arch/arm/dts/am335x-regor.dtsi

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

/ {
	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 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8E0, PIN_OUTPUT_PULLDOWN | MUX_MODE7)	/* lcd_hsync.gpio2_22 */
			AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLDOWN | MUX_MODE7)	/* mcasp0_fsx.gpio3_15 */
		>;
	};
};

/* CAN Busses */
&am33xx_pinmux {
	dcan1_pins: pinmux_dcan1 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x968, PIN_OUTPUT_PULLUP | MUX_MODE2)	/* uart0_ctsn.d_can1_tx */
			AM33XX_IOPAD(0x96C, 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 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x840, PIN_OUTPUT | MUX_MODE1)		/* gpmc_a0.mii2_txen */
			AM33XX_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_a1.mii2_rxdv */
			AM33XX_IOPAD(0x848, PIN_OUTPUT | MUX_MODE1)		/* gpmc_a2.mii2_txd3 */
			AM33XX_IOPAD(0x84C, PIN_OUTPUT | MUX_MODE1)		/* gpmc_a3.mii2_txd2 */
			AM33XX_IOPAD(0x850, PIN_OUTPUT | MUX_MODE1)		/* gpmc_a4.mii2_txd1 */
			AM33XX_IOPAD(0x854, PIN_OUTPUT | MUX_MODE1)		/* gpmc_a5.mii2_txd0 */
			AM33XX_IOPAD(0x858, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_a6.mii2_txclk */
			AM33XX_IOPAD(0x85C, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_a7.mii2_rxclk */
			AM33XX_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_a8.mii2_rxd3 */
			AM33XX_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE1)	 /* gpmc_a9.mii2_rxd2 */
			AM33XX_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_a10.mii2_rxd1 */
			AM33XX_IOPAD(0x86C, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_a11.mii2_rxd0 */
			AM33XX_IOPAD(0x874, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_wpn.mii2_rxerr */
			AM33XX_IOPAD(0x878, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* gpmc_ben1.mii2_col */
		>;
	};
};

&cpsw_emac1 {
	phy-handle = <&phy1>;
	phy-mode = "mii";
	dual_emac_res_vlan = <2>;
};

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

&mac {
	slaves = <2>;
	pinctrl-names = "default";
	pinctrl-0 = <&ethernet0_pins &ethernet1_pins>;
	dual_emac = <1>;
};

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

	user_gpios_pins: pinmux_user_gpios {
		pinctrl-single,pins = <
			/* DIGIN 1-4 */
			AM33XX_IOPAD(0x82C, PIN_INPUT | MUX_MODE7)		/* gpmc_ad11.gpio0_27 */
			AM33XX_IOPAD(0x828, PIN_INPUT | MUX_MODE7)		/* gpmc_ad10.gpio0_26 */
			AM33XX_IOPAD(0x824, PIN_INPUT | MUX_MODE7)		/* gpmc_ad9.gpio0_23 */
			AM33XX_IOPAD(0x820, PIN_INPUT | MUX_MODE7)		/* gpmc_ad8.gpio0_22 */
			/* DIGOUT 1-4 */
			AM33XX_IOPAD(0x83C, PIN_OUTPUT | MUX_MODE7)		/* gpmc_ad15.gpio1_15 */
			AM33XX_IOPAD(0x838, PIN_OUTPUT | MUX_MODE7)		/* gpmc_ad14.gpio1_14 */
			AM33XX_IOPAD(0x834, PIN_OUTPUT | MUX_MODE7)		/* gpmc_ad13.gpio1_13 */
			AM33XX_IOPAD(0x830, PIN_OUTPUT | MUX_MODE7)		/* gpmc_ad12.gpio1_12 */
		>;
	};
};

/* MMC */
&am33xx_pinmux {
	mmc1_pins: pinmux_mmc1 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8F0, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x8F4, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x8F8, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x8FC, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x960, 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 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
		>;
	};

	uart2_pins: pinmux_uart2 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x92C, PIN_INPUT_PULLUP | MUX_MODE1)	/* mii1_tx_clk.uart2_rxd */
			AM33XX_IOPAD(0x930, 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_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
			AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLUP | MUX_MODE0)
		>;
	};
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_rs485_pins>;
	status = "okay";
	linux,rs485-enabled-at-boot-time;
};