xref: /freebsd-src/sys/contrib/device-tree/src/arm/ti/omap/am335x-regor.dtsi (revision b2d2a78ad80ec68d4a17f5aef97d21686cb1e29b)

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2019 Phytec Messtechnik GmbH
 * Author: Teresa Remmet <t.remmet@phytec.de>
 *
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/am33xx.h>

/ {
	model = "Phytec AM335x phyBOARD-REGOR";
	compatible = "phytec,am335x-regor", "phytec,am335x-phycore-som", "ti,am33xx";

	vcc3v3: fixedregulator@1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
	};

	/* User IO */
	user_leds: user-leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&user_leds_pins>;

		run_stop-led {
			gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "gpio";
			default-state = "off";
		};

		error-led {
			gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "gpio";
			default-state = "off";
		};
	};
};

/* User Leds */
&am33xx_pinmux {
	user_leds_pins: pinmux-user-leds-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* lcd_hsync.gpio2_22 */
			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* mcasp0_fsx.gpio3_15 */
		>;
	};
};

/* CAN Busses */
&am33xx_pinmux {
	dcan1_pins: pinmux-dcan1-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT_PULLUP, MUX_MODE2)	/* uart0_ctsn.d_can1_tx */
			AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE2)	/* uart0_rtsn.d_can1_rx */
		>;
	};
};

&dcan1 {
	pinctrl-names = "default";
	pinctrl-0 = <&dcan1_pins>;
	status = "okay";
};

/* Ethernet */
&am33xx_pinmux {
	ethernet1_pins: pinmux-ethernet1-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a0.mii2_txen */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a1.mii2_rxdv */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a2.mii2_txd3 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a3.mii2_txd2 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a4.mii2_txd1 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a5.mii2_txd0 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a6.mii2_txclk */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a7.mii2_rxclk */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a8.mii2_rxd3 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT_PULLDOWN, MUX_MODE1)	 /* gpmc_a9.mii2_rxd2 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a10.mii2_rxd1 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a11.mii2_rxd0 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_wpn.mii2_rxerr */
			AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_ben1.mii2_col */
		>;
	};
};

&cpsw_port2 {
	status = "okay";
	phy-handle = <&phy1>;
	phy-mode = "mii";
	ti,dual-emac-pvid = <2>;
};

&davinci_mdio_sw {
	phy1: ethernet-phy@1 {
		reg = <1>;
	};
};

&mac_sw {
	pinctrl-names = "default";
	pinctrl-0 = <&ethernet0_pins &ethernet1_pins>;
};

/* GPIOs */
&am33xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&user_gpios_pins>;

	user_gpios_pins: pinmux-user-gpios-pins {
		pinctrl-single,pins = <
			/* DIGIN 1-4 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT, MUX_MODE7)		/* gpmc_ad11.gpio0_27 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT, MUX_MODE7)		/* gpmc_ad10.gpio0_26 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT, MUX_MODE7)		/* gpmc_ad9.gpio0_23 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT, MUX_MODE7)		/* gpmc_ad8.gpio0_22 */
			/* DIGOUT 1-4 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad15.gpio1_15 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad14.gpio1_14 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad13.gpio1_13 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad12.gpio1_12 */
		>;
	};
};

/* MMC */
&am33xx_pinmux {
	mmc1_pins: pinmux-mmc1-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT_PULLUP, MUX_MODE7)	/* spi0_cs1.mmc0_sdcd */
		>;
	};
};

&mmc1 {
	vmmc-supply = <&vcc3v3>;
	bus-width = <4>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
	status = "okay";
};

/* RTC */
&i2c_rtc {
	status = "okay";
};

/* UARTs */
&am33xx_pinmux {
	uart0_pins: pinmux-uart0-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};

	uart2_pins: pinmux-uart2-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE1)	/* mii1_tx_clk.uart2_rxd */
			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE1)	/* mii1_rx_clk.uart2_txd */
		>;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_pins>;
	status = "okay";
};

/* RS485 - UART1 */
&am33xx_pinmux {
	uart1_rs485_pins: pinmux-uart1-rs485-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_rs485_pins>;
	status = "okay";
	linux,rs485-enabled-at-boot-time;
	/*
	 * un-intuitively, yet with the default (active-high),
	 * am335x RTS is high on idle and gets low on active !
	 */
	rs485-rts-active-low;
};