From f1a447dc1bdddee169b7c3b22276c9175fa6a0de Mon Sep 17 00:00:00 2001 From: Jacob Chen Date: Fri, 15 Jul 2016 15:50:53 +0800 Subject: [PATCH] ARM: dts: rk3288: Enable high speed on sd card on rk3288-evb Change-Id: Idd855fb565dde2e47891f6676175c6573c245fcd Signed-off-by: Jacob Chen --- arch/arm/boot/dts/rk3288-evb-act8846.dts | 2 +- arch/arm/boot/dts/rk3288-evb.dtsi | 10 ++++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts b/arch/arm/boot/dts/rk3288-evb-act8846.dts index 8047ecaa4e34..81be0f7f7949 100644 --- a/arch/arm/boot/dts/rk3288-evb-act8846.dts +++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts @@ -160,7 +160,7 @@ vccio_sd: REG5 { regulator-name = "VCCIO_SD"; - regulator-min-microvolt = <3300000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-always-on; }; diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi index 5f503b0b1310..645b23492d7b 100644 --- a/arch/arm/boot/dts/rk3288-evb.dtsi +++ b/arch/arm/boot/dts/rk3288-evb.dtsi @@ -212,6 +212,12 @@ startup-delay-us = <100000>; vin-supply = <&vcc_io>; }; + + io-domains { + compatible = "rockchip,rk3288-io-voltage-domain"; + rockchip,grf = <&grf>; + sdcard-supply = <&vccio_sd>; + }; }; &emmc { @@ -237,6 +243,10 @@ supports-sd; bus-width = <4>; cap-mmc-highspeed; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-sdr104; cap-sd-highspeed; card-detect-delay = <200>; disable-wp; /* wp not hooked up */ -- 2.34.1