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authorAndrey Smirnov <andrew.smirnov@gmail.com>2016-11-09 08:13:58 -0800
committerSascha Hauer <s.hauer@pengutronix.de>2017-01-11 08:07:00 +0100
commite187942b9a8552b1ada3475af42aabe2f4335a62 (patch)
tree5617240564774757e6ab31e609e8eb72dd634552 /drivers/clk/imx/clk.h
parent10a7436e511264720c4c5b3ec97f6dae25b0c3cb (diff)
downloadbarebox-e187942b9a8552b1ada3475af42aabe2f4335a62.tar.gz
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i.MX: Move clk code from 'mach-imx' to 'drivers'
Move clk code from 'mach-imx' to 'drivers' to keep the code tree structure closer to that of analogous one from Linux kernel and, arguably although subjective, to keep 'mach-imx' less cluttered. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/clk/imx/clk.h')
-rw-r--r--drivers/clk/imx/clk.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
new file mode 100644
index 000000000..c5913e187
--- /dev/null
+++ b/drivers/clk/imx/clk.h
@@ -0,0 +1,104 @@
+#ifndef __IMX_CLK_H
+#define __IMX_CLK_H
+
+struct clk *clk_gate2(const char *name, const char *parent, void __iomem *reg,
+ u8 shift);
+
+static inline struct clk *imx_clk_divider(const char *name, const char *parent,
+ void __iomem *reg, u8 shift, u8 width)
+{
+ return clk_divider(name, parent, reg, shift, width, CLK_SET_RATE_PARENT);
+}
+
+static inline struct clk *imx_clk_divider_np(const char *name, const char *parent,
+ void __iomem *reg, u8 shift, u8 width)
+{
+ return clk_divider(name, parent, reg, shift, width, 0);
+}
+
+static inline struct clk *imx_clk_divider_table(const char *name,
+ const char *parent, void __iomem *reg, u8 shift, u8 width,
+ const struct clk_div_table *table)
+{
+ return clk_divider_table(name, parent, reg, shift, width, table,
+ CLK_SET_RATE_PARENT);
+}
+
+static inline struct clk *imx_clk_fixed_factor(const char *name,
+ const char *parent, unsigned int mult, unsigned int div)
+{
+ return clk_fixed_factor(name, parent, mult, div, CLK_SET_RATE_PARENT);
+}
+
+static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
+ u8 shift, u8 width, const char **parents, u8 num_parents)
+{
+ return clk_mux(name, reg, shift, width, parents, num_parents, 0);
+}
+
+static inline struct clk *imx_clk_mux_p(const char *name, void __iomem *reg,
+ u8 shift, u8 width, const char **parents, u8 num_parents)
+{
+ return clk_mux(name, reg, shift, width, parents, num_parents, CLK_SET_RATE_PARENT);
+}
+
+static inline struct clk *imx_clk_gate(const char *name, const char *parent,
+ void __iomem *reg, u8 shift)
+{
+ return clk_gate(name, parent, reg, shift, CLK_SET_RATE_PARENT, 0);
+}
+
+static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
+ void __iomem *reg, u8 shift)
+{
+ return clk_gate2(name, parent, reg, shift);
+}
+
+struct clk *imx_clk_pllv1(const char *name, const char *parent,
+ void __iomem *base);
+
+struct clk *imx_clk_pllv2(const char *name, const char *parent,
+ void __iomem *base);
+
+enum imx_pllv3_type {
+ IMX_PLLV3_GENERIC,
+ IMX_PLLV3_SYS,
+ IMX_PLLV3_USB,
+ IMX_PLLV3_AV,
+ IMX_PLLV3_ENET,
+ IMX_PLLV3_MLB,
+};
+
+struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
+ const char *parent, void __iomem *base,
+ u32 div_mask);
+
+struct clk *imx_clk_pfd(const char *name, const char *parent,
+ void __iomem *reg, u8 idx);
+
+static inline struct clk *imx_clk_busy_divider(const char *name, const char *parent,
+ void __iomem *reg, u8 shift, u8 width,
+ void __iomem *busy_reg, u8 busy_shift)
+{
+ /*
+ * For now we do not support rate setting, so just fall back to
+ * regular divider.
+ */
+ return imx_clk_divider(name, parent, reg, shift, width);
+}
+
+static inline struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
+ u8 width, void __iomem *busy_reg, u8 busy_shift,
+ const char **parents, int num_parents)
+{
+ /*
+ * For now we do not support mux switching, so just fall back to
+ * regular mux.
+ */
+ return imx_clk_mux(name, reg, shift, width, parents, num_parents);
+}
+
+struct clk *imx_clk_gate_exclusive(const char *name, const char *parent,
+ void __iomem *reg, u8 shift, u32 exclusive_mask);
+
+#endif /* __IMX_CLK_H */