linux-kernel - [PATCH v1 1/2] dt-bindings: modify document of Rockchip power domains

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Message-Id: <1458285444-31129-2-git-send-email-zhangqing@rock-chips.com>
Date:	Fri, 18 Mar 2016 15:17:23 +0800
From:	Elaine Zhang <zhangqing@...k-chips.com>
To:	heiko@...ech.de, khilman@...libre.com, xf@...k-chips.com,
	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 v1 1/2] dt-bindings: modify document of Rockchip power domains

Add qos example for power domain which found on Rockchip SoCs.
These qos register description in TRMs
(rk3036, rk3228, rk3288, rk3366, rk3368, rk3399) looks the same.

Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
---
 Documentation/devicetree/bindings/soc/rockchip/power_domain.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
index 13dc6a3..5a61d36 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
@@ -19,6 +19,13 @@ Required properties for power domain sub nodes:
 - clocks (optional): phandles to clocks which need to be enabled while power domain
 	switches state.
 
+Qos Example:
+
+	qos_gpu: qos_gpu@...f0000 {
+		compatible ="syscon";
+		reg = <0x0 0xffaf0000 0x0 0x20>;
+	};
+
 Example:
 
 	power: power-controller {
@@ -30,6 +37,7 @@ Example:
 		pd_gpu {
 			reg = <RK3288_PD_GPU>;
 			clocks = <&cru ACLK_GPU>;
+			pm_qos = <&qos_gpu>;
 		};
 	};
 
-- 
1.9.1