Commit 74649c98 authored by Yann Gautier's avatar Yann Gautier Committed by Alexandre Torgue
Browse files

arm64: dts: st: add SD-card support on STM32MP257F-EV1 board 



Add the configuration node for SD-card support on STM32MP257F-EV1 board.
For the moment it uses a fixed regulator for vmmc, and vqmmc is skipped
until regulator driver is available.

Signed-off-by: default avatarYann Gautier <yann.gautier@foss.st.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@foss.st.com>
parent 7db55ad3

arch/arm64/boot/dts/st/stm32mp257f-ev1.dts

+22 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 


/dts-v1/;



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

#include "stm32mp257.dtsi"

#include "stm32mp25xf.dtsi"

#include "stm32mp25-pinctrl.dtsi"
@@ -39,6 +40,27 @@ fw@80000000 { 
			no-map;

		};

	};



	vdd_sdcard: vdd-sdcard {

		compatible = "regulator-fixed";

		regulator-name = "vdd_sdcard";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};

};



&sdmmc1 {

	pinctrl-names = "default", "opendrain", "sleep";

	pinctrl-0 = <&sdmmc1_b4_pins_a>;

	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;

	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;

	cd-gpios = <&gpiod 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;

	disable-wp;

	st,neg-edge;

	bus-width = <4>;

	vmmc-supply = <&vdd_sdcard>;

	status = "okay";

};



&usart2 {