linux/arch/arm/boot/dts/am437x-gp-evm.dts

/*
 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/* AM437x GP EVM */

/dts-v1/;

#include "am4372.dtsi"
#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "TI AM437x GP EVM";
	compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";

	vmmcsd_fixed: fixedregulator-sd {
		compatible = "regulator-fixed";
		regulator-name = "vmmcsd_fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		enable-active-high;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
		brightness-levels = <0 51 53 56 62 75 101 152 255>;
		default-brightness-level = <8>;
	};

	matrix_keypad: matrix_keypad@0 {
		compatible = "gpio-matrix-keypad";
		debounce-delay-ms = <5>;
		col-scan-delay-us = <2>;

		row-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH /* Bank3, pin21 */
				&gpio4 3 GPIO_ACTIVE_HIGH /* Bank4, pin3 */
				&gpio4 2 GPIO_ACTIVE_HIGH>; /* Bank4, pin2 */

		col-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH /* Bank3, pin19 */
				&gpio3 20 GPIO_ACTIVE_HIGH>; /* Bank3, pin20 */

		linux,keymap = <0x00000201      /* P1 */
				0x00010202      /* P2 */
				0x01000067      /* UP */
				0x0101006a      /* RIGHT */
				0x02000069      /* LEFT */
				0x0201006c>;      /* DOWN */
		};
};

&am43xx_pinmux {
	i2c0_pins: i2c0_pins {
		pinctrl-single,pins = <
			0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_sda.i2c0_sda */
			0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_scl.i2c0_scl */
		>;
	};

	i2c1_pins: i2c1_pins {
		pinctrl-single,pins = <
			0x15c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2)  /* spi0_cs0.i2c1_scl */
			0x158 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2)  /* spi0_d1.i2c1_sda  */
		>;
	};

	mmc1_pins: pinmux_mmc1_pins {
		pinctrl-single,pins = <
			0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
		>;
	};

	ecap0_pins: backlight_pins {
		pinctrl-single,pins = <
			0x164 MUX_MODE0       /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
		>;
	};
};

&i2c0 {
        status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&i2c0_pins>;
};

&i2c1 {
        status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&i2c1_pins>;
};

&epwmss0 {
	status = "okay";
};

&ecap0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&ecap0_pins>;
};

&gpio0 {
	status = "okay";
};

&gpio3 {
	status = "okay";
};

&gpio4 {
	status = "okay";
};

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