[PATCH 2/4] clk: imx: add clk api for supporting clk_OPS_PARENT_ON clocks

From: Dong Aisheng
Date: Tue Jul 28 2015 - 10:43:24 EST


Some IMX SoC like i.MX7D requires using clk_OPS_PARENT_ON flags,
adding the corresponding clock APIs variants for easy use.

Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxxxxxxxx>
---
drivers/clk/imx/clk.h | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index cda8756..e579fc0 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -89,6 +89,14 @@ static inline struct clk *imx_clk_divider_flags(const char *name,
reg, shift, width, 0, &imx_ccm_lock);
}

+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_ON,
+ reg, shift, width, 0, &imx_ccm_lock);
+}
+
static inline struct clk *imx_clk_gate(const char *name, const char *parent,
void __iomem *reg, u8 shift)
{
@@ -118,6 +126,22 @@ static inline struct clk *imx_clk_gate2_shared(const char *name,
shift, 0, &imx_ccm_lock, share_count);
}

+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_ON,
+ reg, shift, 0, &imx_ccm_lock);
+}
+
+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_ON,
+ reg, shift, 0, &imx_ccm_lock, NULL);
+}
+
static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
u8 shift, u8 width, const char **parents, int num_parents)
{
@@ -126,6 +150,14 @@ static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
width, 0, &imx_ccm_lock);
}

+static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
+ u8 shift, u8 width, const char **parents, int num_parents)
+{
+ return clk_register_mux(NULL, name, parents, num_parents,
+ CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ON,
+ reg, shift, width, 0, &imx_ccm_lock);
+}
+
static inline struct clk *imx_clk_mux_flags(const char *name,
void __iomem *reg, u8 shift, u8 width, const char **parents,
int num_parents, unsigned long flags)
--
1.9.1

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