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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/clk/ti/clock.h
Initial import
Diffstat (limited to 'drivers/clk/ti/clock.h')
-rw-r--r--drivers/clk/ti/clock.h172
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h
new file mode 100644
index 000000000..404158d2d
--- /dev/null
+++ b/drivers/clk/ti/clock.h
@@ -0,0 +1,172 @@
+/*
+ * TI Clock driver internal definitions
+ *
+ * Copyright (C) 2014 Texas Instruments, Inc
+ * Tero Kristo (t-kristo@ti.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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __DRIVERS_CLK_TI_CLOCK__
+#define __DRIVERS_CLK_TI_CLOCK__
+
+enum {
+ TI_CLK_FIXED,
+ TI_CLK_MUX,
+ TI_CLK_DIVIDER,
+ TI_CLK_COMPOSITE,
+ TI_CLK_FIXED_FACTOR,
+ TI_CLK_GATE,
+ TI_CLK_DPLL,
+};
+
+/* Global flags */
+#define CLKF_INDEX_POWER_OF_TWO (1 << 0)
+#define CLKF_INDEX_STARTS_AT_ONE (1 << 1)
+#define CLKF_SET_RATE_PARENT (1 << 2)
+#define CLKF_OMAP3 (1 << 3)
+#define CLKF_AM35XX (1 << 4)
+
+/* Gate flags */
+#define CLKF_SET_BIT_TO_DISABLE (1 << 5)
+#define CLKF_INTERFACE (1 << 6)
+#define CLKF_SSI (1 << 7)
+#define CLKF_DSS (1 << 8)
+#define CLKF_HSOTGUSB (1 << 9)
+#define CLKF_WAIT (1 << 10)
+#define CLKF_NO_WAIT (1 << 11)
+#define CLKF_HSDIV (1 << 12)
+#define CLKF_CLKDM (1 << 13)
+
+/* DPLL flags */
+#define CLKF_LOW_POWER_STOP (1 << 5)
+#define CLKF_LOCK (1 << 6)
+#define CLKF_LOW_POWER_BYPASS (1 << 7)
+#define CLKF_PER (1 << 8)
+#define CLKF_CORE (1 << 9)
+#define CLKF_J_TYPE (1 << 10)
+
+#define CLK(dev, con, ck) \
+ { \
+ .lk = { \
+ .dev_id = dev, \
+ .con_id = con, \
+ }, \
+ .clk = ck, \
+ }
+
+struct ti_clk {
+ const char *name;
+ const char *clkdm_name;
+ int type;
+ void *data;
+ struct ti_clk *patch;
+ struct clk *clk;
+};
+
+struct ti_clk_alias {
+ struct ti_clk *clk;
+ struct clk_lookup lk;
+ struct list_head link;
+};
+
+struct ti_clk_fixed {
+ u32 frequency;
+ u16 flags;
+};
+
+struct ti_clk_mux {
+ u8 bit_shift;
+ int num_parents;
+ u16 reg;
+ u8 module;
+ const char **parents;
+ u16 flags;
+};
+
+struct ti_clk_divider {
+ const char *parent;
+ u8 bit_shift;
+ u16 max_div;
+ u16 reg;
+ u8 module;
+ int *dividers;
+ int num_dividers;
+ u16 flags;
+};
+
+struct ti_clk_fixed_factor {
+ const char *parent;
+ u16 div;
+ u16 mult;
+ u16 flags;
+};
+
+struct ti_clk_gate {
+ const char *parent;
+ u8 bit_shift;
+ u16 reg;
+ u8 module;
+ u16 flags;
+};
+
+struct ti_clk_composite {
+ struct ti_clk_divider *divider;
+ struct ti_clk_mux *mux;
+ struct ti_clk_gate *gate;
+ u16 flags;
+};
+
+struct ti_clk_clkdm_gate {
+ const char *parent;
+ u16 flags;
+};
+
+struct ti_clk_dpll {
+ int num_parents;
+ u16 control_reg;
+ u16 idlest_reg;
+ u16 autoidle_reg;
+ u16 mult_div1_reg;
+ u8 module;
+ const char **parents;
+ u16 flags;
+ u8 modes;
+ u32 mult_mask;
+ u32 div1_mask;
+ u32 enable_mask;
+ u32 autoidle_mask;
+ u32 freqsel_mask;
+ u32 idlest_mask;
+ u32 dco_mask;
+ u32 sddiv_mask;
+ u16 max_multiplier;
+ u16 max_divider;
+ u8 min_divider;
+ u8 auto_recal_bit;
+ u8 recal_en_bit;
+ u8 recal_st_bit;
+};
+
+struct clk *ti_clk_register_gate(struct ti_clk *setup);
+struct clk *ti_clk_register_interface(struct ti_clk *setup);
+struct clk *ti_clk_register_mux(struct ti_clk *setup);
+struct clk *ti_clk_register_divider(struct ti_clk *setup);
+struct clk *ti_clk_register_composite(struct ti_clk *setup);
+struct clk *ti_clk_register_dpll(struct ti_clk *setup);
+
+struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup);
+struct clk_hw *ti_clk_build_component_gate(struct ti_clk_gate *setup);
+struct clk_hw *ti_clk_build_component_mux(struct ti_clk_mux *setup);
+
+void ti_clk_patch_legacy_clks(struct ti_clk **patch);
+struct clk *ti_clk_register_clk(struct ti_clk *setup);
+int ti_clk_register_legacy_clks(struct ti_clk_alias *clks);
+
+#endif