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Open Menu /sys/gnu/dts/arm/am335x-pcm-953.dtsi 
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// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014-2017 Phytec Messtechnik GmbH
 * Author: Wadim Egorov <w.egorov@phytec.de>
 *	   Teresa Remmet <t.remmet@phytec.de>
 */

#include <dt-bindings/input/input.h>

/ {
	model = "Phytec AM335x PCM-953";
	compatible = "phytec,am335x-pcm-953", "phytec,am335x-phycore-som", "ti,am33xx";

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

		vcc1v8: fixedregulator@2 {
			compatible = "regulator-fixed";
			regulator-name = "vcc1v8";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-boot-on;
		};
	};

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

		user-led0 {
			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "gpio";
			default-state = "on";
		};

		user-led1 {
			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "gpio";
			default-state = "on";
		};
	};

	user_buttons: user_buttons {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&user_buttons_pins>;

		button@0 {
			label = "home";
			linux,code = <KEY_HOME>;
			gpios = <&gpio3 7 GPIO_ACTIVE_HIGH>;
			wakeup-source;
		};

		button@1 {
			label = "menu";
			linux,code = <KEY_MENU>;
			gpios = <&gpio3 8 GPIO_ACTIVE_HIGH>;
			wakeup-source;
		};

	};
};

&am33xx_pinmux {
	user_buttons_pins: pinmux_user_buttons {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_EMU0, PIN_INPUT_PULLDOWN, MUX_MODE7)	/* emu0.gpio3_7 */
			AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_INPUT_PULLDOWN, MUX_MODE7)	/* emu1.gpio3_8 */
		>;
	};

	user_leds_pins: pinmux_user_leds {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* gpmc_csn1.gpio1_30 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* gpmc_csn2.gpio1_31 */
		>;
	};
};

/* CAN */
&am33xx_pinmux {
	dcan1_pins: pinmux_dcan1 {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_OUTPUT_PULLUP, MUX_MODE2)	/* uart1_rxd.dcan1_tx_mux2 */
			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_INPUT_PULLUP, MUX_MODE2)	/* uart1_txd.dcan1_rx_mux2 */
		>;
	};
};

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

/* Ethernet */
&am33xx_pinmux {
	ethernet1_pins: pinmux_ethernet1 {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a0.rgmii2_tctl */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a1.rgmii2_rctl */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a2.rgmii2_td3 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a3.rgmii2_td2 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a4.rgmii2_td1 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a5.rgmii2_td0 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a6.rgmii2_tclk */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a7.rgmii2_rclk */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_INPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a8.rgmii2_rd3 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a9.rgmii2_rd2 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a10.rgmii2_rd1 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLDOWN, MUX_MODE2)	/* gpmc_a11.rgmii2_rd0 */
		>;
	};
};

&cpsw_emac1 {
	phy-handle = <&phy1>;
	phy-mode = "rgmii-id";
	dual_emac_res_vlan = <2>;
	status = "okay";
};

&davinci_mdio {
	phy1: ethernet-phy@2 {
		reg = <2>;
	};
};

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

/* Misc */
&am33xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&cb_gpio_pins>;

	cb_gpio_pins: pinmux_cb_gpio {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* uart0_ctsn.gpio1_8 */
			AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* uart0_rtsn.gpio1_9 */
		>;
	};
};

/* 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";
};

/* UARTs */
&am33xx_pinmux {
	uart0_pins: pinmux_uart0 {
		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)
		>;
	};

	uart1_pins: pinmux_uart1 {
		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_CTSN, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};

	uart2_pins: pinmux_uart2 {
		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 */
		>;
	};

	uart3_pins: pinmux_uart3 {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1)	/* mii1_rxd3.uart3_rxd */
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1)	/* mii1_rxd2.uart3_txd */
		>;
	};
};

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

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;
};

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

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart3_pins>;
	status = "okay";
};

/* USB */
&usb1 {
	dr_mode = "host";
};