diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/cru_rk3036.h | 6 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3036/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3036/clk_rk3036.c | 33 |
3 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3036.h b/arch/arm/include/asm/arch-rockchip/cru_rk3036.h index 7ecc8ee..aaef4b9 100644 --- a/arch/arm/include/asm/arch-rockchip/cru_rk3036.h +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3036.h @@ -24,6 +24,12 @@ #define PERI_HCLK_HZ 148500000 #define PERI_PCLK_HZ 74250000 +/* Private data for the clock driver - used by rockchip_get_cru() */ +struct rk3036_clk_priv { + struct rk3036_cru *cru; + ulong rate; +}; + struct rk3036_cru { struct rk3036_pll { unsigned int con0; diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile index 916a7a4..20d28f7 100644 --- a/arch/arm/mach-rockchip/rk3036/Makefile +++ b/arch/arm/mach-rockchip/rk3036/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ # +obj-y += clk_rk3036.o + ifndef CONFIG_SPL_BUILD obj-y += syscon_rk3036.o endif diff --git a/arch/arm/mach-rockchip/rk3036/clk_rk3036.c b/arch/arm/mach-rockchip/rk3036/clk_rk3036.c new file mode 100644 index 0000000..6a06afb --- /dev/null +++ b/arch/arm/mach-rockchip/rk3036/clk_rk3036.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2016 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> +#include <asm/arch/cru_rk3036.h> + +int rockchip_get_clk(struct udevice **devp) +{ + return uclass_get_device_by_driver(UCLASS_CLK, + DM_GET_DRIVER(rockchip_rk3036_cru), devp); +} + +void *rockchip_get_cru(void) +{ + struct rk3036_clk_priv *priv; + struct udevice *dev; + int ret; + + ret = rockchip_get_clk(&dev); + if (ret) + return ERR_PTR(ret); + + priv = dev_get_priv(dev); + + return priv->cru; +} |