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>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index e8b9df965182..cc4930a3e90a 100644
--- 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>,