diff options
author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:43:41 -0700 |
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committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:34 -0700 |
commit | 64b7faa7f9583d31e954c10de52275cdf2bf0ee1 (patch) | |
tree | c8a905f1f6884fa420cd3ea993b4cf9b9422d0c8 /arch/arm | |
parent | 4f43673e5ac54c3c2486eee6f1c9cf5e51744f23 (diff) |
rockchip: clock: Add a function to find a clock by ID
The current approach of using uclass_get_device() is error-prone. Another
clock (for example a fixed-clock) may cause it to break. Add a function that
does a proper search.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/clock.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h index 8a0376c501e..a9ea2689c74 100644 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ b/arch/arm/include/asm/arch-rockchip/clock.h @@ -62,4 +62,16 @@ static inline u32 clk_get_divisor(ulong input_rate, uint output_rate) */ void *rockchip_get_cru(void); +/** + * rkclk_get_clk() - get a pointer to a given clock + * + * This is an internal function - use outside the clock subsystem indicates + * that work is needed! + * + * @clk_id: Clock requested + * @devp: Returns a pointer to that clock + * @return 0 if OK, -ve on error + */ +int rkclk_get_clk(enum rk_clk_id clk_id, struct udevice **devp); + #endif |