arch/riscv/boot/dts/microchip/pic64gx-curiosity-kit.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Device Tree Source for the PIC64GX Curiosity Kit
 *
 * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Pierre-Henry Moussay <pierre-henry.moussay@microchip.com>
 *
 * The Curiosity-GX10000 (PIC64GX SoC Curiosity Kit) is a compact SoC
 * prototyping board featuring a Microchip PIC64GX SoC
 * PIC64GX-1000. Features include:
 *  - 1 GB DDR4 SDRAM
 *  - Gigabit Ethernet
 *  - microSD-card slot
 *
 * https://www.microchip.com/en-us/development-tool/curiosity-pic64gx1000-kit-es
 */

/dts-v1/;

#include "pic64gx.dtsi"
#include "pic64gx-pinctrl.dtsi"

/* Clock frequency (in Hz) of the rtcclk */
#define RTCCLK_FREQ	1000000

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	model = "Microchip PIC64GX Curiosity Kit";
	compatible = "microchip,pic64gx-curiosity-kit", "microchip,pic64gx";

	aliases {
		ethernet0 = &mac0;
		serial1 = &mmuart1;
		serial2 = &mmuart2;
	};

	chosen {
		stdout-path = "serial1:115200n8";
	};

	cpus {
		timebase-frequency = <RTCCLK_FREQ>;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x0 0x40000000>;
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		hss: hss-buffer@bfc00000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0xbfc00000 0x0 0x400000>;
			no-map;
		};
	};
};

&gpio0 {
	status ="okay";
	gpio-line-names =
		"", "", "", "", "", "", "", "",
		"", "", "", "", "MIPI_CAM_RESET", "MIPI_CAM_STANDBY";
};

&gpio1 {
	status ="okay";
	gpio-line-names =
		"", "", "LED1", "LED2", "LED3", "LED4", "LED5", "LED6",
		"LED7", "LED8", "", "", "", "", "", "",
		"", "", "", "", "HDMI_HPD", "", "", "GPIO_1_23";
};

&gpio2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mdio1_gpio>, <&spi0_gpio>, <&can0_gpio>, <&pcie_gpio>,
		    <&qspi_gpio>, <&uart3_gpio>, <&uart4_gpio>, <&can1_gpio>;
	status ="okay";
	gpio-line-names =
		"", "", "", "", "", "", "SWITCH2", "USR_IO12",
		"DIP1", "DIP2", "", "DIP3", "USR_IO1", "USR_IO2", "USR_IO7", "USR_IO8",
		"USR_IO3", "USR_IO4", "USR_IO5", "USR_IO6", "", "", "USR_IO9", "USR_IO10",
		"DIP4", "USR_IO11", "", "", "SWITCH1", "", "", "";
};

&i2c0 {
	status = "okay";
};

&i2c1 {
	status = "okay";
};

&irqmux {
	interrupt-map = <0 &plic 13>, <1 &plic 14>, <2 &plic 15>,
			<3 &plic 16>, <4 &plic 17>, <5 &plic 18>,
			<6 &plic 19>, <7 &plic 20>, <8 &plic 21>,
			<9 &plic 22>, <10 &plic 23>, <11 &plic 24>,
			<12 &plic 25>, <13 &plic 26>,

			<32 &plic 27>, <33 &plic 28>, <34 &plic 29>,
			<35 &plic 30>, <36 &plic 31>, <37 &plic 32>,
			<38 &plic 33>, <39 &plic 34>, <40 &plic 35>,
			<41 &plic 36>, <42 &plic 37>, <43 &plic 38>,
			<44 &plic 39>, <45 &plic 40>, <46 &plic 41>,
			<47 &plic 42>, <48 &plic 43>, <49 &plic 44>,
			<50 &plic 45>, <51 &plic 46>, <52 &plic 47>,
			<53 &plic 48>, <54 &plic 49>, <55 &plic 50>,

			<64 &plic 53>, <65 &plic 53>, <66 &plic 53>,
			<67 &plic 53>, <68 &plic 53>, <69 &plic 53>,
			<70 &plic 53>, <71 &plic 53>, <72 &plic 53>,
			<73 &plic 53>, <74 &plic 53>, <75 &plic 53>,
			<76 &plic 53>, <77 &plic 53>, <78 &plic 53>,
			<79 &plic 53>, <80 &plic 53>, <81 &plic 53>,
			<82 &plic 53>, <83 &plic 53>, <84 &plic 53>,
			<85 &plic 53>, <86 &plic 53>, <87 &plic 53>,
			<88 &plic 53>, <89 &plic 53>, <90 &plic 53>,
			<91 &plic 53>, <92 &plic 53>, <93 &plic 53>,
			<94 &plic 53>, <95 &plic 53>;
};

&mac0 {
	status = "okay";
	phy-mode = "sgmii";
	phy-handle = <&phy0>;
	pinctrl-names = "default";
	pinctrl-0 = <&mdio0_default>;

	phy0: ethernet-phy@b {
		reg = <0xb>;
	};
};

&mbox {
	status = "okay";
};

&mmc {
	bus-width = <4>;
	disable-wp;
	cap-sd-highspeed;
	cap-mmc-highspeed;
	sdhci-caps-mask = <0x00000007 0x00000000>;
	status = "okay";
};

&mmuart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_fio>;
	status = "okay";
};

&mmuart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_default>;
	status = "okay";
};

&refclk {
	clock-frequency = <125000000>;
};

&rtc {
	status = "okay";
};