arch/arm/boot/dts/owl-s500-roseapplepi.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Roseapple Pi
 *
 * Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
 */

/dts-v1/;

#include "owl-s500.dtsi"

/ {
	compatible = "roseapplepi,roseapplepi", "actions,s500";
	model = "Roseapple Pi";

	aliases {
		mmc0 = &mmc0;
		serial2 = &uart2;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x80000000>; /* 2GB */
	};

	/* Fixed regulator used in the absence of PMIC */
	sd_vcc: sd-vcc {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.1V";
		regulator-min-microvolt = <3100000>;
		regulator-max-microvolt = <3100000>;
		regulator-always-on;
	};
};

&i2c0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
};

&i2c1 {
	status = "disabled";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins>;
};

&i2c2 {
	status = "disabled";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_pins>;
};

&pinctrl {
	i2c0_pins: i2c0-pins {
		pinmux {
			groups = "i2c0_mfp";
			function = "i2c0";
		};

		pinconf {
			pins = "i2c0_sclk", "i2c0_sdata";
			bias-pull-up;
		};
	};

	i2c1_pins: i2c1-pins {
		pinconf {
			pins = "i2c1_sclk", "i2c1_sdata";
			bias-pull-up;
		};
	};

	i2c2_pins: i2c2-pins {
		pinconf {
			pins = "i2c2_sclk", "i2c2_sdata";
			bias-pull-up;
		};
	};

	mmc0_pins: mmc0-pins {
		pinmux {
			groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp",
				 "sd0_cmd_mfp", "sd0_clk_mfp";
			function = "sd0";
		};

		drv-pinconf {
			groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv";
			drive-strength = <8>;
		};

		bias0-pinconf {
			pins = "sd0_d0", "sd0_d1", "sd0_d2",
			       "sd0_d3", "sd0_cmd";
			bias-pull-up;
		};

		bias1-pinconf {
			pins = "sd0_clk";
			bias-pull-down;
		};
	};
};

/* uSD */
&mmc0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
	no-sdio;
	no-mmc;
	no-1-8-v;
	cd-gpios = <&pinctrl 117 GPIO_ACTIVE_LOW>;
	bus-width = <4>;
	vmmc-supply = <&sd_vcc>;
	vqmmc-supply = <&sd_vcc>;
};

&twd_timer {
	status = "okay";
};

&timer {
	clocks = <&hosc>;
};

&uart2 {
	status = "okay";
};