u-boot/arch/arm/dts/am335x-pocketbeagle.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Author: Robert Nelson <robertcnelson@gmail.com>
 */
/dts-v1/;

#include "am33xx.dtsi"
#include "am335x-osd335x-common.dtsi"

/ {
	model = "TI AM335x PocketBeagle";
	compatible = "ti,am335x-pocketbeagle", "ti,am335x-bone", "ti,am33xx";

	chosen {
		stdout-path = &uart0;
	};

	leds {
		pinctrl-names = "default";
		pinctrl-0 = <&usr_leds_pins>;

		compatible = "gpio-leds";

		led-usr0 {
			label = "beaglebone:green:usr0";
			gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			default-state = "off";
		};

		led-usr1 {
			label = "beaglebone:green:usr1";
			gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "mmc0";
			default-state = "off";
		};

		led-usr2 {
			label = "beaglebone:green:usr2";
			gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "cpu0";
			default-state = "off";
		};

		led-usr3 {
			label = "beaglebone:green:usr3";
			gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
	};

	vmmcsd_fixed: fixedregulator0 {
		compatible = "regulator-fixed";
		regulator-name = "vmmcsd_fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};
};

&am33xx_pinmux {
	i2c2_pins: pinmux-i2c2-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_INPUT_PULLUP, MUX_MODE3)	/* (D17) uart1_rtsn.I2C2_SCL */
			AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE3)	/* (D18) uart1_ctsn.I2C2_SDA */
		>;
	};

	ehrpwm0_pins: pinmux-ehrpwm0-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE1)	/* (A13) mcasp0_aclkx.ehrpwm0A */
		>;
	};

	ehrpwm1_pins: pinmux-ehrpwm1-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT_PULLDOWN, MUX_MODE6)	/* (U14) gpmc_a2.ehrpwm1A */
		>;
	};

	mmc0_pins: pinmux-mmc0-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7)		/* (C15) spi0_cs1.gpio0[6] */
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_IOPAD(0x9a0, PIN_INPUT | MUX_MODE4)		/* (B12) mcasp0_aclkr.mmc0_sdwp */
		>;
	};

	spi0_pins: pinmux-spi0-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
		>;
	};

	spi1_pins: pinmux-spi1-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE4)	/* (C18) eCAP0_in_PWM0_out.spi1_sclk */
			AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLUP, MUX_MODE4)	/* (E18) uart0_ctsn.spi1_d0 */
			AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE4)	/* (E17) uart0_rtsn.spi1_d1 */
			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_INPUT_PULLUP, MUX_MODE4)	/* (A15) xdma_event_intr0.spi1_cs1 */
		>;
	};

	usr_leds_pins: pinmux-usr-leds-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7)		/* (V15) gpmc_a5.gpio1[21] - USR_LED_0 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_OUTPUT, MUX_MODE7)		/* (U15) gpmc_a6.gpio1[22] - USR_LED_1 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_OUTPUT, MUX_MODE7)		/* (T15) gpmc_a7.gpio1[23] - USR_LED_2 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT, MUX_MODE7)		/* (V16) gpmc_a8.gpio1[24] - USR_LED_3 */
		>;
	};

	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)
		>;
	};

	uart4_pins: pinmux-uart4-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE6)	/* (T17) gpmc_wait0.uart4_rxd */
			AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLDOWN, MUX_MODE6)	/* (U17) gpmc_wpn.uart4_txd */
		>;
	};
};

&epwmss0 {
	status = "okay";
};

&ehrpwm0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&ehrpwm0_pins>;
};

&epwmss1 {
	status = "okay";
};

&ehrpwm1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&ehrpwm1_pins>;
};

&i2c0 {
	eeprom: eeprom@50 {
		compatible = "atmel,24c256";
		reg = <0x50>;
	};
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_pins>;

	status = "okay";
	clock-frequency = <400000>;
};

&mmc1 {
	status = "okay";
	vmmc-supply = <&vmmcsd_fixed>;
	bus-width = <4>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
};

&rtc {
	system-power-controller;
};

&tscadc {
	status = "okay";
	adc {
		ti,adc-channels = <0 1 2 3 4 5 6 7>;
		ti,chan-step-avg = <16 16 16 16 16 16 16 16>;
		ti,chan-step-opendelay = <0x98 0x98 0x98 0x98 0x98 0x98 0x98 0x98>;
		ti,chan-step-sampledelay = <0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0>;
	};
};

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

	status = "okay";
};

&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart4_pins>;

	status = "okay";
};

&usb {
	status = "okay";
};

&usb_ctrl_mod {
	status = "okay";
};

&usb0_phy {
	status = "okay";
};

&usb0 {
	status = "okay";
	dr_mode = "otg";
};

&usb1_phy {
	status = "okay";
};

&usb1 {
	status = "okay";
	dr_mode = "host";
};

&cppi41dma  {
	status = "okay";
};