Expose a new function clk_register_divider_mask to set up a mask based
divider. This will be used by the upcoming TZ1090 divider driver whose
DT binding takes a mask rather than a shift and width.
Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx>
Cc: Mike Turquette <mturquette@xxxxxxxxxx>
---
drivers/clk/clk-divider.c | 25 +++++++++++++++++++++++++
include/linux/clk-provider.h | 5 +++++
2 files changed, 30 insertions(+)
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index a432cf8..23ef3df 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -462,3 +462,28 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name,
((1 << width) - 1), clk_divider_flags, table, lock);
}
EXPORT_SYMBOL_GPL(clk_register_divider_table);
+
+/**
+ * clk_register_divider_mask - register a mask based divider clock with
+ * the clock framework
+ * @dev: device registering this clock
+ * @name: name of this clock
+ * @parent_name: name of clock's parent
+ * @flags: framework-specific flags
+ * @reg: register address to adjust divider
+ * @mask: mask of bitfield
+ * @width: width of the bitfield
+ * @clk_divider_flags: divider-specific flags for this clock
+ * @table: array of divider/value pairs ending with a div set to 0
+ * @lock: shared register lock for this clock
+ */
+struct clk *clk_register_divider_mask(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 shift, u32 mask,
+ u8 clk_divider_flags, const struct clk_div_table *table,
+ spinlock_t *lock)
+{
+ return _register_divider(dev, name, parent_name, flags, reg, shift,
+ mask, clk_divider_flags, table, lock);
+}
+EXPORT_SYMBOL_GPL(clk_register_divider_mask);
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 2c00215..85048fb 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -361,6 +361,11 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name,
void __iomem *reg, u8 shift, u8 width,
u8 clk_divider_flags, const struct clk_div_table *table,
spinlock_t *lock);
+struct clk *clk_register_divider_mask(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 shift, u32 mask,
+ u8 clk_divider_flags, const struct clk_div_table *table,
+ spinlock_t *lock);
/**
* struct clk_mux - multiplexer clock
--
2.0.4
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