// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * at91-me20.dts - Device Tree file for the Axentia ME20 1.0 board
 *
 * Copyright (C) 2022 Axentia Technologies AB
 *
 * Author: Peter Rosin <peda@axentia.se>
 */
/dts-v1/;

#include "at91-linea.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/pwm/pwm.h>

/ {
	model = "Axentia ME20 1.0";
	compatible = "axentia,me20", "axentia,linea",
		     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";

	phyxtal: oscillator {
		compatible = "fixed-clock";

		#clock-cells = <0>;
		clock-frequency = <25000000>;
		clock-output-names = "phyxtal";
	};

	phyclk: clock {
		compatible = "fixed-factor-clock";
		clocks = <&phyxtal>;
		#clock-cells = <0>;
		clock-div = <1>;
		clock-mult = <2>;
		clock-output-names = "phyclk";
	};

	reg_5v: att-regulator {
		compatible = "regulator-fixed";

		regulator-name = "5v-supply";
		regulator-min-microvolt = <30000000>;
		regulator-max-microvolt = <30000000>;
	};

	reg_30v: tune-regulator {
		compatible = "regulator-fixed";

		regulator-name = "30v-supply";
		regulator-min-microvolt = <30000000>;
		regulator-max-microvolt = <30000000>;
	};

	keys {
		compatible = "gpio-keys";

		pinctrl-0 = <&pinctrl_keys>;
		pinctrl-names = "default";

		back {
			label = "BACK";
			gpios = <&pioA 5 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_BACK>;
		};

		sel {
			label = "SEL";
			gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_SELECT>;
		};

		up {
			label = "UP";
			gpios = <&pioA 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_UP>;
		};

		down {
			label = "DOWN";
			gpios = <&pioA 8 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_DOWN>;
		};
	};
};

&pinctrl {
	me20 {
		pinctrl_keys: keys {
			atmel,pins = <AT91_PIOA 5 AT91_PERIPH_GPIO // BACK
				      AT91_PINCTRL_DEGLITCH
				      AT91_PIOA 6 AT91_PERIPH_GPIO // SEL
				      AT91_PINCTRL_DEGLITCH
				      AT91_PIOA 7 AT91_PERIPH_GPIO // UP
				      AT91_PINCTRL_DEGLITCH
				      AT91_PIOA 8 AT91_PERIPH_GPIO // DOWN
				      AT91_PINCTRL_DEGLITCH>;
		};

		pinctrl_usba_vbus: usba-vbus {
			atmel,pins = <AT91_PIOD 30 AT91_PERIPH_GPIO // UC-ID
				      AT91_PINCTRL_DEGLITCH>;
		};
	};
};

&nand {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		at91bootstrap@0 {
			label = "at91bootstrap";
			reg = <0x0 0x40000>;
		};

		barebox@40000 {
			label = "bootloader";
			reg = <0x40000 0x60000>;
		};

		bareboxenv@c0000 {
			label = "bareboxenv";
			reg = <0xc0000 0x40000>;
		};

		bareboxenv2@100000 {
			label = "bareboxenv2";
			reg = <0x100000 0x40000>;
		};

		oftree@180000 {
			label = "oftree";
			reg = <0x180000 0x20000>;
		};

		kernel@200000 {
			label = "kernel";
			reg = <0x200000 0x500000>;
		};

		rootfs@800000 {
			label = "rootfs";
			reg = <0x800000 0x0f800000>;
		};

		ovlfs@10000000 {
			label = "ovlfs";
			reg = <0x10000000 0x10000000>;
		};
	};
};

&i2c2 {
	status = "okay";

	tune-b@c { /* ti,dac121c081 */
		/* Clobbered by address 0x46. */
		/* Broadcast address 0x48. */
		compatible = "ti,dac7571";
		reg = <0xc>;
		vref-supply = <&reg_30v>;
		label = "tune-b";
	};

	tune-a@d {
		/* Clobbered by address 0x46. */
		/* Broadcast address 0x48. */
		compatible = "ti,dac7571";
		reg = <0xd>;
		vref-supply = <&reg_30v>;
		label = "tune-a";
	};

	att@e {
		/* Clobbered by address 0x47. */
		/* Broadcast address 0x48. */
		compatible = "ti,dac7571";
		reg = <0xe>;
		vref-supply = <&reg_5v>;
		label = "att";
	};

	gpio-a@38 {
		compatible = "nxp,pca9554";
		reg = <0x38>;
		gpio-controller;
		#gpio-cells = <2>;

		gpio-line-names =
			"AF1", "AF2", "AF3", "AF4",
			"HP", "PASS", "HP2", "/AMPA";
	};

	gpio-b@39 {
		compatible = "nxp,pca9554";
		reg = <0x39>;
		gpio-controller;
		#gpio-cells = <2>;

		gpio-line-names =
			"BF1", "BF2", "BF3", "BF4",
			"", "", "", "/AMPB";
	};

	oled@3c {
		compatible = "solomon,ssd1311";
		reg = <0x3c>;
		reset-gpios = <&pioD 29 GPIO_ACTIVE_LOW>;
		solomon,opr-gpios = <&pioD 26 GPIO_ACTIVE_HIGH
				     &pioD 28 GPIO_ACTIVE_HIGH>;
	};

	temp@4a {
		compatible = "atmel,at30ts74", "dallas,ds7505";
		reg = <0x4a>;
	};

	eeprom@50 {
		compatible = "st,24c64", "atmel,24c64";
		reg = <0x50>;
		pagesize = <32>;
		wp-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>;
	};

	tusb320@60 {
		compatible = "ti,tusb320";
		reg = <0x60>;
		interrupt-parent = <&pioA>;
		interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
	};
};

&watchdog {
	status = "okay";
};

/* GNSS, ttyS1 */
&usart0 {
	status = "okay";

	atmel,use-dma-rx;
};

/* RS232 port, ttyS2 */
&usart1 {
	status = "okay";

	pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
	atmel,use-dma-rx;
};

&macb1 {
	status = "okay";

	phy-mode = "rmii";

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

	phy0: ethernet-phy@1 {
		reg = <1>;
		clocks = <&phyclk>;
		reset-gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
		reset-assert-us = <100>;
		smsc,disable-energy-detect;
	};
};

&usb0 { /* gadget */
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usba_vbus>;
	atmel,vbus-gpio = <&pioD 30 GPIO_ACTIVE_HIGH>;
};

&usb1 { /* ohci */
	status = "okay";

	num-ports = <2>;
};

&usb2 { /* ehci */
	status = "okay";
};

/* ttyS0 */
&dbgu {
	status = "okay";

	dmas = <0>, <0>;	/*  Do not use DMA for dbgu */
};

&pioA {
	gpio-line-names =
/*  0 */	"232-PS", "232-MODE", "UB-RST", "E2-WP",
/*  4 */	"GPSO/O", "B-BACK", "B-SEL", "B-UP",
/*  8 */	"B-DOWN", "/UC-INT", "", "",
/* 12 */	"", "", "", "",
/* 16 */	"", "", "SDA", "SCL",
/* 20 */	"", "ALE", "CLE", "",
/* 24 */	"", "", "", "",
/* 28 */	"", "", "LINSDA", "LINSCL";
};

&pioB {
	gpio-line-names =
/*  0 */	"", "", "", "",
/*  4 */	"", "", "", "",
/*  8 */	"", "", "", "",
/* 12 */	"", "", "", "",
/* 16 */	"", "", "", "",
/* 20 */	"", "", "", "",
/* 24 */	"", "", "CTS-232", "RTS-232",
/* 28 */	"RX-232", "TX-232", "LINBRX", "LINBTX";
};

&pioC {
	gpio-line-names =
/*  0 */	"ETX0", "ETX1", "ERX0", "ERX1",
/*  4 */	"ETXEN", "ECRSDV", "ERXER", "EREFCK",
/*  8 */	"EMDC", "EMDIO", "", "",
/* 12 */	"", "", "", "",
/* 16 */	"CGB-PDB", "/ETH-RST", "CGA-PDB", "1PPS",
/* 20 */	"", "", "", "",
/* 24 */	"", "", "", "",
/* 28 */	"", "", "", "";
};

&pioD {
	gpio-line-names =
/*  0 */	"", "", "", "",
/*  4 */	"", "", "", "RFB-SIG>",
/*  8 */	"", "RFB-SIG<", "", "RFA-SIG>",
/* 12 */	"", "RFA-SIG<", "", "",
/* 16 */	"", "GNSS-TX", "GNSS-RX", "",
/* 20 */	"VREFEN", "", "", "",
/* 24 */	"", "", "D-OPR0", "",
/* 28 */	"D-OPR1", "/D-RES", "UC-ID", "";
};

&pioE {
	gpio-line-names =
/*  0 */	"", "", "", "",
/*  4 */	"", "", "", "",
/*  8 */	"", "", "", "",
/* 12 */	"", "", "", "",
/* 16 */	"", "", "", "",
/* 20 */	"", "", "", "",
/* 24 */	"", "", "", "",
/* 28 */	"", "", "", "";
};