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Commit e03efbce authored by Linus Lüssing's avatar Linus Lüssing Committed by Kevin Hilman
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ARM: dts: meson8b-odroidc1: add microSD support 



The Odroid C1 features a microSD slot. This patch adds the necessary
DT bindings to support it.

Signed-off-by: default avatarLinus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: default avatarKevin Hilman <khilman@baylibre.com>
parent 7a6cc8be

arch/arm/boot/dts/meson8b-odroidc1.dts

+58 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ 


	aliases {

		serial0 = &uart_AO;

		mmc0 = &sd_card_slot;

	};



	memory {
@@ -69,6 +70,37 @@ 
			default-state = "off";

		};

	};



	tflash_vdd: regulator-tflash_vdd {

		/*

		 * signal name from schematics: TFLASH_VDD_EN

		 */

		compatible = "regulator-fixed";



		regulator-name = "TFLASH_VDD";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;



		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	tf_io: gpio-regulator-tf_io {

		compatible = "regulator-gpio";



		regulator-name = "TF_IO";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;



		/*

		 * signal name from schematics: TF_3V3N_1V8_EN

		 */

		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;

		gpios-states = <0>;



		states = <3300000 0

			  1800000 1>;

	};

};



&uart_AO {
@@ -100,6 +132,32 @@ 
	status = "okay";

};



&sdio {

	status = "okay";



	pinctrl-0 = <&sd_b_pins>;

	pinctrl-names = "default";



	/* SD card */

	sd_card_slot: slot@1 {

		compatible = "mmc-slot";

		reg = <1>;

		status = "okay";



		bus-width = <4>;

		no-sdio;

		cap-mmc-highspeed;

		cap-sd-highspeed;

		disable-wp;



		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;

		cd-inverted;



		vmmc-supply = <&tflash_vdd>;

		vqmmc-supply = <&tf_io>;

	};

};



&ethmac {

	status = "okay";

arch/arm/boot/dts/meson8b.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -206,6 +206,14 @@ 
				function = "ethernet";

			};

		};



		sd_b_pins: sd-b {

			mux {

				groups = "sd_d0_b", "sd_d1_b", "sd_d2_b",

					"sd_d3_b", "sd_clk_b", "sd_cmd_b";

				function = "sd_b";

			};

		};

	};

};