diff options
Diffstat (limited to 'include/linux/clk.h')
| -rw-r--r-- | include/linux/clk.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h index f6fb40c8bf97..2fd6a4234531 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -12,6 +12,7 @@ #ifndef __LINUX_CLK_H #define __LINUX_CLK_H +#include <linux/err.h> #include <linux/kernel.h> #include <linux/notifier.h> @@ -310,4 +311,23 @@ struct clk *clk_get_sys(const char *dev_id, const char *con_id); int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, struct device *dev); +struct device_node; +struct of_phandle_args; + +#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK) +struct clk *of_clk_get(struct device_node *np, int index); +struct clk *of_clk_get_by_name(struct device_node *np, const char *name); +struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec); +#else +static inline struct clk *of_clk_get(struct device_node *np, int index) +{ + return ERR_PTR(-ENOENT); +} +static inline struct clk *of_clk_get_by_name(struct device_node *np, + const char *name) +{ + return ERR_PTR(-ENOENT); +} +#endif + #endif |