clk: divider: Add onebased divider support

In some dividers the register value matches the divider value. This
patch adds support for them.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/clk.h b/include/linux/clk.h
index 37a4813ba5..9c41cb8994 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -188,8 +188,23 @@ struct clk_div_table {
 };
 
 struct clk *clk_fixed(const char *name, int rate);
+
+struct clk_divider {
+	struct clk clk;
+	u8 shift;
+	u8 width;
+	void __iomem *reg;
+	const char *parent;
+#define CLK_DIVIDER_ONE_BASED	(1 << 0)
+	unsigned flags;
+};
+
+extern struct clk_ops clk_divider_ops;
+
 struct clk *clk_divider(const char *name, const char *parent,
 		void __iomem *reg, u8 shift, u8 width);
+struct clk *clk_divider_one_based(const char *name, const char *parent,
+		void __iomem *reg, u8 shift, u8 width);
 struct clk *clk_divider_table(const char *name,
 		const char *parent, void __iomem *reg, u8 shift, u8 width,
 		const struct clk_div_table *table);