目录
1. struct clk
2. struct clk_hw
3. struct clk_fixed_rate
4. struct clk_fixed_factor
5. struct clk_init_data
6. struct clk_core
7. struct of_clk_provider
8. struct clock_provider
1. struct clk
/**
*drivers/clk/clk.c
*/
struct clk {
struct clk_core *core;
const char *dev_id;
const char *con_id;
unsigned long min_rate;
unsigned long max_rate;
struct hlist_node clks_node;
};
2. struct clk_hw
/**
* "include/linux/clk-provider.h"
*/
struct clk_hw {
struct clk_core *core;
struct clk *clk;
const struct clk_init_data *init;
};
3. struct clk_fixed_rate
/**
* include/linux/clk-provider.h
*/
/**
* struct clk_fixed_rate - fixed-rate clock
* @hw: handle between common and hardware-specific interfaces
* @fixed_rate: constant frequency of clock
*/
struct clk_fixed_rate {
struct clk_hw hw;
unsigned long fixed_rate;
unsigned long fixed_accuracy;
u8 flags;
};
4. struct clk_fixed_factor
/**
* include/linux/clk-provider
*/
struct clk_fixed_factor {
struct clk_hw hw;
unsigned int mult;
unsigned int div;
};
5. struct clk_init_data
/**
* include/linux/clk-provider.h
*/
struct clk_init_data {
const char *name;
const struct clk_ops *ops;
const char * const *parent_names;
u8 num_parents;
unsigned long flags;
};
6. struct clk_core
/**
* drivers/clk/clk.c
*/
struct clk_core {
const char *name;
const struct clk_ops *ops;
struct clk_hw *hw;
struct module *owner;
struct clk_core *parent;
const char **parent_names;
struct clk_core **parents;
u8 num_parents;
u8 new_parent_index;
unsigned long rate;
unsigned long req_rate;
unsigned long new_rate;
struct clk_core *new_parent;
struct clk_core *new_child;
unsigned long flags;
bool orphan;
unsigned int enable_count;
unsigned int prepare_count;
unsigned long min_rate;
unsigned long max_rate;
unsigned long accuracy;
int phase;
struct hlist_head children;
struct hlist_node child_node;
struct hlist_head clks;
unsigned int notifier_count;
#ifdef CONFIG_DEBUG_FS
struct dentry *dentry;
struct hlist_node debug_node;
#endif
struct kref ref;
};
7. struct of_clk_provider
/**
* drivers/clk/clk.c
*/
/**
* struct of_clk_provider - Clock provider registration structure
* @link: Entry in global list of clock providers
* @node: Pointer to device tree node of clock provider
* @get: Get clock callback. Returns NULL or a struct clk for the
* given clock specifier
* @data: context pointer to be passed into @get callback
*/
struct of_clk_provider {
struct list_head link;
struct device_node *node;
struct clk *(*get)(struct of_phandle_args *clkspec, void *data);
void *data;
};
8. struct clock_provider
/**
* drivers/clk/clk.c
*/
struct clock_provider {
of_clk_init_cb_t clk_init_cb;
struct device_node *np;
struct list_head node;
};
