linux-kernel - [PATCH v4 4/6] arm64: dts: rockchip: add the gmac power domain on rk3399

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Message-Id: <1472752204-8924-5-git-send-email-wxt@rock-chips.com>
Date:   Fri,  2 Sep 2016 01:50:02 +0800
From:   Caesar Wang <wxt@...k-chips.com>
To:     Heiko Stuebner <heiko@...ech.de>,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        Brian Norris <briannorris@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        dbasehore@...omium.org, Caesar Wang <wxt@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Huang Tao <huangtao@...k-chips.com>,
        Xing Zheng <zhengxing@...k-chips.com>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        Jianqun Xu <jay.xu@...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 v4 4/6] 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: Caesar Wang <wxt@...k-chips.com>
---

Changes in v4:
- remove the Roger signed-off for domain patch.

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