Commit a2130d91 authored by Yao Zi's avatar Yao Zi Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: Enable SD-card interface on Radxa E20C 



SD-card is available on Radxa E20C board.

Signed-off-by: default avatarYao Zi <ziyao@disroot.org>
Reviewed-by: default avatarJonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250508234829.27111-4-ziyao@disroot.org


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 894a2640

arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts

+30 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ / { 


	aliases {

		mmc0 = &sdhci;

		mmc1 = &sdmmc;

	};



	chosen {
@@ -130,6 +131,18 @@ vcc5v0_sys: regulator-5v0-vcc-sys { 
		regulator-max-microvolt = <5000000>;

	};



	vccio_sd: regulator-vccio-sd {

		compatible = "regulator-gpio";

		gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;

		pinctrl-names = "default";

		pinctrl-0 = <&sdmmc_vol_ctrl_h>;

		regulator-name = "vccio_sd";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;

		states = <1800000 0x0>, <3300000 0x1>;

		vin-supply = <&vcc5v0_sys>;

	};



	vdd_arm: regulator-vdd-arm {

		compatible = "pwm-regulator";

		pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>;
@@ -205,6 +218,12 @@ wan_led_g: wan-led-g { 
			rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};



	sdmmc {

		sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {

			rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};

};



&pwm1 {
@@ -235,6 +254,17 @@ &sdhci { 
	status = "okay";

};



&sdmmc {

	bus-width = <4>;

	cap-mmc-highspeed;

	cap-sd-highspeed;

	disable-wp;

	sd-uhs-sdr104;

	vmmc-supply = <&vcc_3v3>;

	vqmmc-supply = <&vccio_sd>;

	status = "okay";

};



&uart0 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart0m0_xfer>;