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Commit ebe3ae29 authored by Andre Przywara's avatar Andre Przywara Committed by Maxime Ripard
Browse files

arm64: allwinner: pine64: add MMC support 



All Pine64 boards connect an micro-SD card slot to the first MMC
controller.
Enable the respective DT node and specify the (always-on) regulator
and card-detect pin.
As a micro-SD slot does not feature a write-protect switch, we disable
this feature.

Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
parent 22be992f

arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts

+20 −0
Original line number Diff line number Diff line
@@ -44,6 +44,8 @@ 


#include "sun50i-a64.dtsi"



#include <dt-bindings/gpio/gpio.h>



/ {

	model = "Pine64";

	compatible = "pine64,pine64", "allwinner,sun50i-a64";
@@ -55,6 +57,13 @@ 
	chosen {

		stdout-path = "serial0:115200n8";

	};



	reg_vcc3v3: vcc3v3 {

		compatible = "regulator-fixed";

		regulator-name = "vcc3v3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};

};



&ehci1 {
@@ -71,6 +80,17 @@ 
	bias-pull-up;

};



&mmc0 {

	pinctrl-names = "default";

	pinctrl-0 = <&mmc0_pins>;

	vmmc-supply = <&reg_vcc3v3>;

	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;

	cd-inverted;

	disable-wp;

	bus-width = <4>;

	status = "okay";

};



&ohci1 {

	status = "okay";

};