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Diffstat (limited to 'include/linux/clk-provider.h')
-rw-r--r--include/linux/clk-provider.h43
1 files changed, 42 insertions, 1 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 7c925e6211f1..f711be6e8c44 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -20,6 +20,8 @@
* flags used across common struct clk. these flags should only affect the
* top-level framework. custom flags for dealing with hardware specifics
* belong in struct clk_foo
+ *
+ * Please update clk_flags[] in drivers/clk/clk.c when making changes here!
*/
#define CLK_SET_RATE_GATE BIT(0) /* must be gated across rate change */
#define CLK_SET_PARENT_GATE BIT(1) /* must be gated across re-parent */
@@ -412,7 +414,7 @@ extern const struct clk_ops clk_divider_ro_ops;
unsigned long divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate,
unsigned int val, const struct clk_div_table *table,
- unsigned long flags);
+ unsigned long flags, unsigned long width);
long divider_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent,
unsigned long rate, unsigned long *prate,
const struct clk_div_table *table,
@@ -744,6 +746,7 @@ unsigned long clk_hw_get_rate(const struct clk_hw *hw);
unsigned long __clk_get_flags(struct clk *clk);
unsigned long clk_hw_get_flags(const struct clk_hw *hw);
bool clk_hw_is_prepared(const struct clk_hw *hw);
+bool clk_hw_rate_is_protected(const struct clk_hw *hw);
bool clk_hw_is_enabled(const struct clk_hw *hw);
bool __clk_is_enabled(struct clk *clk);
struct clk *__clk_lookup(const char *name);
@@ -806,6 +809,44 @@ extern struct of_device_id __clk_of_table;
} \
OF_DECLARE_1(clk, name, compat, name##_of_clk_init_driver)
+#define CLK_HW_INIT(_name, _parent, _ops, _flags) \
+ (&(struct clk_init_data) { \
+ .flags = _flags, \
+ .name = _name, \
+ .parent_names = (const char *[]) { _parent }, \
+ .num_parents = 1, \
+ .ops = _ops, \
+ })
+
+#define CLK_HW_INIT_PARENTS(_name, _parents, _ops, _flags) \
+ (&(struct clk_init_data) { \
+ .flags = _flags, \
+ .name = _name, \
+ .parent_names = _parents, \
+ .num_parents = ARRAY_SIZE(_parents), \
+ .ops = _ops, \
+ })
+
+#define CLK_HW_INIT_NO_PARENT(_name, _ops, _flags) \
+ (&(struct clk_init_data) { \
+ .flags = _flags, \
+ .name = _name, \
+ .parent_names = NULL, \
+ .num_parents = 0, \
+ .ops = _ops, \
+ })
+
+#define CLK_FIXED_FACTOR(_struct, _name, _parent, \
+ _div, _mult, _flags) \
+ struct clk_fixed_factor _struct = { \
+ .div = _div, \
+ .mult = _mult, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &clk_fixed_factor_ops, \
+ _flags), \
+ }
+
#ifdef CONFIG_OF
int of_clk_add_provider(struct device_node *np,
struct clk *(*clk_src_get)(struct of_phandle_args *args,