[U-Boot] [i.MX8MM+CCF 13/41] clk: imx: import clk heplers

Peng Fan
2019-04-30T10:18:15Z

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 */
--
2.16.4