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Commit a102b93e authored by Biju Das's avatar Biju Das Committed by Simon Horman
Browse files

arm64: dts: renesas: r8a774c0-cat874: Add uSD support 



This patch adds uSD card support.

Signed-off-by: default avatarBiju Das <biju.das@bp.renesas.com>
Reviewed-by: default avatarFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: default avatarChris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 4cf1f6ce

arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts

+50 −0
Original line number Original line Diff line number Diff line
@@ -7,6 +7,7 @@ 




/dts-v1/;

/dts-v1/;

#include "r8a774c0.dtsi"

#include "r8a774c0.dtsi"

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





/ {

/ {

	model = "Silicon Linux RZ/G2E 96board platform (CAT874)";

	model = "Silicon Linux RZ/G2E 96board platform (CAT874)";
@@ -26,6 +27,29 @@ 
		/* first 128MB is reserved for secure area. */

		/* first 128MB is reserved for secure area. */

		reg = <0x0 0x48000000 0x0 0x78000000>;

		reg = <0x0 0x48000000 0x0 0x78000000>;

	};

	};



	vcc_sdhi0: regulator-vcc-sdhi0 {

		compatible = "regulator-fixed";



		regulator-name = "SDHI0 Vcc";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

		regulator-boot-on;

	};



	vccq_sdhi0: regulator-vccq-sdhi0 {

		compatible = "regulator-gpio";



		regulator-name = "SDHI0 VccQ";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;



		gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;

		gpios-states = <1>;

		states = <3300000 1

			  1800000 0>;

	};

};

};





&extal_clk {

&extal_clk {
@@ -37,6 +61,18 @@ 
		groups = "scif2_data_a";

		groups = "scif2_data_a";

		function = "scif2";

		function = "scif2";

	};

	};



	sdhi0_pins: sd0 {

		groups = "sdhi0_data4", "sdhi0_ctrl";

		function = "sdhi0";

		power-source = <3300>;

	};



	sdhi0_pins_uhs: sd0_uhs {

		groups = "sdhi0_data4", "sdhi0_ctrl";

		function = "sdhi0";

		power-source = <1800>;

	};

};

};





&scif2 {

&scif2 {
@@ -45,3 +81,17 @@ 




	status = "okay";

	status = "okay";

};

};



&sdhi0 {

	pinctrl-0 = <&sdhi0_pins>;

	pinctrl-1 = <&sdhi0_pins_uhs>;

	pinctrl-names = "default", "state_uhs";



	vmmc-supply = <&vcc_sdhi0>;

	vqmmc-supply = <&vccq_sdhi0>;

	cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;

	bus-width = <4>;

	sd-uhs-sdr50;

	sd-uhs-sdr104;

	status = "okay";

};