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arm64: dts: imx8mm-nitrogen-r2: rework USDHC1

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Add VMMC and VQMMC description for USDHC1 (eMMC).
There are comming directly from the alimentation
stage, so add the vref_3V3 fixed regulator.

Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Adrien Grassein 2021-02-23 20:16:45 +01:00 committed by Shawn Guo
parent 94b736d728
commit f37cd7560d
1 changed files with 9 additions and 0 deletions
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9
arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
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@ -17,6 +17,13 @@
regulator-max-microvolt = <1800000>;
};
reg_vref_3v3: regulator-vref-3v3 {
compatible = "regulator-fixed";
regulator-name = "vref-3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_wlan_vmmc: regulator-wlan-vmmc {
compatible = "regulator-fixed";
pinctrl-names = "default";
@ -209,6 +216,8 @@
pinctrl-0 = <&pinctrl_usdhc1>;
pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
vmmc-supply = <&reg_vref_3v3>;
vqmmc-supply = <&reg_vref_1v8>;
status = "okay";
};