diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/clk-provider.h | 22 | ||||
| -rw-r--r-- | include/linux/device.h | 2 |
2 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 8fa494aaa34d..491d992d045d 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -251,19 +251,40 @@ struct clk_ops { }; /** + * struct clk_parent_data - clk parent information + * @hw: parent clk_hw pointer (used for clk providers with internal clks) + * @fw_name: parent name local to provider registering clk + * @name: globally unique parent name (used as a fallback) + * @index: parent index local to provider registering clk (if @fw_name absent) + */ +struct clk_parent_data { + const struct clk_hw *hw; + const char *fw_name; + const char *name; + int index; +}; + +/** * struct clk_init_data - holds init data that's common to all clocks and is * shared between the clock provider and the common clock framework. * * @name: clock name * @ops: operations this clock supports * @parent_names: array of string names for all possible parents + * @parent_data: array of parent data for all possible parents (when some + * parents are external to the clk controller) + * @parent_hws: array of pointers to all possible parents (when all parents + * are internal to the clk controller) * @num_parents: number of possible parents * @flags: framework-level hints and quirks */ struct clk_init_data { const char *name; const struct clk_ops *ops; + /* Only one of the following three should be assigned */ const char * const *parent_names; + const struct clk_parent_data *parent_data; + const struct clk_hw **parent_hws; u8 num_parents; unsigned long flags; }; @@ -776,6 +797,7 @@ 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); +int __must_check of_clk_hw_register(struct device_node *node, struct clk_hw *hw); void clk_unregister(struct clk *clk); void devm_clk_unregister(struct device *dev, struct clk *clk); diff --git a/include/linux/device.h b/include/linux/device.h index 4e6987e11f68..ad626df2e12e 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1229,7 +1229,7 @@ static inline void device_lock_assert(struct device *dev) static inline struct device_node *dev_of_node(struct device *dev) { - if (!IS_ENABLED(CONFIG_OF)) + if (!IS_ENABLED(CONFIG_OF) || !dev) return NULL; return dev->of_node; } |