arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
 */

/dts-v1/;

#include "cv1800b.dtsi"

/ {
	model = "Milk-V Duo";
	compatible = "milkv,duo", "sophgo,cv1800b";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
		serial4 = &uart4;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		coprocessor_rtos: region@83f40000 {
			reg = <0x83f40000 0xc0000>;
			no-map;
		};
	};
};

&osc {
	clock-frequency = <25000000>;
};

&pinctrl {
	uart0_cfg: uart0-cfg {
		uart0-pins {
			pinmux = <PINMUX(PIN_UART0_TX, 0)>,
				 <PINMUX(PIN_UART0_RX, 0)>;
			bias-pull-up;
			drive-strength-microamp = <10800>;
			power-source = <3300>;
		};
	};

	sdhci0_cfg: sdhci0-cfg {
		sdhci0-clk-pins {
			pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
			bias-pull-up;
			drive-strength-microamp = <16100>;
			power-source = <3300>;
		};

		sdhci0-cmd-pins {
			pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
			bias-pull-up;
			drive-strength-microamp = <10800>;
			power-source = <3300>;
		};

		sdhci0-data-pins {
			pinmux = <PINMUX(PIN_SD0_D0, 0)>,
				 <PINMUX(PIN_SD0_D1, 0)>,
				 <PINMUX(PIN_SD0_D2, 0)>,
				 <PINMUX(PIN_SD0_D3, 0)>;
			bias-pull-up;
			drive-strength-microamp = <10800>;
			power-source = <3300>;
		};

		sdhci0-cd-pins {
			pinmux = <PINMUX(PIN_SD0_CD, 0)>;
			bias-pull-up;
			drive-strength-microamp = <10800>;
			power-source = <3300>;
		};
	};
};

&sdhci0 {
	pinctrl-0 = <&sdhci0_cfg>;
	pinctrl-names = "default";
	status = "okay";
	bus-width = <4>;
	no-1-8-v;
	no-mmc;
	no-sdio;
	disable-wp;
};

&uart0 {
	pinctrl-0 = <&uart0_cfg>;
	pinctrl-names = "default";
	status = "okay";
};