From mboxrd@z Thu Jan 1 00:00:00 1970 From: xzy.xu@rock-chips.com (Ziyuan Xu) Date: Sat, 27 Aug 2016 21:41:03 +0800 Subject: [PATCH 2/2] arm64: dts: rockchip: add eMMC's power domain support for rk3399 In-Reply-To: <20160827134103.28160-1-xzy.xu@rock-chips.com> References: <20160827134103.28160-1-xzy.xu@rock-chips.com> Message-ID: <20160827134103.28160-3-xzy.xu@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Control power domain for eMMC via genpd to reduce power consumption. Signed-off-by: Elaine Zhang Signed-off-by: Ziyuan Xu --- 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 at ffa58000 { + compatible = "syscon"; + reg = <0x0 0xffa58000 0x0 0x20>; + }; + qos_hdcp: qos at ffa90000 { compatible = "syscon"; reg = <0x0 0xffa90000 0x0 0x20>; @@ -739,6 +745,11 @@ }; /* These power domains are grouped by VD_LOGIC */ + pd_emmc at RK3399_PD_EMMC { + reg = ; + clocks = <&cru ACLK_EMMC>; + pm_qos = <&qos_emmc>; + }; pd_vio at RK3399_PD_VIO { reg = ; #address-cells = <1>; -- 2.9.2