linux-kernel - [PATCH v3 3/5] arm64: dts: rockchip: add the gmac power domain on rk3399

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Date:   Thu,  1 Sep 2016 07:28:50 +0800
From:   Caesar Wang <wxt@...k-chips.com>
To:     Heiko Stuebner <heiko@...ech.de>, netdev@...r.kernel.org
Cc:     linux-rockchip@...ts.infradead.org,
        Brian Norris <briannorris@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        dbasehore@...omium.org, Caesar Wang <wxt@...k-chips.com>,
        Roger Chen <roger.chen@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Xing Zheng <zhengxing@...k-chips.com>,
        Huang Tao <huangtao@...k-chips.com>,
        Jianqun Xu <jay.xu@...k-chips.com>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        David Wu <david.wu@...k-chips.com>,
        Shunqian Zheng <zhengsq@...k-chips.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 3/5] arm64: dts: rockchip: add the gmac power domain on rk3399

This patch supports the gmac pd to save power consumption.
Even though some boards not need Ethernet support, the driver
core can also take care of powering up the pd before probe.

Signed-off-by: Roger Chen <roger.chen@...k-chips.com>
Signed-off-by: Caesar Wang <wxt@...k-chips.com>
---

Changes in v3:
- leave into two patches based on patchv2, and fix nits and commit, as
  comment on https://patchwork.kernel.org/patch/9306339/

Changes in v2:
- Fixes the order, ss Heiko commnets on
  https://patchwork.kernel.org/patch/9305991/

 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 32aebc8..2ab233f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -611,6 +611,11 @@
 		status = "disabled";
 	};
 
+	qos_gmac: qos@...5c000 {
+		compatible = "syscon";
+		reg = <0x0 0xffa5c000 0x0 0x20>;
+	};
+
 	qos_hdcp: qos@...90000 {
 		compatible = "syscon";
 		reg = <0x0 0xffa90000 0x0 0x20>;
@@ -739,6 +744,11 @@
 			};
 
 			/* These power domains are grouped by VD_LOGIC */
+			pd_gmac@...399_PD_GMAC {
+				reg = <RK3399_PD_GMAC>;
+				clocks = <&cru ACLK_GMAC>;
+				pm_qos = <&qos_gmac>;
+			};
 			pd_vio@...399_PD_VIO {
 				reg = <RK3399_PD_VIO>;
 				#address-cells = <1>;
-- 
1.9.1