[PATCH v3 2/2] arm64: dts: rockchip: add eMMC's power domain support for rk3399
From: Ziyuan Xu <hidden>
Date: 2016-09-17 02:32:50
Also in:
linux-devicetree, linux-mmc
Subsystem:
the rest · Maintainer:
Linus Torvalds
Control power domain for eMMC via genpd to reduce power consumption. Signed-off-by: Elaine Zhang <redacted> Signed-off-by: Ziyuan Xu <redacted> Reviewed-by: Shawn Lin <redacted> Reviewed-by: Douglas Anderson <redacted> --- Changes in v3: None Changes in v2: - add Shawn's review-tag and Doug's review-tag 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 76b2864..13905ce 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>;
--
2.9.2
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