// SPDX-License-Identifier: GPL-2.0
// SPDX-FileCopyrightText: 2018 Sam Ravnborg <sam@ravnborg.org>

/*
 * Device Tree file for SKOV ARM9 CPU board with 128 MB RAM and
 * Logic Technology Display
 */

/dts-v1/;

#include "arm/at91sam9263.dtsi"

/ {
	model = "SKOV ARM9 CPU";
	compatible = "skov,arm9-cpu", "atmel,at91sam9263", "atmel,at91sam9";

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

		environment {
			compatible = "barebox,environment";
			device-path = &environment_nor;
		};
	};

	flash: nor_flash@10000000 {
		compatible = "cfi-flash";
		reg = <0x10000000 0x4000000>;
		linux,mtd-name = "physmap-flash.0";
		bank-width = <2>;
		#address-cells = <1>;
		#size-cells = <1>;

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

			barebox@0 {
				label = "bootloader";
				reg = <0x00000 0x80000>;
			};

			environment_nor: env@80000 {
				label = "environment";
				reg = <0x80000 0x20000>;
			};

			linux@a0000 {
				label = "linux";
				reg = <0xa0000 0x2a0000>;
			};

			rootfs@340000  {
				label = "rootfs";
				reg = <0x340000 0x3cc0000>;
			};
		};
	};

	leds {
		compatible = "gpio-leds";

		D0 {
			label = "D0";
			gpios = <&pioD 0 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};

		D1 {
			label = "D1";
			gpios = <&pioD 1 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "mmc0";
		};

		D2 {
			label = "D2";
			gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
		};

		led_0 {
			label = "led_0";
			gpios = <&pioB 14 GPIO_ACTIVE_LOW>;
		};

		led_1 {
			label = "led_1";
			gpios = <&pioB 23 GPIO_ACTIVE_LOW>;
		};

		led_2 {
			label = "led_2";
			gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
		};

		led_3 {
			label = "led_3";
			gpios = <&pioB 22 GPIO_ACTIVE_LOW>;
		};

		led_4 {
			label = "led_4";
			gpios = <&pioA 22 GPIO_ACTIVE_LOW>;
		};

		led_5 {
			label = "led_5";
			gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
		};

		led_6 {
			label = "led_6";
			gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
		};

		led_7 {
			label = "led_7";
			gpios = <&pioA 20 GPIO_ACTIVE_LOW>;
		};
	};

	i2c-gpio-0 {
		status = "okay";

		24c512@50 {
			compatible = "24c512";
			reg = <0x50>;
			pagesize = <128>;
		};
	};

	rotary-encoder {
		compatible = "rotary-encoder";
		gpios = <&pioB 19 GPIO_ACTIVE_LOW>, <&pioB 20 GPIO_ACTIVE_LOW>;
		linux,axis = <0>; /* REL_X */
		rotary-encoder,steps-per-period = <4>;
		rotary-encoder,relative-axis;
	};

	gpio-keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		rotary_button {
			label = "rotary_button";
			gpios = <&pioB 15 GPIO_ACTIVE_LOW>;
			debounce-interval = <10>;
			linux,code = <28>; /* enter */
		};
	};

	matrix-keypad-6x5 {
		compatible = "gpio-matrix-keypad";
		debounce-delay-ms = <10>;
		col-scan-delay-us = <10>;

		row-gpios = <&pioB 25 GPIO_ACTIVE_HIGH    /* 1 */
			     &pioB 21 GPIO_ACTIVE_HIGH    /* 2 */
			     &pioB 16 GPIO_ACTIVE_HIGH    /* 3 */
			     &pioB 24 GPIO_ACTIVE_HIGH    /* 4 */
			     &pioB 12 GPIO_ACTIVE_HIGH>;  /* 5 */

		col-gpios = <&pioB 13 GPIO_ACTIVE_HIGH    /* 1 */
			     &pioB 17 GPIO_ACTIVE_HIGH    /* 2 */
			     &pioA 25 GPIO_ACTIVE_HIGH    /* 3 */
			     &pioA 21 GPIO_ACTIVE_HIGH    /* 4 */
			     &pioA 19 GPIO_ACTIVE_HIGH    /* 5 */
			     &pioA 18 GPIO_ACTIVE_HIGH>;  /* 6 */


		linux,keymap = <
			0x00000011 /* col0 row0 KEY_W */
			0x01000021 /* col0 row1 KEY_F */
			0x02000031 /* col0 row2 KEY_N */
			0x03000041 /* col0 row3 KEY_F7 */
			0x04000051 /* col0 row4 KEY_KP3 */
			0x00010012 /* col1 row0 KEY_E */
			0x01010022 /* col1 row1 KEY_G */
			0x02010032 /* col1 row2 KEY_M */
			0x03010042 /* col1 row3 KEY_F8 */
			0x04010052 /* col1 row4 KEY_KP0 */
			0x00020013 /* col2 row0 KEY_R */
			0x01020023 /* col2 row1 KEY_H */
			0x02020033 /* col2 row2 KEY_COMMA */
			0x03020043 /* col2 row3 KEY_F9 */
			0x04020053 /* col2 row4 KEY_F9 */
			0x00030014 /* col3 row0 KEY_T */
			0x01030024 /* col3 row1 KEY_J */
			0x02030034 /* col3 row2 KEY_DOT */
			0x03030044 /* col3 row3 KEY_NUMLOCK */
			0x04030054 /* col3 row4 */
			0x00040015 /* col4 row0 KEY_Y */
			0x01040025 /* col4 row1 KEY_K */
			0x02040035 /* col4 row2 KEY_SLASH */
			0x03040045 /* col4 row3 KEY_NUMLOCK */
			0x04040055 /* col4 row4 KEY_ZENKAKUHANKAKU */
			0x00050016 /* col5 row0 KEY_U */
			0x01050026 /* col5 row1 KEY_L */
			0x02050036 /* col5 row2 KEY_RIGH_SHIFT */
			0x03050046 /* col5 row3 KEY_SCROLLLOCK */
			0x04050056 /* col5 row4 KEY_102ND */
		>;
	};
};

&{/ahb/apb} {
	pinctrl: pinctrl@fffff200 {
	};

	watchdog@fffffd40 {
		status = "okay";
	};
};

&dbgu {
	status = "okay";
};

&fb0 {
	status = "okay";
	display = <&display0>;
	display0: display0 {
		bits-per-pixel = <16>;
		atmel,lcdcon-backlight;
		atmel,dmacon = <0x1>;
		atmel,lcdcon2 = <0x80008002>;
		atmel,guard-time = <1>;
		atmel,lcd-wiring-mode = "BRG";
		pinctrl-names = "default";
		pinctrl-0 = <
			&pinctrl_board_fb
			&pinctrl_disp_type
			&pinctrl_logic_type
		>;

		atmel,power-control-gpio = <&pioA 30 GPIO_ACTIVE_HIGH>;

		display-timings {
			native-mode = <&l2rt>;

			l2rt: l2rt {
				/* LTTD800480070-L2RT @ 55 */
				clock-frequency = <30000000>;
				hactive = <800>;
				vactive = <480>;
				/* Atmel calculation
				 * Horizontal =
				 * Hsync + left margin + picture + right_margin + 1
				 * (3 + 85 + 800 + 0 + 1 = 889)
				 */
				hback-porch = <85>;
				hfront-porch = <1>;
				hsync-len = <3>;
				/* Vertical =
				 * upper margin + picture + lower_margin
				 * (32 + 480 + 1 = 513) (25MHz / ( 889 * 513 ) = 54,8Hz
				 */
				vback-porch = <32>;
				vfront-porch = <1>;
				vsync-len = <3>;
				pixelclk-active = <1>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
			};

			l6whrt: l6whrt {
				clock-frequency = <33000000>;
				hactive = <800>;
				vactive = <480>;
				hback-porch = <43>;
				hfront-porch = <154>;
				vback-porch = <20>;
				vfront-porch = <47>;
				hsync-len = <3>;
				vsync-len = <3>;
				pixelclk-active = <1>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
			};

			seiko: seiko {
				/* 70WVW2AZ0 @ 55 */
				clock-frequency = <33000000>;
				hactive = <800>;
				vactive = <480>;
				hback-porch = <0>;
				hfront-porch = <256>;
				vback-porch = <45>;
				vfront-porch = <0>;
				hsync-len = <0>;
				vsync-len = <0>;
				pixelclk-active = <1>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
			};
		};
	};
};

&macb0 {
	status = "okay";
	phy-mode = "rmii";
	#address-cells = <1>;
	#size-cells = <0>;

	ethphy0: ethernet-phy@1 {
		reg = <3>;
		reset-gpios = <&pioE 17 GPIO_ACTIVE_LOW>;
		reset-assert-us = <1000>;
		reset-deassert-us = <100>;
	};
};

&main_xtal {
	clock-frequency = <16000000>;
};

&mmc1 {
	status = "okay";
	pinctrl-0 = <
		&pinctrl_board_mmc1
		&pinctrl_mmc1_clk
		&pinctrl_mmc1_slot0_cmd_dat0
		&pinctrl_mmc1_slot0_dat1_3>;
	cd-gpios = <&pioE 18 GPIO_ACTIVE_HIGH>;
	slot@0 {
		reg = <0>;
		bus-width = <4>;
		cd-gpios = <&pioE 18 GPIO_ACTIVE_HIGH>;
		wp-gpios = <&pioE 19 GPIO_ACTIVE_HIGH>;
	};
};

&pinctrl {
	mmc1 {
		pinctrl_board_mmc1: mmc1-board {
			atmel,pins =
				<AT91_PIOE 18 AT91_PERIPH_GPIO
				 AT91_PINCTRL_PULL_UP_DEGLITCH 	/* PE18 gpio CD pin pull up and deglitch */
				 AT91_PIOE 19 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;	/* PE19 gpio WP pin pull up */
		};
	};

	display_type_inputs {
		pinctrl_disp_type: disp_type-0 {
			/* Pull-up (HIGH) if Seiko display, otherwise Logic display */
			atmel,pins =
				<AT91_PIOD 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
		};
		pinctrl_logic_type: logic_type-0 {
			/* Pull-down (LOW) if l6whrt display, otherwise l2rt display */
			atmel,pins =
				<AT91_PIOC 28 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
		};
	};

	fb {
		pinctrl_board_fb: fb-0 {
			atmel,pins =
			       <AT91_PIOC 0  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDVSYNC */
				AT91_PIOC 1  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDHSYNC */
				AT91_PIOC 2  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDDOTCK */
				AT91_PIOC 3  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDDEN */
				AT91_PIOB 9  AT91_PERIPH_B AT91_PINCTRL_NONE    /* LCDCC */
				AT91_PIOC 6  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD2 */
				AT91_PIOC 7  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD3 */
				AT91_PIOC 8  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD4 */
				AT91_PIOC 9  AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD5 */
				AT91_PIOC 10 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD6 */
				AT91_PIOC 11 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD7 */
				AT91_PIOC 14 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD10 */
				AT91_PIOC 15 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD11 */
				AT91_PIOC 16 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD12 */
				AT91_PIOC 12 AT91_PERIPH_B AT91_PINCTRL_NONE    /* LCDD13 */
				AT91_PIOC 18 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD14 */
				AT91_PIOC 19 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD15 */
				AT91_PIOC 22 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD18 */
				AT91_PIOC 23 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD19 */
				AT91_PIOC 24 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD20 */
				AT91_PIOC 17 AT91_PERIPH_B AT91_PINCTRL_NONE    /* LCDD21 */
				AT91_PIOC 26 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD22 */
				AT91_PIOC 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;  /* LCDD23 */
		};
	};

	pwm0 {
		pinctrl_pwm0: pwm0_pwm1 {
			atmel,pins = <AT91_PIOB 8 AT91_PERIPH_B AT91_PINCTRL_NONE>;
		};
	};
};

&pwm0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm0>;
};

&slow_xtal {
	clock-frequency = <32768>;
};

&spi0 {
	status = "okay";
	cs-gpios = <&pioA 3 0>, <&pioB 11 0>;

	mcp3002@0 {
		compatible = "microchip,mcp3002";
		reg = <0>;
		spi-max-frequency = <750000>;
	};

	tsc2046@1 {
		compatible = "ti,tsc2046";
		reg = <1>;
		interrupts-extended = <&pioA 15 IRQ_TYPE_EDGE_BOTH>;
		spi-max-frequency = <500000>;
		pendown-gpio = <&pioA 15 GPIO_ACTIVE_LOW>;

		ti,x-min = /bits/ 16 <800>;
		ti,x-max = /bits/ 16 <3830>;
		ti,y-min = /bits/ 16 <500>;
		ti,y-max = /bits/ 16 <3830>;
		ti,vref-delay-usecs = /bits/ 16 <300>;
		ti,x-plate-ohms = /bits/ 16 <642>;
		ti,y-plate-ohms = /bits/ 16 <295>;
		ti,pressure-max = /bits/ 16 <1500>;
		ti,debounce-rep = /bits/ 16 <8>;
		ti,debounce-tol = /bits/ 16 <(~0)>;
		ti,debounce-max = /bits/ 16 <100>;

		wakeup-source;
	};
};

&usart0 {
	status = "okay";
	pinctrl-0 = <
		&pinctrl_usart0
		&pinctrl_usart0_rts
		&pinctrl_usart0_cts>;
};

&usb0 {
	status = "okay";
	num-ports = <2>;
};