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Commit 4341881d authored by Ash Charles's avatar Ash Charles Committed by Tony Lindgren
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ARM: dts: Add devicetree for Gumstix Pepper board 

This adds the Gumstix Pepper[1] single-board computer based on the
TI AM335x processor. Schematics are available [2].

[1] https://store.gumstix.com/index.php/products/344/
[2] https://pubs.gumstix.com/boards/PEPPER/



Signed-off-by: default avatarAsh Charles <ashcharles@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 5a0b1b4d

arch/arm/boot/dts/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -291,7 +291,8 @@ dtb-$(CONFIG_SOC_AM33XX) += am335x-base0033.dtb \ 
	am335x-boneblack.dtb \

	am335x-evm.dtb \

	am335x-evmsk.dtb \

	am335x-nano.dtb

	am335x-nano.dtb \

	am335x-pepper.dtb

dtb-$(CONFIG_ARCH_OMAP4) += omap4-duovero-parlor.dtb \

	omap4-panda.dtb \

	omap4-panda-a4.dtb \

arch/arm/boot/dts/am335x-pepper.dts

0 → 100644
+653 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2014 Gumstix, Inc. - https://www.gumstix.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.

 */

/dts-v1/;



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

#include "am33xx.dtsi"



/ {

	model = "Gumstix Pepper";

	compatible = "gumstix,am335x-pepper", "ti,am33xx";



	cpus {

		cpu@0 {

			cpu0-supply = <&dcdc3_reg>;

		};

	};



	memory {

		device_type = "memory";

		reg = <0x80000000 0x20000000>; /* 512 MB */

	};



	buttons: user_buttons {

		compatible = "gpio-keys";

	};



	leds: user_leds {

		compatible = "gpio-leds";

	};



	panel: lcd_panel {

		compatible = "ti,tilcdc,panel";

	};



	sound: sound_iface {

		compatible = "ti,da830-evm-audio";

	};



	vbat: fixedregulator@0 {

		compatible = "regulator-fixed";

	};



	v3v3c_reg: fixedregulator@1 {

		compatible = "regulator-fixed";

	};



	vdd5_reg: fixedregulator@2 {

		compatible = "regulator-fixed";

	};

};



/* I2C Busses */

&i2c0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&i2c0_pins>;



	clock-frequency = <400000>;



	tps: tps@24 {

		reg = <0x24>;

	};



	eeprom: eeprom@50 {

		compatible = "at,24c256";

		reg = <0x50>;

	};



	audio_codec: tlv320aic3106@1b {

		compatible = "ti,tlv320aic3106";

		reg = <0x1b>;

	};



	accel: lis331dlh@1d {

		compatible = "st,lis3lv02d";

		reg = <0x1d>;

	};

};



&i2c1 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&i2c1_pins>;

	clock-frequency = <400000>;

};



&am33xx_pinmux {

	i2c0_pins: pinmux_i2c0 {

		pinctrl-single,pins = <

			0x188 (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */

			0x18c (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */

		>;

	};

	i2c1_pins: pinmux_i2c1 {

		pinctrl-single,pins = <

			0x10C (PIN_INPUT_PULLUP | MUX_MODE3)	/* mii1_crs,i2c1_sda */

			0x110 (PIN_INPUT_PULLUP | MUX_MODE3)	/* mii1_rxerr,i2c1_scl */

		>;

	};

};



/* Accelerometer */

&accel {

	pinctrl-names = "default";

	pinctrl-0 = <&accel_pins>;



	Vdd-supply = <&ldo3_reg>;

	Vdd_IO-supply = <&ldo3_reg>;

	st,irq1-click;

	st,wakeup-x-lo;

	st,wakeup-x-hi;

	st,wakeup-y-lo;

	st,wakeup-y-hi;

	st,wakeup-z-lo;

	st,wakeup-z-hi;

	st,min-limit-x = <92>;

	st,max-limit-x = <14>;

	st,min-limit-y = <14>;

	st,max-limit-y = <92>;

	st,min-limit-z = <92>;

	st,max-limit-z = <14>;

};



&am33xx_pinmux {

	accel_pins: pinmux_accel {

		pinctrl-single,pins = <

			0x98 (PIN_INPUT | MUX_MODE7)   /* gpmc_wen.gpio2_4 */

		>;

	};

};



/* Audio */

&audio_codec {

	status = "okay";



	gpio-reset = <&gpio1 16 GPIO_ACTIVE_LOW>;

	AVDD-supply = <&ldo3_reg>;

	IOVDD-supply = <&ldo3_reg>;

	DRVDD-supply = <&ldo3_reg>;

	DVDD-supply = <&dcdc1_reg>;

};



&sound {

	ti,model = "AM335x-EVM";

	ti,audio-codec = <&audio_codec>;

	ti,mcasp-controller = <&mcasp0>;

	ti,codec-clock-rate = <12000000>;

	ti,audio-routing =

		"Headphone Jack",	"HPLOUT",

		"Headphone Jack",	"HPROUT",

		"LINE1L",		"Line In";

};



&mcasp0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&audio_pins>;



	op-mode = <0>;	/* MCASP_ISS_MODE */

	tdm-slots = <2>;

	serial-dir = <

		1 2 0 0

		0 0 0 0

		0 0 0 0

		0 0 0 0

	>;

	tx-num-evt = <1>;

	rx-num-evt = <1>;

};



&am33xx_pinmux {

	audio_pins: pinmux_audio {

		pinctrl-single,pins = <

			0x1AC (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* mcasp0_ahcklx.mcasp0_ahclkx */

			0x194 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* mcasp0_fsx.mcasp0_fsx */

			0x190 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* mcasp0_aclkx.mcasp0_aclkx */

			0x198 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* mcasp0_axr0.mcasp0_axr0 */

			0x1A8 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* mcasp0_axr1.mcasp0_axr1 */

			0x40 (PIN_OUTPUT | MUX_MODE7)	/* gpmc_a0.gpio1_16 */

		>;

	};

};



/* Display: 24-bit LCD Screen */

&panel {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&lcd_pins>;

	panel-info {

		ac-bias = <255>;

		ac-bias-intrpt = <0>;

		dma-burst-sz = <16>;

		bpp = <32>;

		fdd = <0x80>;

		sync-edge = <0>;

		sync-ctrl = <1>;

		raster-order = <0>;

		fifo-th = <0>;

	};

	display-timings {

		native-mode = <&timing0>;

		timing0: 480x272 {

			clock-frequency = <18400000>;

			hactive = <480>;

			vactive = <272>;

			hfront-porch = <8>;

			hback-porch = <4>;

			hsync-len = <41>;

			vfront-porch = <4>;

			vback-porch = <2>;

			vsync-len = <10>;

			hsync-active = <1>;

			vsync-active = <1>;

		};

	};

};



&lcdc {

	status = "okay";

};



&am33xx_pinmux {

	lcd_pins: pinmux_lcd {

		pinctrl-single,pins = <

			0xa0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data0.lcd_data0 */

			0xa4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data1.lcd_data1 */

			0xa8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data2.lcd_data2 */

			0xac (PIN_OUTPUT | MUX_MODE0)	/* lcd_data3.lcd_data3 */

			0xb0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data4.lcd_data4 */

			0xb4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data5.lcd_data5 */

			0xb8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data6.lcd_data6 */

			0xbc (PIN_OUTPUT | MUX_MODE0)	/* lcd_data7.lcd_data7 */

			0xc0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data8.lcd_data8 */

			0xc4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data9.lcd_data9 */

			0xc8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data10.lcd_data10 */

			0xcc (PIN_OUTPUT | MUX_MODE0)	/* lcd_data11.lcd_data11 */

			0xd0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data12.lcd_data12 */

			0xd4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data13.lcd_data13 */

			0xd8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data14.lcd_data14 */

			0xdc (PIN_OUTPUT | MUX_MODE0)	/* lcd_data15.lcd_data15 */

			0x20 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad8.lcd_data16 */

			0x24 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad9.lcd_data17 */

			0x28 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad10.lcd_data18 */

			0x2c (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad11.lcd_data19 */

			0x30 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad12.lcd_data20 */

			0x34 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad13.lcd_data21 */

			0x38 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad14.lcd_data22 */

			0x3c (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad15.lcd_data23 */

			0xe0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_vsync.lcd_vsync */

			0xe4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_hsync.lcd_hsync */

			0xe8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_pclk.lcd_pclk */

			0xec (PIN_OUTPUT | MUX_MODE0)	/* lcd_ac_bias_en.lcd_ac_bias_en */

			/* Display Enable */

			0x6c (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_a11.gpio1_27 */

		>;

	};

};



/* Ethernet */

&cpsw_emac0 {

	status = "okay";

	phy_id = <&davinci_mdio>, <0>;

	phy-mode = "rgmii";

};



&cpsw_emac1 {

	status = "okay";

	phy_id = <&davinci_mdio>, <1>;

	phy-mode = "rgmii";

};



&davinci_mdio {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&mdio_pins>;

};



&mac {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&ethernet_pins>;

};





&am33xx_pinmux {

	ethernet_pins: pinmux_ethernet {

		pinctrl-single,pins = <

			0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txen.rgmii1_tctl */

			0x118 (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_rxdv.rgmii1_rctl */

			0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd3.rgmii1_td3 */

			0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd2.rgmii1_td2 */

			0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd1.rgmii1_td1 */

			0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd0.rgmii1_td0 */

			0x12c (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_txclk.rgmii1_tclk */

			0x130 (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_rxclk.rgmii1_rclk */

			0x134 (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_rxd3.rgmii1_rxd3 */

			0x138 (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_rxd2.rgmii1_rxd2 */

			0x13c (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_rxd1.rgmii1_rxd1 */

			0x140 (PIN_INPUT_PULLUP | MUX_MODE2)	/* mii1_rxd0.rgmii1_rxd0 */

			/* ethernet interrupt */

			0x144 (PIN_INPUT_PULLUP | MUX_MODE7)	/* rmii2_refclk.gpio0_29 */

			/* ethernet PHY nReset */

			0x108 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* mii1_col.gpio3_0 */

		>;

	};



	mdio_pins: pinmux_mdio {

		pinctrl-single,pins = <

			0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */

			0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0)			/* mdio_clk.mdio_clk */

		>;

	};

};



/* MMC */

&mmc1 {

	/* Bootable SD card slot */

	status = "okay";

	vmmc-supply = <&ldo3_reg>;

	bus-width = <4>;

	pinctrl-names = "default";

	pinctrl-0 = <&sd_pins>;

	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;

};



&mmc2 {

	/* eMMC (not populated) on MMC #2 */

	status = "disabled";

	pinctrl-names = "default";

	pinctrl-0 = <&emmc_pins>;

	vmmc-supply = <&ldo3_reg>;

	bus-width = <8>;

	ti,non-removable;

};



&edma {

	/* Map eDMA MMC2 Events from Crossbar */

	ti,edma-xbar-event-map = /bits/ 16 <1 12

                                            2 13>;

};





&mmc3 {

	/* Wifi & Bluetooth on MMC #3 */

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&wireless_pins>;

	vmmmc-supply = <&v3v3c_reg>;

	bus-width = <4>;

	ti,non-removable;

	dmas = <&edma 12

		&edma 13>;

	dma-names = "tx", "rx";

};





&am33xx_pinmux {

	sd_pins: pinmux_sd_card {

		pinctrl-single,pins = <

			0xf0 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat0.mmc0_dat0 */

			0xf4 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat1.mmc0_dat1 */

			0xf8 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat2.mmc0_dat2 */

			0xfc (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat3.mmc0_dat3 */

			0x100 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_clk.mmc0_clk */

			0x104 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_cmd.mmc0_cmd */

			0x160 (PIN_INPUT | MUX_MODE7)		/* spi0_cs1.gpio0_6 */

		>;

	};

	emmc_pins: pinmux_emmc {

		pinctrl-single,pins = <

			0x80 (PIN_INPUT_PULLUP | MUX_MODE2)	/* gpmc_csn1.mmc1_clk */

			0x84 (PIN_INPUT_PULLUP | MUX_MODE2)	/* gpmc_csn2.mmc1_cmd */

			0x00 (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad0.mmc1_dat0 */

			0x04 (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad1.mmc1_dat1 */

			0x08 (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad2.mmc1_dat2 */

			0x0c (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad3.mmc1_dat3 */

			0x10 (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad4.mmc1_dat4 */

			0x14 (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad5.mmc1_dat5 */

			0x18 (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad6.mmc1_dat6 */

			0x1c (PIN_INPUT_PULLUP | MUX_MODE1)	/* gpmc_ad7.mmc1_dat7 */

			/* EMMC nReset */

			0x74 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_wpn.gpio0_31 */

		>;

	};

	wireless_pins: pinmux_wireless {

		pinctrl-single,pins = <

			0x44 (PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_a1.mmc2_dat0 */

			0x48 (PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_a2.mmc2_dat1 */

			0x4c (PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_a3.mmc2_dat2 */

			0x78 (PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_ben1.mmc2_dat3 */

			0x88 (PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_csn3.mmc2_cmd */

			0x8c (PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_clk.mmc1_clk */

			/* WLAN nReset */

			0x60 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_a8.gpio1_24 */

			/* WLAN nPower down */

			0x70 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_wait0.gpio0_30 */

			/* 32kHz Clock */

			0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3)	/* xdma_event_intr1.clkout2 */

		>;

	};

};



/* Power */

&vbat {

	regulator-name = "vbat";

	regulator-min-microvolt = <5000000>;

	regulator-max-microvolt = <5000000>;

};



&v3v3c_reg {

	regulator-name = "v3v3c_reg";

	regulator-min-microvolt = <3300000>;

	regulator-max-microvolt = <3300000>;

	vin-supply = <&vbat>;

};



&vdd5_reg {

	regulator-name = "vdd5_reg";

	regulator-min-microvolt = <5000000>;

	regulator-max-microvolt = <5000000>;

	vin-supply = <&vbat>;

};



/include/ "tps65217.dtsi"



&tps {

	backlight {

		isel = <1>; /* ISET1 */

		fdim = <200>; /* TPS65217_BL_FDIM_200HZ */

		default-brightness = <80>;

	};



	regulators {

		dcdc1_reg: regulator@0 {

			/* VDD_1V8 system supply */

		};



		dcdc2_reg: regulator@1 {

			/* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */

			regulator-name = "vdd_core";

			regulator-min-microvolt = <925000>;

			regulator-max-microvolt = <1325000>;

			regulator-boot-on;

		};



		dcdc3_reg: regulator@2 {

			/* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */

			regulator-name = "vdd_mpu";

			regulator-min-microvolt = <925000>;

			regulator-max-microvolt = <1150000>;

			regulator-boot-on;

		};



		ldo1_reg: regulator@3 {

			/* VRTC 1.8V always-on supply */

			regulator-always-on;

		};



		ldo2_reg: regulator@4 {

			/* 3.3V rail */

		};



		ldo3_reg: regulator@5 {

			/* VDD_3V3A 3.3V rail */

			regulator-min-microvolt = <3300000>;

			regulator-max-microvolt = <3300000>;

		};



		ldo4_reg: regulator@6 {

			/* VDD_3V3B 3.3V rail */

		};

	};

};



/* SPI Busses */

&spi0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&spi0_pins>;

};



&am33xx_pinmux {

	spi0_pins: pinmux_spi0 {

		pinctrl-single,pins = <

			0x150 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk.spi0_sclk */

			0x15C (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_cs0.spi0_cs0 */

			0x154 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0.spi0_d0 */

			0x158 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d1.spi0_d1 */

		>;

	};

};



/* Touch Screen */

&tscadc {

	status = "okay";

	tsc {

		ti,wires = <4>;

		ti,x-plate-resistance = <200>;

		ti,coordinate-readouts = <5>;

		ti,wire-config = <0x00 0x11 0x22 0x33>;

	};



	adc {

		ti,adc-channels = <4 5 6 7>;

	};

};



/* UARTs */

&uart0 {

	/* Serial Console */

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&uart0_pins>;

};



&uart1 {

	/* Broken out to J6 header */

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&uart1_pins>;

};



&am33xx_pinmux {

	uart0_pins: pinmux_uart0 {

		pinctrl-single,pins = <

			0x170 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart0_rxd.uart0_rxd */

			0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart0_txd.uart0_txd */

		>;

	};

	uart1_pins: pinmux_uart1 {

		pinctrl-single,pins = <

			0x178 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart1_ctsn.uart1_ctsn */

			0x17C (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart1_rtsn.uart1_rtsn */

			0x180 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart1_rxd.uart1_rxd */

			0x184 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart1_txd.uart1_txd */

		>;

	};

};



/* USB */

&usb {

	status = "okay";



	pinctrl-names = "default";

	pinctrl-0 = <&usb_pins>;

};



&usb_ctrl_mod {

	status = "okay";

};



&usb0_phy {

	status = "okay";

};



&usb1_phy {

	status = "okay";

};



&usb0 {

	status = "okay";

        dr_mode = "host";

};



&usb1 {

	status = "okay";

        dr_mode = "host";

};



&cppi41dma {

	status = "okay";

};



&am33xx_pinmux {

	usb_pins: pinmux_usb {

		pinctrl-single,pins = <

			/* USB0 Over-Current (active low) */

			0x64 (PIN_INPUT | MUX_MODE7)	/* gpmc_a9.gpio1_25 */

			/* USB1 Over-Current (active low) */

			0x68 (PIN_INPUT | MUX_MODE7)	/* gpmc_a10.gpio1_26 */

		>;

	};

};



/* User IO */

&leds {

	pinctrl-names = "default";

	pinctrl-0 = <&user_leds_pins>;



	led@0 {

		label = "pepper:user0:blue";

		gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;

		linux,default-trigger = "none";

		default-state = "off";

	};



	led@1 {

		label = "pepper:user1:red";

		gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;

		linux,default-trigger = "none";

		default-state = "off";

	};

};



&buttons {

	pinctrl-names = "default";

	pinctrl-0 = <&user_buttons_pins>;

	#address-cells = <1>;

	#size-cells = <0>;



	button@0 {

		label = "home";

		linux,code = <KEY_HOME>;

		gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;

		gpio-key,wakeup;

	};



	button@1 {

		label = "menu";

		linux,code = <KEY_MENU>;

		gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;

		gpio-key,wakeup;

	};



	buttons@2 {

		label = "power";

		linux,code = <KEY_POWER>;

		gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;

		gpio-key,wakeup;

	};

};



&am33xx_pinmux {

	user_leds_pins: pinmux_user_leds {

		pinctrl-single,pins = <

			0x50 (PIN_OUTPUT | MUX_MODE7)	/* gpmc_a4.gpio1_20 */

			0x54 (PIN_OUTPUT | MUX_MODE7)	/* gpmc_a5.gpio1_21 */

		>;

	};



	user_buttons_pins: pinmux_user_buttons {

		pinctrl-single,pins = <

			0x58 (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_a6.gpio1_22 */

			0x5C (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_a7.gpio1_21 */

			0x164 (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_a8.gpio0_7 */

		>;

	};

};