Add a driver that provides access to system controllers
Signed-off-by: Lin Huang hl@rock-chips.com Acked-by: Simon Glass sjg@chromium.org --- Changes in v1: - clean copyright announcement Changes in v2: - only build syscon_rk3036.c on NON-SPL stage Changes in v3: None Changes in v4: None Changes in v5: None
arch/arm/mach-rockchip/rk3036/Makefile | 2 +- arch/arm/mach-rockchip/rk3036/syscon_rk3036.c | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c
diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile index a483347..5d14b95 100644 --- a/arch/arm/mach-rockchip/rk3036/Makefile +++ b/arch/arm/mach-rockchip/rk3036/Makefile @@ -6,5 +6,5 @@
ifndef CONFIG_SPL_BUILD obj-y += reset_rk3036.o +obj-y += syscon_rk3036.o endif - diff --git a/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c b/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c new file mode 100644 index 0000000..965afde --- /dev/null +++ b/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c @@ -0,0 +1,21 @@ +/* + * (C) Copyright 2015 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <syscon.h> +#include <asm/arch/clock.h> + +static const struct udevice_id rk3036_syscon_ids[] = { + { .compatible = "rockchip,rk3036-grf", .data = ROCKCHIP_SYSCON_GRF }, + { } +}; + +U_BOOT_DRIVER(syscon_rk3036) = { + .name = "rk3036_syscon", + .id = UCLASS_SYSCON, + .of_match = rk3036_syscon_ids, +};