Initial import

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