diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/cru_rk3399.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/clk_rk3399.c | 33 |
3 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3399.h b/arch/arm/include/asm/arch-rockchip/cru_rk3399.h index 6776e484b7..98fba2bd75 100644 --- a/arch/arm/include/asm/arch-rockchip/cru_rk3399.h +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3399.h @@ -9,6 +9,12 @@ #include <common.h> +/* Private data for the clock driver - used by rockchip_get_cru() */ +struct rk3399_clk_priv { + struct rk3399_cru *cru; + ulong rate; +}; + struct rk3399_pmucru { u32 ppll_con[6]; u32 reserved[0x1a]; diff --git a/arch/arm/mach-rockchip/rk3399/Makefile b/arch/arm/mach-rockchip/rk3399/Makefile index 607f9c9612..98ebeac340 100644 --- a/arch/arm/mach-rockchip/rk3399/Makefile +++ b/arch/arm/mach-rockchip/rk3399/Makefile @@ -4,5 +4,6 @@ # SPDX-License-Identifier: GPL-2.0+ # +obj-y += clk_rk3399.o obj-y += rk3399.o obj-y += syscon_rk3399.o diff --git a/arch/arm/mach-rockchip/rk3399/clk_rk3399.c b/arch/arm/mach-rockchip/rk3399/clk_rk3399.c new file mode 100644 index 0000000000..7663591154 --- /dev/null +++ b/arch/arm/mach-rockchip/rk3399/clk_rk3399.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_rk3399.h> + +int rockchip_get_clk(struct udevice **devp) +{ + return uclass_get_device_by_driver(UCLASS_CLK, + DM_GET_DRIVER(rockchip_rk3399_pmuclk), devp); +} + +void *rockchip_get_cru(void) +{ + struct rk3399_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; +} |