diff options
| author | Doug Anderson <dianders@chromium.org> | 2015-03-11 15:15:17 -0700 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2015-04-27 09:27:41 +0200 |
| commit | e565abe10b851bd1c90f8a39e2e4695f337f3cb0 (patch) | |
| tree | 7705292fd5eb850c746bfee2f6a9f3d125ad4f55 /arch/arm/boot/dts/rk3288-evb.dtsi | |
| parent | f18407800e5d211028858f86f1e78aacbedad298 (diff) | |
ARM: dts: rockchip: Specify VMMC and VQMMC on rk3288-evb
Specifying these rails should eventually let us do UHS.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot/dts/rk3288-evb.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/rk3288-evb.dtsi | 23 |
1 files changed, 23 insertions, 0 deletions
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 { |