arm64: dts: rockchip: add the gmac power domain on rk3399

This patch adds the gmac ppower-domain to save power consumption
by letting the driver core handle the power-domain so we can
save power on boards not needing Ethernet.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 5aeef57..7df782a 100644 (file)
--- 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@ffa5c000 {
+               compatible = "syscon";
+               reg = <0x0 0xffa5c000 0x0 0x20>;
+       };
+
        qos_hdcp: qos@ffa90000 {
                compatible = "syscon";
                reg = <0x0 0xffa90000 0x0 0x20>;
@@ -739,6 +744,11 @@
                        };
 
                        /* These power domains are grouped by VD_LOGIC */
+                       pd_gmac@RK3399_PD_GMAC {
+                               reg = <RK3399_PD_GMAC>;
+                               clocks = <&cru ACLK_GMAC>;
+                               pm_qos = <&qos_gmac>;
+                       };
                        pd_vio@RK3399_PD_VIO {
                                reg = <RK3399_PD_VIO>;
                                #address-cells = <1>;