linux-kernel - [PATCH v2 6/6] dt/bindings: rockchip: modify document of Rockchip power domains

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Message-Id: <1455764899-13028-1-git-send-email-zhangqing@rock-chips.com>
Date:	Thu, 18 Feb 2016 11:08:19 +0800
From:	Elaine Zhang <zhangqing@...k-chips.com>
To:	heiko@...ech.de, wxt@...k-chips.com
Cc:	linux-arm-kernel@...ts.infradead.org, huangtao@...k-chips.com,
	zyw@...k-chips.com, xxx@...k-chips.com, jay.xu@...k-chips.com,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Elaine Zhang <zhangqing@...k-chips.com>
Subject: [PATCH v2 6/6] dt/bindings: rockchip: modify document of Rockchip power domains

Add binding documentation for the power domains
found on Rockchip RK3399 SoCs

Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
---
 .../bindings/soc/rockchip/power_domain.txt          | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
index 13dc6a3..c65d401 100644
--- 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,rk3368-power-controller" - for RK3368 SoCs.
+	"rockchip,rk3399-power-controller" - for RK3399 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/rk3368-power.h" - for RK3368 type power domain.
+	"include/dt-bindings/power/rk3399-power.h" - for RK3399 type power domain.
 - clocks (optional): phandles to clocks which need to be enabled while power domain
 	switches state.
 
@@ -45,12 +47,25 @@ Example:
                 };
         };
 
+	power: power-controller {
+		compatible = "rockchip,rk3399-power-controller";
+		#power-domain-cells = <1>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pd_gpu {
+			reg = <RK3399_PD_GPU>;
+			clocks = <&cru ACLK_GPU>;
+		};
+	};
+
 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/rk3368-power.h" - for rk3368 type power domain.
+	"include/dt-bindings/power/rk3399-power.h" - for rk3399 type power domain.
 
 Example of the node using power domain:
 
@@ -65,3 +80,9 @@ Example of the node using power domain:
                 power-domains = <&power RK3368_PD_GPU_1>;
                 /* ... */
         };
+
+	node {
+		/* ... */
+		power-domains = <&power RK3399_PD_GPU>;
+		/* ... */
+	};
-- 
1.9.1