arm64: dts: rockchip: add eMMC's power domain support for rk3399

Control power domain for eMMC via genpd to reduce power consumption.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Tested-by: Shawn Lin <shawn.lin@rock-chips.com>
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 e8b9df965182de5a1120885b82800759dec60734..cc4930a3e90a4639fbd6447406e6a70e21d36baf 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -269,6 +269,7 @@
                #clock-cells = <0>;
                phys = <&emmc_phy>;
                phy-names = "phy_arasan";
+               power-domains = <&power RK3399_PD_EMMC>;
                status = "disabled";
        };
 
@@ -690,6 +691,11 @@
                status = "disabled";
        };
 
+       qos_emmc: qos@ffa58000 {
+               compatible = "syscon";
+               reg = <0x0 0xffa58000 0x0 0x20>;
+       };
+
        qos_gmac: qos@ffa5c000 {
                compatible = "syscon";
                reg = <0x0 0xffa5c000 0x0 0x20>;
@@ -823,6 +829,11 @@
                        };
 
                        /* These power domains are grouped by VD_LOGIC */
+                       pd_emmc@RK3399_PD_EMMC {
+                               reg = <RK3399_PD_EMMC>;
+                               clocks = <&cru ACLK_EMMC>;
+                               pm_qos = <&qos_emmc>;
+                       };
                        pd_gmac@RK3399_PD_GMAC {
                                reg = <RK3399_PD_GMAC>;
                                clocks = <&cru ACLK_GMAC>,