[PATCH 2/2] arm64: dts: rockchip: add eMMC's power domain support for rk3399

[Ziyuan Xu]

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

Signed-off-by: Elaine Zhang <zhangq...@rock-chips.com>
Signed-off-by: Ziyuan Xu <xzy...@rock-chips.com>

---

 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi 
b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 32aebc8..71733d4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -239,6 +239,7 @@
                #clock-cells = <0>;
                phys = <&emmc_phy>;
                phy-names = "phy_arasan";
+               power-domains = <&power RK3399_PD_EMMC>;
                status = "disabled";
        };
 
@@ -611,6 +612,11 @@
                status = "disabled";
        };
 
+       qos_emmc: qos@ffa58000 {
+               compatible = "syscon";
+               reg = <0x0 0xffa58000 0x0 0x20>;
+       };
+
        qos_hdcp: qos@ffa90000 {
                compatible = "syscon";
                reg = <0x0 0xffa90000 0x0 0x20>;
@@ -739,6 +745,11 @@
                        };
 
                        /* 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_vio@RK3399_PD_VIO {
                                reg = <RK3399_PD_VIO>;
                                #address-cells = <1>;
-- 
2.9.2