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ARM: dts: imx6qdl-hummingboard: add SD card regulator 

Add the SD card regulator, which allows the SD card power to be switched
on/off.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Russell King 2017-11-28 15:02:51 +00:00 committed by Shawn Guo
parent 41cc29d2fd
commit bf504ca7dc
1 changed files with 19 additions and 1 deletions
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20
arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
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@ -59,6 +59,19 @@ reg_3p3v: 3p3v {
regulator-always-on;
};
v_sd: regulator-v-sd {
compatible = "regulator-fixed";
gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hummingboard_vmmc>;
regulator-boot-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "v_sd";
startup-delay-us = <1000>;
vin-supply = <&reg_3p3v>;
};
reg_usbh1_vbus: usb-h1-vbus {
compatible = "regulator-fixed";
enable-active-high;
@ -241,6 +254,11 @@ MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x13059
>;
};
pinctrl_hummingboard_vmmc: hummingboard-vmmc {
fsl,pins = <
MX6QDL_PAD_DISP0_DAT9__GPIO4_IO30 0x1b0b0
>;
};
};
};
@ -292,7 +310,7 @@ &usdhc2 {
&pinctrl_hummingboard_usdhc2_aux
&pinctrl_hummingboard_usdhc2
>;
vmmc-supply = <&reg_3p3v>;
vmmc-supply = <&v_sd>;
cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
status = "okay";
};