEF_MOD("audmac1", 501, R8A7795_CLK_S3D4),
- DEF_MOD("hscif4", 516, R8A7795_CLK_S3D1),
- DEF_MOD("hscif3", 517, R8A7795_CLK_S3D1),
- DEF_MOD("hscif2", 518, R8A7795_CLK_S3D1),
- DEF_MOD("hscif1", 519, R8A7795_CLK_S3D1),
- DEF_MOD("hscif0", 520, R8A7795_CLK_S3D1),
- DEF_MOD("vspd3", 620, R8A7795_CLK_S2D1),
- DEF_MOD("vspd2", 621, R8A7795_CLK_S2D1),
- DEF_MOD("vspd1", 622, R8A7795_CLK_S2D1),
- DEF_MOD("vspd0", 623, R8A7795_CLK_S2D1),
- DEF_MOD("vspbc", 624, R8A7795_CLK_S2D1),
- DEF_MOD("vspbd", 626, R8A7795_CLK_S2D1),
- DEF_MOD("vspi2", 629, R8A7795_CLK_S2D1),
- DEF_MOD("vspi1", 630, R8A7795_CLK_S2D1),
- DEF_MOD("vspi0", 631, R8A7795_CLK_S2D1),
- DEF_MOD("ehci2", 701, R8A7795_CLK_S3D4),
- DEF_MOD("ehci1", 702, R8A7795_CLK_S3D4),
- DEF_MOD("ehci0", 703, R8A7795_CLK_S3D4),
- DEF_MOD("hsusb", 704, R8A7795_CLK_S3D4),
- DEF_MOD("du3", 721, R8A7795_CLK_S2D1),
- DEF_MOD("du2", 722, R8A7795_CLK_S2D1),
- DEF_MOD("du1", 723, R8A7795_CLK_S2D1),
- DEF_MOD("du0", 724, R8A7795_CLK_S2D1),
- DEF_MOD("hdmi1", 728, R8A7795_CLK_HDMI),
- DEF_MOD("hdmi0", 729, R8A7795_CLK_HDMI),
- DEF_MOD("etheravb", 812, R8A7795_CLK_S3D2),
- DEF_MOD("sata0", 815, R8A7795_CLK_S3D2),
- DEF_MOD("gpio7", 905, R8A7795_CLK_CP),
- DEF_MOD("gpio6", 906, R8A7795_CLK_CP),
- DEF_MOD("gpio5", 907, R8A7795_CLK_CP),
- DEF_MOD("gpio4", 908, R8A7795_CLK_CP),
- DEF_MOD("gpio3", 909, R8A7795_CLK_CP),
- DEF_MOD("gpio2", 910, R8A7795_CLK_CP),
- DEF_MOD("gpio1", 911, R8A7795_CLK_CP),
- DEF_MOD("gpio0", 912, R8A7795_CLK_CP),
- DEF_MOD("i2c6", 918, R8A7795_CLK_S3D2),
- DEF_MOD("i2c5", 919, R8A7795_CLK_S3D2),
- DEF_MOD("i2c4", 927, R8A7795_CLK_S3D2),
- DEF_MOD("i2c3", 928, R8A7795_CLK_S3D2),
- DEF_MOD("i2c2", 929, R8A7795_CLK_S3D2),
- DEF_MOD("i2c1", 930, R8A7795_CLK_S3D2),
- DEF_MOD("i2c0", 931, R8A7795_CLK_S3D2),
- DEF_MOD("ssi-all", 1005, R8A7795_CLK_S3D4),
- DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
- DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
- DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
- DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
- DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
- DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
- DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
- DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
- DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
- DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
- DEF_MOD("scu-all", 1017, R8A7795_CLK_S3D4),
- DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
- DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
- DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
- DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
- DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
-};
-
-static const unsigned int r8a7795_crit_mod_clks[] __initconst = {
- MOD_CLK_ID(408), /* INTC-AP (GIC) */
-};
-
-
-#define CPG_PLL0CR 0x00d8
-#define CPG_PLL2CR 0x002c
-#define CPG_PLL4CR 0x01f4
-
-/*
- * CPG Clock Data
- */
-
-/*
- * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4
- * 14 13 19 17 (MHz)
- *-------------------------------------------------------------------
- * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144
- * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144
- * 0 0 1 0 Prohibited setting
- * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144
- * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120
- * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120
- * 0 1 1 0 Prohibited setting
- * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120
- * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96
- * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96
- * 1 0 1 0 Prohibited setting
- * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96
- * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144
- * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144
- * 1 1 1 0 Prohibited setting
- * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144
- */
-#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \
- (((md) & BIT(13)) >> 11) | \
- (((md) & BIT(19)) >> 18) | \
- (((md) & BIT(17)) >> 17))
-
-struct cpg_pll_config {
- unsigned int extal_div;
- unsigned int pll1_mult;
- unsigned int pll3_mult;
-};
-
-static const struct cpg_pll_config cpg_pll_configs[16] __initconst = {
- /* EXTAL div PLL1 mult PLL3 mult */
- { 1, 192, 192, },
- { 1, 192, 128, },
- { 0, /* Prohibited setting */ },
- { 1, 192, 192, },
- { 1, 160, 160, },
- { 1, 160, 106, },
- { 0, /* Prohibited setting */ },
- { 1, 160, 160, },
- { 1, 128, 128, },
- { 1, 128, 84, },
- { 0, /* Prohibited setting */ },
- { 1, 128, 128, },
- { 2, 192, 192, },
- { 2, 192, 128, },
- { 0, /* Prohibited setting */ },
- { 2, 192, 192, },
-};
-
-static const struct cpg_pll_config *cpg_pll_config __initdata;
-
-static
-struct clk * __init r8a7795_cpg_clk_register(struct device *dev,
- const struct cpg_core_clk *core,
- const struct cpg_mssr_info *info,
- struct clk **clks,
- void __iomem *base)
-{
- const struct clk *parent;
- unsigned int mult = 1;
- unsigned int div = 1;
- u32 value;
-
- parent = clks[core->parent];
- if (IS_ERR(parent))
- return ERR_CAST(parent);
-
- switch (core->type) {
- case CLK_TYPE_GEN3_MAIN:
- div = cpg_pll_config->extal_div;
- break;
-
- case CLK_TYPE_GEN3_PLL0:
- /*
- * PLL0 is a configurable multiplier clock. Register it as a
- * fixed factor clock for now as there's no generic multiplier
- * clock implementation and we currently have no need to change
- * the multiplier value.
- */
- value = readl(base + CPG_PLL0CR);
- mult = (((value >> 24) & 0x7f) + 1) * 2;
- break;
-
- case CLK_TYPE_GEN3_PLL1:
- mult = cpg_pll_config->pll1_mult;
- break;
-
- case CLK_TYPE_GEN3_PLL2:
- /*
- * PLL2 is a configurable multiplier clock. Register it as a
- * fixed factor clock for now as there's no generic multiplier
- * clock implementation and we currently have no need to change
- * the multiplier value.
- */
- value = readl(base + CPG_PLL2CR);
- mult = (((value >> 24) & 0x7f) + 1) * 2;
- break;
-
- case CLK_TYPE_GEN3_PLL3:
- mult = cpg_pll_config->pll3_mult;
- break;
-
- case CLK_TYPE_GEN3_PLL4:
- /*
- * PLL4 is a configurable multiplier clock. Register it as a
- * fixed factor clock for now as there's no generic multiplier
- * clock implementation and we currently have no need to change
- * the multiplier value.
- */
- value = readl(base + CPG_PLL4CR);
- mult = (((value >> 24) & 0x7f) + 1) * 2;
- break;
-
- default:
- return ERR_PTR(-EINVAL);
- }
-
- return clk_register_fixed_factor(NULL, core->name,
- __clk_get_name(parent), 0, mult, div);
-}
-
-/*
- * Reset register definitions.
- */
-#define MODEMR 0xe6160060
-
-static u32 rcar_gen3_read_mode_pins(void)
-{
- void __iomem *modemr = ioremap_nocache(MODEMR, 4);
- u32 mode;
-
- BUG_ON(!modemr);
- mode = ioread32(modemr);
- iounmap(modemr);
-
- return mode;
-}
-
-static int __init r8a7795_cpg_mssr_init(struct device *dev)
-{
- u32 cpg_mode = rcar_gen3_read_mode_pins();
-
- cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
- if (!cpg_pll_config->extal_div) {
- dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode);
- return -EINVAL;
- }
-
- return 0;
-}
-
-const struct cpg_mssr_info r8a7795_cpg_mssr_info __initconst = {
- /* Core Clocks */
- .core_clks = r8a7795_core_clks,
- .num_core_clks = ARRAY_SIZE(r8a7795_core_clks),
- .last_dt_core_clk = LAST_DT_CORE_CLK,
- .num_total_core_clks = MOD_CLK_BASE,
-
- /* Module Clocks */
- .mod_clks = r8a7795_mod_clks,
- .num_mod_clks = ARRAY_SIZE(r8a7795_mod_clks),
- .num_hw_mod_clks = 12 * 32,
-
- /* Critical Module Clocks */
- .crit_mod_clks = r8a7795_crit_mod_clks,
- .num_crit_mod_clks = ARRAY_SIZE(r8a7795_crit_mod_clks),
-
- /* Callbacks */
- .init = r8a7795_cpg_mssr_init,
- .cpg_clk_register = r8a7795_cpg_clk_register,
-};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-08-21 14:43:51 +0000