UPSTREAM: dt-bindings: modify document of Rockchip power domains

Modify binding documentation for the power domains
found on Rockchip RK3368 SoCs.

Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
(cherry picked from git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master commit 1f164bd5b7dd4a1903c274ca70bf1ab11684db99)

Change-Id: Id6ef1ecfb32ee92e3a339326c1354a60b9028a80
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>

diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
index 2cacc4641778a44cd1818aa567e59140eed44768..aca567c457a7728e7cb7e3fdee101ab01ae12b4f 100644 (file)
--- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
@@ -7,6 +7,7 @@ Required properties for power domain controller:
 - compatible: Should be one of the following.
        "rockchip,rk3288-power-controller" - for RK3288 SoCs.
        "rockchip,rk3366-power-controller" - for RK3366 SoCs.
+       "rockchip,rk3368-power-controller" - for RK3368 SoCs.
 - #power-domain-cells: Number of cells in a power-domain specifier.
        Should be 1 for multiple PM domains.
 - #address-cells: Should be 1.
@@ -16,6 +17,7 @@ Required properties for power domain sub nodes:
 - reg: index of the power domain, should use macros in:
        "include/dt-bindings/power/rk3288-power.h" - for RK3288 type power domain.
        "include/dt-bindings/power/rk3366-power.h" - for RK3366 type power domain.
+       "include/dt-bindings/power/rk3368-power.h" - for RK3368 type power domain.
 - clocks (optional): phandles to clocks which need to be enabled while power domain
        switches state.
 
@@ -33,12 +35,25 @@ Example:
                };
        };
 
+        power: power-controller {
+                compatible = "rockchip,rk3368-power-controller";
+                #power-domain-cells = <1>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                pd_gpu_1 {
+                        reg = <RK3368_PD_GPU_1>;
+                        clocks = <&cru ACLK_GPU_CFG>;
+                };
+        };
+
 Node of a device using power domains must have a power-domains property,
 containing a phandle to the power device node and an index specifying which
 power domain to use.
 The index should use macros in:
        "include/dt-bindings/power/rk3288-power.h" - for rk3288 type power domain.
        "include/dt-bindings/power/rk3366-power.h" - for rk3366 type power domain.
+       "include/dt-bindings/power/rk3368-power.h" - for rk3368 type power domain.
 
 Example of the node using power domain:
 
@@ -47,3 +62,9 @@ Example of the node using power domain:
                power-domains = <&power RK3288_PD_GPU>;
                /* ... */
        };
+
+       node {
+                /* ... */
+                power-domains = <&power RK3368_PD_GPU_1>;
+                /* ... */
+        };