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-rw-r--r--include/linux/clk-provider.h30
1 files changed, 23 insertions, 7 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 1143e38555a4..da95258127aa 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -25,7 +25,7 @@
#define CLK_SET_PARENT_GATE BIT(1) /* must be gated across re-parent */
#define CLK_SET_RATE_PARENT BIT(2) /* propagate rate change up one level */
#define CLK_IGNORE_UNUSED BIT(3) /* do not gate even if unused */
-#define CLK_IS_ROOT BIT(4) /* root clk, has no parent */
+#define CLK_IS_ROOT BIT(4) /* Deprecated: Don't use */
#define CLK_IS_BASIC BIT(5) /* Basic clk, can't do a to_clk_foo() */
#define CLK_GET_RATE_NOCACHE BIT(6) /* do not use the cached clk rate */
#define CLK_SET_RATE_NO_REPARENT BIT(7) /* don't re-parent on rate change */
@@ -276,6 +276,8 @@ struct clk_fixed_rate {
u8 flags;
};
+#define to_clk_fixed_rate(_hw) container_of(_hw, struct clk_fixed_rate, hw)
+
extern const struct clk_ops clk_fixed_rate_ops;
struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
@@ -283,7 +285,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
unsigned long fixed_rate, unsigned long fixed_accuracy);
-
+void clk_unregister_fixed_rate(struct clk *clk);
void of_fixed_clk_setup(struct device_node *np);
/**
@@ -314,6 +316,8 @@ struct clk_gate {
spinlock_t *lock;
};
+#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
+
#define CLK_GATE_SET_TO_DISABLE BIT(0)
#define CLK_GATE_HIWORD_MASK BIT(1)
@@ -376,6 +380,8 @@ struct clk_divider {
spinlock_t *lock;
};
+#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
+
#define CLK_DIVIDER_ONE_BASED BIT(0)
#define CLK_DIVIDER_POWER_OF_TWO BIT(1)
#define CLK_DIVIDER_ALLOW_ZERO BIT(2)
@@ -385,6 +391,7 @@ struct clk_divider {
#define CLK_DIVIDER_MAX_AT_ZERO BIT(6)
extern const struct clk_ops clk_divider_ops;
+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,
@@ -440,6 +447,8 @@ struct clk_mux {
spinlock_t *lock;
};
+#define to_clk_mux(_hw) container_of(_hw, struct clk_mux, hw)
+
#define CLK_MUX_INDEX_ONE BIT(0)
#define CLK_MUX_INDEX_BIT BIT(1)
#define CLK_MUX_HIWORD_MASK BIT(2)
@@ -483,10 +492,13 @@ struct clk_fixed_factor {
unsigned int div;
};
+#define to_clk_fixed_factor(_hw) container_of(_hw, struct clk_fixed_factor, hw)
+
extern const struct clk_ops clk_fixed_factor_ops;
struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
unsigned int mult, unsigned int div);
+void clk_unregister_fixed_factor(struct clk *clk);
/**
* struct clk_fractional_divider - adjustable fractional divider clock
@@ -514,6 +526,8 @@ struct clk_fractional_divider {
spinlock_t *lock;
};
+#define to_clk_fd(_hw) container_of(_hw, struct clk_fractional_divider, hw)
+
extern const struct clk_ops clk_fractional_divider_ops;
struct clk *clk_register_fractional_divider(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
@@ -550,6 +564,8 @@ struct clk_multiplier {
spinlock_t *lock;
};
+#define to_clk_multiplier(_hw) container_of(_hw, struct clk_multiplier, hw)
+
#define CLK_MULTIPLIER_ZERO_BYPASS BIT(0)
#define CLK_MULTIPLIER_ROUND_CLOSEST BIT(1)
@@ -579,6 +595,8 @@ struct clk_composite {
const struct clk_ops *gate_ops;
};
+#define to_clk_composite(_hw) container_of(_hw, struct clk_composite, hw)
+
struct clk *clk_register_composite(struct device *dev, const char *name,
const char * const *parent_names, int num_parents,
struct clk_hw *mux_hw, const struct clk_ops *mux_ops,
@@ -601,13 +619,13 @@ struct clk_gpio {
struct gpio_desc *gpiod;
};
+#define to_clk_gpio(_hw) container_of(_hw, struct clk_gpio, hw)
+
extern const struct clk_ops clk_gpio_gate_ops;
struct clk *clk_register_gpio_gate(struct device *dev, const char *name,
const char *parent_name, unsigned gpio, bool active_low,
unsigned long flags);
-void of_gpio_clk_gate_setup(struct device_node *node);
-
/**
* struct clk_gpio_mux - gpio controlled clock multiplexer
*
@@ -623,8 +641,6 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name,
const char * const *parent_names, u8 num_parents, unsigned gpio,
bool active_low, unsigned long flags);
-void of_gpio_mux_clk_setup(struct device_node *node);
-
/**
* clk_register - allocate a new clock, register it and return an opaque cookie
* @dev: device that is registering this clock
@@ -700,7 +716,7 @@ void of_clk_del_provider(struct device_node *np);
struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,
void *data);
struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);
-int of_clk_get_parent_count(struct device_node *np);
+unsigned int of_clk_get_parent_count(struct device_node *np);
int of_clk_parent_fill(struct device_node *np, const char **parents,
unsigned int size);
const char *of_clk_get_parent_name(struct device_node *np, int index);