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Commit 07d065ab authored by Gregory CLEMENT's avatar Gregory CLEMENT
Browse files

arm64: dts: marvell: armada-3720-db: Add vqmmc regulator for SD slot 



By adding this regulator, the SD cards are usable at higher speed
protocols such as SDR104.

This patch was tested with an SD HC card compatible with UHS-I.

Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
parent 1208d2f0

arch/arm64/boot/dts/marvell/armada-3720-db.dts

+15 −0
Original line number Diff line number Diff line
@@ -80,6 +80,20 @@ 
		compatible = "usb-nop-xceiv";

		vcc-supply = <&exp_usb3_vbus>;

	};



	vcc_sd_reg1: regulator {

		compatible = "regulator-gpio";

		regulator-name = "vcc_sd1";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;

		regulator-boot-on;



		gpios = <&gpiosb 23 GPIO_ACTIVE_HIGH>;

		gpios-states = <0>;

		states = <1800000 0x1

			  3300000 0x0>;

		enable-active-high;

	};

};



/* Gigabit module on CON19(V2.0)/CON21(V1.4) */
@@ -164,6 +178,7 @@ 
	cd-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>;

	bus-width = <4>;

	marvell,pad-type = "sd";

	vqmmc-supply = <&vcc_sd_reg1>;

	status = "okay";

};