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authorElaine Zhang <zhangqing@rock-chips.com>2016-11-09 14:21:53 +0100
committerHeiko Stuebner <heiko@sntech.de>2016-11-14 16:20:23 +0100
commita1907df27e22e695c8e89bd3133eac1c2ee965c2 (patch)
tree39165282e4797e5f94fd4fe7f3834ce4773e6b1a /arch/arm64
parentarm64: dts: rockchip: add backlight support for rk3399 evb board (diff)
downloadlinux-a1907df27e22e695c8e89bd3133eac1c2ee965c2.tar.xz
linux-a1907df27e22e695c8e89bd3133eac1c2ee965c2.zip
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>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399.dtsi11
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>,