Re: [PATCH 1/4] soc: rockchip: add bindings for Rockchip grf
From: Rob Herring <robh@kernel.org>
Date: 2016-02-23 22:16:03
Also in:
linux-arm-kernel, linux-rockchip, lkml
On Tue, Feb 23, 2016 at 03:01:01PM +0800, jianqun.xu wrote:
quoted hunk ↗ jump to hunk
From: Jianqun Xu <redacted> Add devicetree bindings for Rockchip grf which found on Rockchip SoCs. Signed-off-by: Jianqun Xu <redacted> --- 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.txtdiff --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 <robh@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