On Tue, Feb 23, 2016 at 03:01:01PM +0800, jianqun.xu wrote:
> From: Jianqun Xu <jay...@rock-chips.com>
>
> Add devicetree bindings for Rockchip grf which found on
> Rockchip SoCs.
>
> Signed-off-by: Jianqun Xu <jay...@rock-chips.com>
> ---
> changes in v2:
> - add grf.txt (Heiko)
>
> .../devicetree/bindings/soc/rockchip/grf.txt | 35
> ++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/rockchip/grf.txt
>
> diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.txt
> b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
> new file mode 100644
> index 0000000..7fb0410
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
> @@ -0,0 +1,35 @@
> +* Rockchip General Register Files (GRF)
> +
> +The general register file will be used to do static set by software, which
> +is composed of many registers for system control.
> +
> +From RK3368 SoCs, the GRF is divided into two sections,
> +- GRF, used for general non-secure system,
> +- PMUGRF, used for always on sysyem
s/sysyem/system/
Otherwise:
Acked-by: Rob Herring <r...@kernel.org>
> +
> +Required Properties:
> +
> +- compatible: GRF should be one of the followings
> + - "rockchip,rk3066-grf", "syscon": for rk3066
> + - "rockchip,rk3188-grf", "syscon": for rk3188
> + - "rockchip,rk3228-grf", "syscon": for rk3228
> + - "rockchip,rk3288-grf", "syscon": for rk3288
> + - "rockchip,rk3368-grf", "syscon": for rk3368
> + - "rockchip,rk3399-grf", "syscon": for rk3399
> +- compatible: PMUGRF should be one of the followings
> + - "rockchip,rk3368-pmugrf", "syscon": for rk3368
> + - "rockchip,rk3399-pmugrf", "syscon": for rk3399
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +
> +Example: GRF and PMUGRF of RK3399 SoCs
> +
> + pmugrf: syscon@ff320000 {
> + compatible = "rockchip,rk3399-pmugrf", "syscon";
> + reg = <0x0 0xff320000 0x0 0x1000>;
> + };
> +
> + grf: syscon@ff770000 {
> + compatible = "rockchip,rk3399-grf", "syscon";
> + reg = <0x0 0xff770000 0x0 0x10000>;
> + };
> --
> 1.9.1
>
>
