diff options
| -rw-r--r-- | drivers/clk/clk-uclass.c | 22 | ||||
| -rw-r--r-- | include/clk.h | 11 |
2 files changed, 33 insertions, 0 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 899b2dda6f..506ba6014c 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -491,6 +491,28 @@ int clk_disable_bulk(struct clk_bulk *bulk) return 0; } +int clk_get_by_id(ulong id, struct clk **clkp) +{ + struct udevice *dev; + struct uclass *uc; + int ret; + + ret = uclass_get(UCLASS_CLK, &uc); + if (ret) + return ret; + + uclass_foreach_dev(dev, uc) { + struct clk *clk = dev_get_clk_ptr(dev); + + if (clk && clk->id == id) { + *clkp = clk; + return 0; + } + } + + return -ENOENT; +} + UCLASS_DRIVER(clk) = { .id = UCLASS_CLK, .name = "clk", diff --git a/include/clk.h b/include/clk.h index 7b2ff8ebe6..f8f56d9cf0 100644 --- a/include/clk.h +++ b/include/clk.h @@ -345,4 +345,15 @@ static inline bool clk_valid(struct clk *clk) { return !!clk->dev; } + +/** + * clk_get_by_id() - Get the clock by its ID + * + * @id: The clock ID to search for + * + * @clkp: A pointer to clock struct that has been found among added clocks + * to UCLASS_CLK + * @return zero on success, or -ENOENT on error + */ +int clk_get_by_id(ulong id, struct clk **clkp); #endif |