From e565abe10b851bd1c90f8a39e2e4695f337f3cb0 Mon Sep 17 00:00:00 2001 From: Doug Anderson Date: Wed, 11 Mar 2015 15:15:17 -0700 Subject: [PATCH] ARM: dts: rockchip: Specify VMMC and VQMMC on rk3288-evb Specifying these rails should eventually let us do UHS. Signed-off-by: Doug Anderson Signed-off-by: Heiko Stuebner --- arch/arm/boot/dts/rk3288-evb.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi index 4a457518d861..41f5f2a02387 100644 --- a/arch/arm/boot/dts/rk3288-evb.dtsi +++ b/arch/arm/boot/dts/rk3288-evb.dtsi @@ -112,6 +112,23 @@ regulator-always-on; regulator-boot-on; }; + + /* + * NOTE: vcc_sd isn't hooked up on v1.0 boards where power comes from + * vcc_io directly. Those boards won't be able to power cycle SD cards + * but it shouldn't hurt to toggle this pin there anyway. + */ + vcc_sd: sdmmc-regulator { + compatible = "regulator-fixed"; + gpio = <&gpio7 11 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc_pwr>; + regulator-name = "vcc_sd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us = <100000>; + vin-supply = <&vcc_io>; + }; }; &emmc { @@ -141,6 +158,8 @@ pinctrl-names = "default"; pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>; status = "okay"; + vmmc-supply = <&vcc_sd>; + vqmmc-supply = <&vccio_sd>; }; &i2c0 { @@ -232,6 +251,10 @@ sdmmc_cmd: sdmmc-cmd { rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_up_drv_8ma>; }; + + sdmmc_pwr: sdmmc-pwr { + rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>; + }; }; usb { -- 2.39.5