xref: /OK3568_Linux_fs/kernel/arch/mips/boot/dts/pic32/pic32mzda_sk.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

#include "pic32mzda.dtsi"

/ {
	compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda";
	model = "Microchip PIC32MZDA Starter Kit";

	memory {
		device_type = "memory";
		reg = <0x08000000 0x08000000>;
	};

	chosen {
		bootargs = "earlyprintk=ttyPIC1,115200n8r console=ttyPIC1,115200n8";
	};

	leds0 {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&user_leds_s0>;

		led@1 {
			label = "pic32mzda_sk:red:led1";
			gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		led@2 {
			label = "pic32mzda_sk:yellow:led2";
			gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "mmc0";
		};

		led@3 {
			label = "pic32mzda_sk:green:led3";
			gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	keys0 {
		compatible = "gpio-keys";
		pinctrl-0 = <&user_buttons_s0>;
		pinctrl-names = "default";

		#address-cells = <1>;
		#size-cells = <0>;

		button@sw1 {
			label = "ESC";
			linux,code = <1>;
			gpios = <&gpio1 12 0>;
		};

		button@sw2 {
			label = "Home";
			linux,code = <102>;
			gpios = <&gpio1 13 0>;
		};

		button@sw3 {
			label = "Menu";
			linux,code = <139>;
			gpios = <&gpio1 14 0>;
		};
	};
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart4>;
	status = "okay";
};

&sdhci {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_sdhc1>;
	status = "okay";
	assigned-clocks = <&rootclk REF2CLK>, <&rootclk REF4CLK>,
		<&rootclk REF5CLK>;
	assigned-clock-rates = <50000000>, <25000000>, <40000000>;
};

&pic32_pinctrl {

	pinctrl_sdhc1: sdhc1_pins0 {
		pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0";
		microchip,digital;
	};

	user_leds_s0: user_leds_s0 {
		pins = "H0", "H1", "H2";
		output-low;
		microchip,digital;
	};

	user_buttons_s0: user_buttons_s0 {
		pins = "B12", "B13", "B14";
		microchip,digital;
		input-enable;
		bias-pull-up;
	};

	pinctrl_uart2: pinctrl_uart2 {
		uart2-tx {
			pins = "G9";
			function = "U2TX";
			microchip,digital;
			output-high;
		};
		uart2-rx {
			pins = "B0";
			function = "U2RX";
			microchip,digital;
			input-enable;
		};
	};

	pinctrl_uart4: uart4-0 {
		uart4-tx {
			pins = "C3";
			function = "U4TX";
			microchip,digital;
			output-high;
		};
		uart4-rx {
			pins = "E8";
			function = "U4RX";
			microchip,digital;
			input-enable;
		};
	};
};