/* * 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 #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>; ai3x-micbias-vg = <0x2>; }; 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 = < AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ >; }; i2c1_pins: pinmux_i2c1 { pinctrl-single,pins = < AM33XX_IOPAD(0x90C, PIN_INPUT_PULLUP | MUX_MODE3) /* mii1_crs,i2c1_sda */ AM33XX_IOPAD(0x910, 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 = < AM33XX_IOPAD(0x898, 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", "MIC3L", "Mic3L Switch"; }; &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 = < AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */ AM33XX_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */ AM33XX_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */ AM33XX_IOPAD(0x998, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr0.mcasp0_axr0 */ AM33XX_IOPAD(0x9a8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr1.mcasp0_axr1 */ AM33XX_IOPAD(0x840, 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 = < AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0) /* lcd_data0.lcd_data0 */ AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0) /* lcd_data1.lcd_data1 */ AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0) /* lcd_data2.lcd_data2 */ AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0) /* lcd_data3.lcd_data3 */ AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0) /* lcd_data4.lcd_data4 */ AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0) /* lcd_data5.lcd_data5 */ AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0) /* lcd_data6.lcd_data6 */ AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0) /* lcd_data7.lcd_data7 */ AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0) /* lcd_data8.lcd_data8 */ AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0) /* lcd_data9.lcd_data9 */ AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0) /* lcd_data10.lcd_data10 */ AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0) /* lcd_data11.lcd_data11 */ AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0) /* lcd_data12.lcd_data12 */ AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0) /* lcd_data13.lcd_data13 */ AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0) /* lcd_data14.lcd_data14 */ AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0) /* lcd_data15.lcd_data15 */ AM33XX_IOPAD(0x820, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad8.lcd_data16 */ AM33XX_IOPAD(0x824, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad9.lcd_data17 */ AM33XX_IOPAD(0x828, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad10.lcd_data18 */ AM33XX_IOPAD(0x82c, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad11.lcd_data19 */ AM33XX_IOPAD(0x830, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad12.lcd_data20 */ AM33XX_IOPAD(0x834, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad13.lcd_data21 */ AM33XX_IOPAD(0x838, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad14.lcd_data22 */ AM33XX_IOPAD(0x83c, PIN_OUTPUT | MUX_MODE1) /* gpmc_ad15.lcd_data23 */ AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE0) /* lcd_vsync.lcd_vsync */ AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE0) /* lcd_hsync.lcd_hsync */ AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE0) /* lcd_pclk.lcd_pclk */ AM33XX_IOPAD(0x8ec, PIN_OUTPUT | MUX_MODE0) /* lcd_ac_bias_en.lcd_ac_bias_en */ /* Display Enable */ AM33XX_IOPAD(0x86c, 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 = <ðernet_pins>; }; &am33xx_pinmux { ethernet_pins: pinmux_ethernet { pinctrl-single,pins = < AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_tctl */ AM33XX_IOPAD(0x918, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_rxdv.rgmii1_rctl */ AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd3.rgmii1_td3 */ AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd2.rgmii1_td2 */ AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_td1 */ AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_td0 */ AM33XX_IOPAD(0x92c, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_txclk.rgmii1_tclk */ AM33XX_IOPAD(0x930, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_rxclk.rgmii1_rclk */ AM33XX_IOPAD(0x934, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_rxd3.rgmii1_rxd3 */ AM33XX_IOPAD(0x938, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_rxd2.rgmii1_rxd2 */ AM33XX_IOPAD(0x93c, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd1 */ AM33XX_IOPAD(0x940, PIN_INPUT_PULLUP | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd0 */ /* ethernet interrupt */ AM33XX_IOPAD(0x944, PIN_INPUT_PULLUP | MUX_MODE7) /* rmii2_refclk.gpio0_29 */ /* ethernet PHY nReset */ AM33XX_IOPAD(0x908, PIN_OUTPUT_PULLUP | MUX_MODE7) /* mii1_col.gpio3_0 */ >; }; mdio_pins: pinmux_mdio { pinctrl-single,pins = < AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */ AM33XX_IOPAD(0x94c, 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; }; &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_xbar 12 0 1 &edma_xbar 13 0 2>; dma-names = "tx", "rx"; }; &am33xx_pinmux { sd_pins: pinmux_sd_card { pinctrl-single,pins = < AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */ AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */ AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */ AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */ AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_clk.mmc0_clk */ AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */ AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */ >; }; emmc_pins: pinmux_emmc { pinctrl-single,pins = < AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */ AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */ AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */ AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */ AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */ AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */ AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */ AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */ AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */ AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */ /* EMMC nReset */ AM33XX_IOPAD(0x874, PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_31 */ >; }; wireless_pins: pinmux_wireless { pinctrl-single,pins = < AM33XX_IOPAD(0x844, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_a1.mmc2_dat0 */ AM33XX_IOPAD(0x848, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_a2.mmc2_dat1 */ AM33XX_IOPAD(0x84c, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_a3.mmc2_dat2 */ AM33XX_IOPAD(0x878, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_ben1.mmc2_dat3 */ AM33XX_IOPAD(0x888, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_csn3.mmc2_cmd */ AM33XX_IOPAD(0x88c, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_clk.mmc1_clk */ /* WLAN nReset */ AM33XX_IOPAD(0x860, PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_a8.gpio1_24 */ /* WLAN nPower down */ AM33XX_IOPAD(0x870, PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_wait0.gpio0_30 */ /* 32kHz Clock */ AM33XX_IOPAD(0x9b4, 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>; }; &tps { compatible = "ti,tps65217"; backlight { isel = <1>; /* ISET1 */ fdim = <200>; /* TPS65217_BL_FDIM_200HZ */ default-brightness = <80>; }; regulators { #address-cells = <1>; #size-cells = <0>; dcdc1_reg: regulator@0 { reg = <0>; /* VDD_1V8 system supply */ regulator-always-on; }; dcdc2_reg: regulator@1 { reg = <1>; /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; regulator-max-microvolt = <1150000>; regulator-boot-on; regulator-always-on; }; dcdc3_reg: regulator@2 { reg = <2>; /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; regulator-max-microvolt = <1325000>; regulator-boot-on; regulator-always-on; }; ldo1_reg: regulator@3 { reg = <3>; /* VRTC 1.8V always-on supply */ regulator-name = "vrtc,vdds"; regulator-always-on; }; ldo2_reg: regulator@4 { reg = <4>; /* 3.3V rail */ regulator-name = "vdd_3v3aux"; regulator-always-on; }; ldo3_reg: regulator@5 { reg = <5>; /* VDD_3V3A 3.3V rail */ regulator-name = "vdd_3v3a"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; ldo4_reg: regulator@6 { reg = <6>; /* VDD_3V3B 3.3V rail */ regulator-name = "vdd_3v3b"; regulator-always-on; }; }; }; /* SPI Busses */ &spi0 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&spi0_pins>; }; &am33xx_pinmux { spi0_pins: pinmux_spi0 { pinctrl-single,pins = < AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk.spi0_sclk */ AM33XX_IOPAD(0x95C, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_cs0.spi0_cs0 */ AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0.spi0_d0 */ AM33XX_IOPAD(0x958, 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 = < AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ >; }; uart1_pins: pinmux_uart1 { pinctrl-single,pins = < AM33XX_IOPAD(0x978, PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_ctsn.uart1_ctsn */ AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_rtsn.uart1_rtsn */ AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */ AM33XX_IOPAD(0x984, 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) */ AM33XX_IOPAD(0x864, PIN_INPUT | MUX_MODE7) /* gpmc_a9.gpio1_25 */ /* USB1 Over-Current (active low) */ AM33XX_IOPAD(0x868, 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 = ; gpios = <&gpio1 22 GPIO_ACTIVE_LOW>; gpio-key,wakeup; }; button@1 { label = "menu"; linux,code = ; gpios = <&gpio1 23 GPIO_ACTIVE_LOW>; gpio-key,wakeup; }; buttons@2 { label = "power"; linux,code = ; gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; gpio-key,wakeup; }; }; &am33xx_pinmux { user_leds_pins: pinmux_user_leds { pinctrl-single,pins = < AM33XX_IOPAD(0x850, PIN_OUTPUT | MUX_MODE7) /* gpmc_a4.gpio1_20 */ AM33XX_IOPAD(0x854, PIN_OUTPUT | MUX_MODE7) /* gpmc_a5.gpio1_21 */ >; }; user_buttons_pins: pinmux_user_buttons { pinctrl-single,pins = < AM33XX_IOPAD(0x858, PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_a6.gpio1_22 */ AM33XX_IOPAD(0x85C, PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_a7.gpio1_21 */ AM33XX_IOPAD(0x964, PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_a8.gpio0_7 */ >; }; };