clk: imx: import clk heplers

Import some clk helpers from Linux Kernel for i.MX8MM usage

Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index e6d51830e88044197aa5d164b8fbccd0021f982b..1d480d8722b623ef760349e6b9ab4b1958e68b09 100644 (file)
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -36,6 +36,23 @@ 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)
 {
@@ -50,6 +67,14 @@ 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);
 
@@ -57,6 +82,16 @@ 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)
@@ -66,4 +101,50 @@ 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 */