Commit 9eb36b94 authored by Fabrizio Castro's avatar Fabrizio Castro Committed by Simon Horman
Browse files

ARM: dts: iwg23s-sbc: Add uSD and eMMC support



Add uSD card and eMMC support to the iwg23s single board
computer powered by the RZ/G1C SoC (a.k.a. r8a77470).

Signed-off-by: default avatarFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: default avatarBiju Das <biju.das@bp.renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 0485da78
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+76 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "r8a77470.dtsi"
/ {
	model = "iWave iW-RainboW-G23S single board computer based on RZ/G1C";
@@ -25,6 +26,37 @@
		device_type = "memory";
		reg = <0 0x40000000 0 0x20000000>;
	};

	reg_1p8v: reg-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_3p3v: reg-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	vccq_sdhi2: regulator-vccq-sdhi2 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI2 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		gpios = <&gpio2 24 GPIO_ACTIVE_LOW>;
		gpios-states = <1>;
		states = <3300000 1
			  1800000 0>;
	};
};

&avb {
@@ -46,10 +78,28 @@
};

&pfc {
	mmc_pins_uhs: mmc_uhs {
		groups = "mmc_data8", "mmc_ctrl";
		function = "mmc";
		power-source = <1800>;
	};

	scif1_pins: scif1 {
		groups = "scif1_data_b";
		function = "scif1";
	};

	sdhi2_pins: sd2 {
		groups = "sdhi2_data4", "sdhi2_ctrl";
		function = "sdhi2";
		power-source = <3300>;
	};

	sdhi2_pins_uhs: sd2_uhs {
		groups = "sdhi2_data4", "sdhi2_ctrl";
		function = "sdhi2";
		power-source = <1800>;
	};
};

&scif1 {
@@ -58,3 +108,29 @@

	status = "okay";
};

&sdhi1 {
	pinctrl-0 = <&mmc_pins_uhs>;
	pinctrl-names = "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&reg_1p8v>;
	bus-width = <8>;
	mmc-hs200-1_8v;
	non-removable;
	fixed-emmc-driver-type = <1>;
	status = "okay";
};

&sdhi2 {
	pinctrl-0 = <&sdhi2_pins>;
	pinctrl-1 = <&sdhi2_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&vccq_sdhi2>;
	bus-width = <4>;
	cd-gpios = <&gpio4 20 GPIO_ACTIVE_LOW>;
	sd-uhs-sdr50;
	status = "okay";
};