diff options
author | Simon Glass <sjg@chromium.org> | 2016-07-17 15:23:16 -0600 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2016-07-25 20:46:45 -0600 |
commit | a617c5d3e2c22355ee9abc455bbb0b36e124a00a (patch) | |
tree | a9eb407a044c2b5c4f06e0812a33dfb5a9889cfd /arch/arm | |
parent | c57f806bf2e745c4273dc33c9827781cff46427c (diff) |
rockchip: Add a way to obtain the main clock device
On Rockchip SoCs we typically have a main clock device that uses the Soc
clock driver. There is also a fixed clock for the oscillator. Add a function
to obtain the core clock.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/clock.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3288/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3288/clk_rk3288.c | 17 |
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h index 4bebd62479..21edbc2f89 100644 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ b/arch/arm/include/asm/arch-rockchip/clock.h @@ -67,4 +67,6 @@ struct rk3288_grf; void rk3288_clk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf); +int rockchip_get_clk(struct udevice **devp); + #endif diff --git a/arch/arm/mach-rockchip/rk3288/Makefile b/arch/arm/mach-rockchip/rk3288/Makefile index 6f62375f46..82b00a1b01 100644 --- a/arch/arm/mach-rockchip/rk3288/Makefile +++ b/arch/arm/mach-rockchip/rk3288/Makefile @@ -4,6 +4,7 @@ # SPDX-License-Identifier: GPL-2.0+ # +obj-y += clk_rk3288.o obj-y += reset_rk3288.o obj-y += sdram_rk3288.o obj-y += syscon_rk3288.o diff --git a/arch/arm/mach-rockchip/rk3288/clk_rk3288.c b/arch/arm/mach-rockchip/rk3288/clk_rk3288.c new file mode 100644 index 0000000000..2099e349c1 --- /dev/null +++ b/arch/arm/mach-rockchip/rk3288/clk_rk3288.c @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <syscon.h> +#include <asm/arch/clock.h> + +int rockchip_get_clk(struct udevice **devp) +{ + return uclass_get_device_by_driver(UCLASS_CLK, + DM_GET_DRIVER(rockchip_rk3288_cru), devp); +} |