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-rw-r--r--include/linux/clk-provider.h103
-rw-r--r--include/linux/clk/ti.h2
-rw-r--r--include/linux/clkdev.h7
3 files changed, 110 insertions, 2 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index da95258127aa..0c72204c75fc 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -32,6 +32,7 @@
#define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */
#define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */
#define CLK_SET_RATE_UNGATE BIT(10) /* clock needs to run to set rate */
+#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */
struct clk;
struct clk_hw;
@@ -282,10 +283,17 @@ 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,
unsigned long fixed_rate);
+struct clk_hw *clk_hw_register_fixed_rate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ unsigned long fixed_rate);
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);
+struct clk_hw *clk_hw_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 of_fixed_clk_setup(struct device_node *np);
/**
@@ -326,7 +334,12 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
void __iomem *reg, u8 bit_idx,
u8 clk_gate_flags, spinlock_t *lock);
+struct clk_hw *clk_hw_register_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 bit_idx,
+ u8 clk_gate_flags, spinlock_t *lock);
void clk_unregister_gate(struct clk *clk);
+void clk_hw_unregister_gate(struct clk_hw *hw);
struct clk_div_table {
unsigned int val;
@@ -407,12 +420,22 @@ 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_hw *clk_hw_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_hw *clk_hw_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);
void clk_unregister_divider(struct clk *clk);
+void clk_hw_unregister_divider(struct clk_hw *hw);
/**
* struct clk_mux - multiplexer clock
@@ -463,14 +486,25 @@ struct clk *clk_register_mux(struct device *dev, const char *name,
unsigned long flags,
void __iomem *reg, u8 shift, u8 width,
u8 clk_mux_flags, spinlock_t *lock);
+struct clk_hw *clk_hw_register_mux(struct device *dev, const char *name,
+ const char * const *parent_names, u8 num_parents,
+ unsigned long flags,
+ void __iomem *reg, u8 shift, u8 width,
+ u8 clk_mux_flags, spinlock_t *lock);
struct clk *clk_register_mux_table(struct device *dev, const char *name,
const char * const *parent_names, u8 num_parents,
unsigned long flags,
void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock);
+struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name,
+ const char * const *parent_names, u8 num_parents,
+ unsigned long flags,
+ void __iomem *reg, u8 shift, u32 mask,
+ u8 clk_mux_flags, u32 *table, spinlock_t *lock);
void clk_unregister_mux(struct clk *clk);
+void clk_hw_unregister_mux(struct clk_hw *hw);
void of_fixed_factor_clk_setup(struct device_node *node);
@@ -499,6 +533,10 @@ 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_hw *clk_hw_register_fixed_factor(struct device *dev,
+ const char *name, const char *parent_name, unsigned long flags,
+ unsigned int mult, unsigned int div);
+void clk_hw_unregister_fixed_factor(struct clk_hw *hw);
/**
* struct clk_fractional_divider - adjustable fractional divider clock
@@ -533,6 +571,11 @@ struct clk *clk_register_fractional_divider(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,
u8 clk_divider_flags, spinlock_t *lock);
+struct clk_hw *clk_hw_register_fractional_divider(struct device *dev,
+ const char *name, const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,
+ u8 clk_divider_flags, spinlock_t *lock);
+void clk_hw_unregister_fractional_divider(struct clk_hw *hw);
/**
* struct clk_multiplier - adjustable multiplier clock
@@ -603,6 +646,14 @@ struct clk *clk_register_composite(struct device *dev, const char *name,
struct clk_hw *rate_hw, const struct clk_ops *rate_ops,
struct clk_hw *gate_hw, const struct clk_ops *gate_ops,
unsigned long flags);
+void clk_unregister_composite(struct clk *clk);
+struct clk_hw *clk_hw_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,
+ struct clk_hw *rate_hw, const struct clk_ops *rate_ops,
+ struct clk_hw *gate_hw, const struct clk_ops *gate_ops,
+ unsigned long flags);
+void clk_hw_unregister_composite(struct clk_hw *hw);
/***
* struct clk_gpio_gate - gpio gated clock
@@ -625,6 +676,10 @@ 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);
+struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned gpio, bool active_low,
+ unsigned long flags);
+void clk_hw_unregister_gpio_gate(struct clk_hw *hw);
/**
* struct clk_gpio_mux - gpio controlled clock multiplexer
@@ -640,6 +695,10 @@ extern const struct clk_ops clk_gpio_mux_ops;
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);
+struct clk_hw *clk_hw_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 clk_hw_unregister_gpio_mux(struct clk_hw *hw);
/**
* clk_register - allocate a new clock, register it and return an opaque cookie
@@ -655,9 +714,15 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name,
struct clk *clk_register(struct device *dev, struct clk_hw *hw);
struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw);
+int __must_check clk_hw_register(struct device *dev, struct clk_hw *hw);
+int __must_check devm_clk_hw_register(struct device *dev, struct clk_hw *hw);
+
void clk_unregister(struct clk *clk);
void devm_clk_unregister(struct device *dev, struct clk *clk);
+void clk_hw_unregister(struct clk_hw *hw);
+void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw);
+
/* helper functions */
const char *__clk_get_name(const struct clk *clk);
const char *clk_hw_get_name(const struct clk_hw *hw);
@@ -703,6 +768,11 @@ struct clk_onecell_data {
unsigned int clk_num;
};
+struct clk_hw_onecell_data {
+ size_t num;
+ struct clk_hw *hws[];
+};
+
extern struct of_device_id __clk_of_table;
#define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn)
@@ -712,15 +782,24 @@ int of_clk_add_provider(struct device_node *np,
struct clk *(*clk_src_get)(struct of_phandle_args *args,
void *data),
void *data);
+int of_clk_add_hw_provider(struct device_node *np,
+ struct clk_hw *(*get)(struct of_phandle_args *clkspec,
+ void *data),
+ void *data);
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_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec,
+ void *data);
struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);
+struct clk_hw *of_clk_hw_onecell_get(struct of_phandle_args *clkspec,
+ void *data);
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);
-
+int of_clk_detect_critical(struct device_node *np, int index,
+ unsigned long *flags);
void of_clk_init(const struct of_device_id *matches);
#else /* !CONFIG_OF */
@@ -732,17 +811,34 @@ static inline int of_clk_add_provider(struct device_node *np,
{
return 0;
}
+static inline int of_clk_add_hw_provider(struct device_node *np,
+ struct clk_hw *(*get)(struct of_phandle_args *clkspec,
+ void *data),
+ void *data)
+{
+ return 0;
+}
static inline void of_clk_del_provider(struct device_node *np) {}
static inline struct clk *of_clk_src_simple_get(
struct of_phandle_args *clkspec, void *data)
{
return ERR_PTR(-ENOENT);
}
+static inline struct clk_hw *
+of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data)
+{
+ return ERR_PTR(-ENOENT);
+}
static inline struct clk *of_clk_src_onecell_get(
struct of_phandle_args *clkspec, void *data)
{
return ERR_PTR(-ENOENT);
}
+static inline struct clk_hw *
+of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data)
+{
+ return ERR_PTR(-ENOENT);
+}
static inline int of_clk_get_parent_count(struct device_node *np)
{
return 0;
@@ -757,6 +853,11 @@ static inline const char *of_clk_get_parent_name(struct device_node *np,
{
return NULL;
}
+static inline int of_clk_detect_critical(struct device_node *np, int index,
+ unsigned long *flags)
+{
+ return 0;
+}
static inline void of_clk_init(const struct of_device_id *matches) {}
#endif /* CONFIG_OF */
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index dc5164a6df29..6110fe09ed18 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -37,6 +37,7 @@
* @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
* @min_divider: minimum valid non-bypass divider value (actual)
* @max_divider: maximum valid non-bypass divider value (actual)
+ * @max_rate: maximum clock rate for the DPLL
* @modes: possible values of @enable_mask
* @autoidle_reg: register containing the DPLL autoidle mode bitfield
* @idlest_reg: register containing the DPLL idle status bitfield
@@ -81,6 +82,7 @@ struct dpll_data {
u8 last_rounded_n;
u8 min_divider;
u16 max_divider;
+ unsigned long max_rate;
u8 modes;
void __iomem *autoidle_reg;
void __iomem *idlest_reg;
diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h
index c2c04f7cbe8a..2eabc862abdb 100644
--- a/include/linux/clkdev.h
+++ b/include/linux/clkdev.h
@@ -15,6 +15,7 @@
#include <asm/clkdev.h>
struct clk;
+struct clk_hw;
struct device;
struct clk_lookup {
@@ -34,18 +35,22 @@ struct clk_lookup {
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...) __printf(3, 4);
+struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id,
+ const char *dev_fmt, ...) __printf(3, 4);
void clkdev_add(struct clk_lookup *cl);
void clkdev_drop(struct clk_lookup *cl);
struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id,
const char *dev_fmt, ...) __printf(3, 4);
+struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id,
+ const char *dev_fmt, ...) __printf(3, 4);
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, const char *, struct device *);
int clk_register_clkdev(struct clk *, const char *, const char *);
-int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t);
+int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
#ifdef CONFIG_COMMON_CLK
int __clk_get(struct clk *clk);
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-02-08 15:54:47 +0000