Import some clk helpers from Linux Kernel for i.MX8MM usage
Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/clk/imx/clk.h | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+)
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 864a215a22..aa6e81ff13 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -42,6 +42,23 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent, shift, 0x3, 0); }
+static inline struct clk *imx_clk_gate4(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_register_gate2(NULL, name, parent, + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, + reg, shift, 0x3, 0); +} + +static inline struct clk *imx_clk_gate4_flags(const char *name, + const char *parent, void __iomem *reg, u8 shift, + unsigned long flags) +{ + return clk_register_gate2(NULL, name, parent, + flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, + reg, shift, 0x3, 0); +} + static inline struct clk *imx_clk_fixed_factor(const char *name, const char *parent, unsigned int mult, unsigned int div) { @@ -56,6 +73,14 @@ static inline struct clk *imx_clk_divider(const char *name, const char *parent, reg, shift, width, 0); }
+static inline struct clk *imx_clk_divider2(const char *name, const char *parent, + void __iomem *reg, u8 shift, u8 width) +{ + return clk_register_divider(NULL, name, parent, + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, + reg, shift, width, 0); +} + struct clk *imx_clk_pfd(const char *name, const char *parent_name, void __iomem *reg, u8 idx);
@@ -63,6 +88,16 @@ struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char * const *parents, int num_parents, void (*fixup)(u32 *val));
+static inline struct clk *imx_clk_mux_flags(const char *name, + void __iomem *reg, u8 shift, u8 width, + const char * const *parents, int num_parents, + unsigned long flags) +{ + return clk_register_mux(NULL, name, parents, num_parents, + flags | CLK_SET_RATE_NO_REPARENT, reg, shift, + width, 0); +} + static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char * const *parents, int num_parents) @@ -72,4 +107,50 @@ static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, width, 0); }
+static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg, + u8 shift, u8 width, const char * const *parents, + int num_parents) +{ + return clk_register_mux(NULL, name, parents, num_parents, + CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE, + reg, shift, width, 0); +} + +static inline struct clk *imx_clk_gate(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg, + shift, 0, NULL); +} + +static inline struct clk *imx_clk_gate_flags(const char *name, const char *parent, + void __iomem *reg, u8 shift, unsigned long flags) +{ + return clk_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg, + shift, 0, NULL); +} + +static inline struct clk *imx_clk_gate3(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_register_gate(NULL, name, parent, + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, + reg, shift, 0, NULL); +} + +struct clk *imx8m_clk_composite_flags(const char *name, + const char * const *parent_names, + int num_parents, void __iomem *reg, unsigned long flags); + +#define __imx8m_clk_composite(name, parent_names, reg, flags) \ + imx8m_clk_composite_flags(name, parent_names, \ + ARRAY_SIZE(parent_names), reg, \ + flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE) + +#define imx8m_clk_composite(name, parent_names, reg) \ + __imx8m_clk_composite(name, parent_names, reg, 0) + +#define imx8m_clk_composite_critical(name, parent_names, reg) \ + __imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL) + #endif /* __MACH_IMX_CLK_H */