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-rw-r--r--include/linux/clk-private.h20
-rw-r--r--include/linux/clk-provider.h12
2 files changed, 30 insertions, 2 deletions
diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
index eb3f84bc5325..cc9972d1429c 100644
--- a/include/linux/clk-private.h
+++ b/include/linux/clk-private.h
@@ -103,9 +103,9 @@ struct clk {
DEFINE_CLK(_name, clk_gate_ops, _flags, \
_name##_parent_names, _name##_parents);
-#define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
+#define _DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
_flags, _reg, _shift, _width, \
- _divider_flags, _lock) \
+ _divider_flags, _table, _lock) \
static struct clk _name; \
static const char *_name##_parent_names[] = { \
_parent_name, \
@@ -121,11 +121,27 @@ struct clk {
.shift = _shift, \
.width = _width, \
.flags = _divider_flags, \
+ .table = _table, \
.lock = _lock, \
}; \
DEFINE_CLK(_name, clk_divider_ops, _flags, \
_name##_parent_names, _name##_parents);
+#define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
+ _flags, _reg, _shift, _width, \
+ _divider_flags, _lock) \
+ _DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
+ _flags, _reg, _shift, _width, \
+ _divider_flags, NULL, _lock)
+
+#define DEFINE_CLK_DIVIDER_TABLE(_name, _parent_name, \
+ _parent_ptr, _flags, _reg, \
+ _shift, _width, _divider_flags, \
+ _table, _lock) \
+ _DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
+ _flags, _reg, _shift, _width, \
+ _divider_flags, _table, _lock) \
+
#define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags, \
_reg, _shift, _width, \
_mux_flags, _lock) \
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 4a0b483986c3..79caee9f1489 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -203,6 +203,11 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
void __iomem *reg, u8 bit_idx,
u8 clk_gate_flags, spinlock_t *lock);
+struct clk_div_table {
+ unsigned int val;
+ unsigned int div;
+};
+
/**
* struct clk_divider - adjustable divider clock
*
@@ -210,6 +215,7 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
* @reg: register containing the divider
* @shift: shift to the divider bit field
* @width: width of the divider bit field
+ * @table: array of value/divider pairs, last entry should have div = 0
* @lock: register lock
*
* Clock with an adjustable divider affecting its output frequency. Implements
@@ -229,6 +235,7 @@ struct clk_divider {
u8 shift;
u8 width;
u8 flags;
+ const struct clk_div_table *table;
spinlock_t *lock;
};
@@ -240,6 +247,11 @@ struct clk *clk_register_divider(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
void __iomem *reg, u8 shift, u8 width,
u8 clk_divider_flags, spinlock_t *lock);
+struct clk *clk_register_divider_table(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 shift, u8 width,
+ u8 clk_divider_flags, const struct clk_div_table *table,
+ spinlock_t *lock);
/**
* struct clk_mux - multiplexer clock