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      1 // SPDX-License-Identifier: GPL-2.0-only
      2 /*
      3  * Copyright (C) 2014 Gumstix, Inc. - https://www.gumstix.com/
      4  */
      5 /dts-v1/;
      6 
      7 #include <dt-bindings/input/input.h>
      8 #include "am33xx.dtsi"
      9 
     10 / {
     11 	model = "Gumstix Pepper";
     12 	compatible = "gumstix,am335x-pepper", "ti,am33xx";
     13 
     14 	cpus {
     15 		cpu@0 {
     16 			cpu0-supply = <&dcdc3_reg>;
     17 		};
     18 	};
     19 
     20 	memory@80000000 {
     21 		device_type = "memory";
     22 		reg = <0x80000000 0x20000000>; /* 512 MB */
     23 	};
     24 
     25 	buttons: user_buttons {
     26 		compatible = "gpio-keys";
     27 	};
     28 
     29 	leds: user_leds {
     30 		compatible = "gpio-leds";
     31 	};
     32 
     33 	panel: lcd_panel {
     34 		compatible = "ti,tilcdc,panel";
     35 	};
     36 
     37 	sound: sound_iface {
     38 		compatible = "ti,da830-evm-audio";
     39 	};
     40 
     41 	vbat: fixedregulator0 {
     42 		compatible = "regulator-fixed";
     43 	};
     44 
     45 	v3v3c_reg: fixedregulator1 {
     46 		compatible = "regulator-fixed";
     47 	};
     48 
     49 	vdd5_reg: fixedregulator2 {
     50 		compatible = "regulator-fixed";
     51 	};
     52 };
     53 
     54 /* I2C Busses */
     55 &i2c0 {
     56 	status = "okay";
     57 	pinctrl-names = "default";
     58 	pinctrl-0 = <&i2c0_pins>;
     59 
     60 	clock-frequency = <400000>;
     61 
     62 	tps: tps@24 {
     63 		reg = <0x24>;
     64 	};
     65 
     66 	eeprom: eeprom@50 {
     67 		compatible = "atmel,24c256";
     68 		reg = <0x50>;
     69 	};
     70 
     71 	audio_codec: tlv320aic3106@1b {
     72 		compatible = "ti,tlv320aic3106";
     73 		reg = <0x1b>;
     74 		ai3x-micbias-vg = <0x2>;
     75 	};
     76 
     77 	accel: lis331dlh@1d {
     78 		compatible = "st,lis3lv02d";
     79 		reg = <0x1d>;
     80 	};
     81 };
     82 
     83 &i2c1 {
     84 	status = "okay";
     85 	pinctrl-names = "default";
     86 	pinctrl-0 = <&i2c1_pins>;
     87 	clock-frequency = <400000>;
     88 };
     89 
     90 &am33xx_pinmux {
     91 	i2c0_pins: pinmux_i2c0 {
     92 		pinctrl-single,pins = <
     93 			AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
     94 			AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
     95 		>;
     96 	};
     97 	i2c1_pins: pinmux_i2c1 {
     98 		pinctrl-single,pins = <
     99 			AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLUP, MUX_MODE3)	/* mii1_crs,i2c1_sda */
    100 			AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE3)	/* mii1_rxerr,i2c1_scl */
    101 		>;
    102 	};
    103 };
    104 
    105 /* Accelerometer */
    106 &accel {
    107 	pinctrl-names = "default";
    108 	pinctrl-0 = <&accel_pins>;
    109 
    110 	Vdd-supply = <&ldo3_reg>;
    111 	Vdd_IO-supply = <&ldo3_reg>;
    112 	st,irq1-click;
    113 	st,wakeup-x-lo;
    114 	st,wakeup-x-hi;
    115 	st,wakeup-y-lo;
    116 	st,wakeup-y-hi;
    117 	st,wakeup-z-lo;
    118 	st,wakeup-z-hi;
    119 	st,min-limit-x = <92>;
    120 	st,max-limit-x = <14>;
    121 	st,min-limit-y = <14>;
    122 	st,max-limit-y = <92>;
    123 	st,min-limit-z = <92>;
    124 	st,max-limit-z = <14>;
    125 };
    126 
    127 &am33xx_pinmux {
    128 	accel_pins: pinmux_accel {
    129 		pinctrl-single,pins = <
    130 			AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_INPUT, MUX_MODE7)   /* gpmc_wen.gpio2_4 */
    131 		>;
    132 	};
    133 };
    134 
    135 /* Audio */
    136 &audio_codec {
    137 	status = "okay";
    138 
    139 	reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
    140 	AVDD-supply = <&ldo3_reg>;
    141 	IOVDD-supply = <&ldo3_reg>;
    142 	DRVDD-supply = <&ldo3_reg>;
    143 	DVDD-supply = <&dcdc1_reg>;
    144 };
    145 
    146 &sound {
    147 	ti,model = "AM335x-EVM";
    148 	ti,audio-codec = <&audio_codec>;
    149 	ti,mcasp-controller = <&mcasp0>;
    150 	ti,codec-clock-rate = <12000000>;
    151 	ti,audio-routing =
    152 		"Headphone Jack",	"HPLOUT",
    153 		"Headphone Jack",	"HPROUT",
    154 		"MIC3L",		"Mic3L Switch";
    155 };
    156 
    157 &mcasp0 {
    158 	status = "okay";
    159 	pinctrl-names = "default";
    160 	pinctrl-0 = <&audio_pins>;
    161 
    162 	op-mode = <0>;	/* MCASP_ISS_MODE */
    163 	tdm-slots = <2>;
    164 	serial-dir = <
    165 		1 2 0 0
    166 		0 0 0 0
    167 		0 0 0 0
    168 		0 0 0 0
    169 	>;
    170 	tx-num-evt = <1>;
    171 	rx-num-evt = <1>;
    172 };
    173 
    174 &am33xx_pinmux {
    175 	audio_pins: pinmux_audio {
    176 		pinctrl-single,pins = <
    177 			AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
    178 			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_INPUT_PULLDOWN, MUX_MODE0)
    179 			AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
    180 			AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT_PULLDOWN, MUX_MODE0)
    181 			AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR1, PIN_INPUT_PULLDOWN, MUX_MODE0)
    182 			AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT, MUX_MODE7)	/* gpmc_a0.gpio1_16 */
    183 		>;
    184 	};
    185 };
    186 
    187 /* Display: 24-bit LCD Screen */
    188 &panel {
    189 	status = "okay";
    190 	pinctrl-names = "default";
    191 	pinctrl-0 = <&lcd_pins>;
    192 	panel-info {
    193 		ac-bias = <255>;
    194 		ac-bias-intrpt = <0>;
    195 		dma-burst-sz = <16>;
    196 		bpp = <32>;
    197 		fdd = <0x80>;
    198 		sync-edge = <0>;
    199 		sync-ctrl = <1>;
    200 		raster-order = <0>;
    201 		fifo-th = <0>;
    202 	};
    203 	display-timings {
    204 		native-mode = <&timing0>;
    205 		timing0: 480x272 {
    206 			clock-frequency = <18400000>;
    207 			hactive = <480>;
    208 			vactive = <272>;
    209 			hfront-porch = <8>;
    210 			hback-porch = <4>;
    211 			hsync-len = <41>;
    212 			vfront-porch = <4>;
    213 			vback-porch = <2>;
    214 			vsync-len = <10>;
    215 			hsync-active = <1>;
    216 			vsync-active = <1>;
    217 		};
    218 	};
    219 };
    220 
    221 &lcdc {
    222 	status = "okay";
    223 };
    224 
    225 &am33xx_pinmux {
    226 	lcd_pins: pinmux_lcd {
    227 		pinctrl-single,pins = <
    228 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
    229 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
    230 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
    231 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
    232 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
    233 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
    234 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
    235 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
    236 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
    237 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
    238 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
    239 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
    240 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
    241 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
    242 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
    243 			AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
    244 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad8.lcd_data16 */
    245 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad9.lcd_data17 */
    246 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad10.lcd_data18 */
    247 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad11.lcd_data19 */
    248 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad12.lcd_data20 */
    249 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad13.lcd_data21 */
    250 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad14.lcd_data22 */
    251 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)	/* gpmc_ad15.lcd_data23 */
    252 			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
    253 			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
    254 			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
    255 			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
    256 			/* Display Enable */
    257 			AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLUP, MUX_MODE7)	/* gpmc_a11.gpio1_27 */
    258 		>;
    259 	};
    260 };
    261 
    262 /* Ethernet */
    263 &cpsw_port1 {
    264 	phy-handle = <&ethphy0>;
    265 	phy-mode = "rgmii";
    266 	ti,dual-emac-pvid = <1>;
    267 };
    268 
    269 &cpsw_port2 {
    270 	phy-handle = <&ethphy1>;
    271 	phy-mode = "rgmii";
    272 	ti,dual-emac-pvid = <2>;
    273 };
    274 
    275 &davinci_mdio_sw {
    276 	pinctrl-names = "default";
    277 	pinctrl-0 = <&mdio_pins>;
    278 
    279 	ethphy0: ethernet-phy@0 {
    280 		reg = <0>;
    281 	};
    282 
    283 	ethphy1: ethernet-phy@1 {
    284 		reg = <1>;
    285 	};
    286 };
    287 
    288 &mac_sw {
    289 	status = "okay";
    290 	pinctrl-names = "default";
    291 	pinctrl-0 = <&ethernet_pins>;
    292 };
    293 
    294 &am33xx_pinmux {
    295 	ethernet_pins: pinmux_ethernet {
    296 		pinctrl-single,pins = <
    297 			AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* mii1_txen.rgmii1_tctl */
    298 			AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE2)	/* mii1_rxdv.rgmii1_rctl */
    299 			AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* mii1_txd3.rgmii1_td3 */
    300 			AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* mii1_txd2.rgmii1_td2 */
    301 			AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* mii1_txd1.rgmii1_td1 */
    302 			AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2)	/* mii1_txd0.rgmii1_td0 */
    303 			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
    304 			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
    305 			AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE2)
    306 			AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLUP, MUX_MODE2)
    307 			AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE2)
    308 			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE2)
    309 			/* ethernet interrupt */
    310 			AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLUP, MUX_MODE7)	/* rmii2_refclk.gpio0_29 */
    311 			/* ethernet PHY nReset */
    312 			AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_OUTPUT_PULLUP, MUX_MODE7)	/* mii1_col.gpio3_0 */
    313 		>;
    314 	};
    315 
    316 	mdio_pins: pinmux_mdio {
    317 		pinctrl-single,pins = <
    318 			AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
    319 			AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
    320 		>;
    321 	};
    322 };
    323 
    324 /* MMC */
    325 &mmc1 {
    326 	/* Bootable SD card slot */
    327 	status = "okay";
    328 	vmmc-supply = <&ldo3_reg>;
    329 	bus-width = <4>;
    330 	pinctrl-names = "default";
    331 	pinctrl-0 = <&sd_pins>;
    332 	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
    333 };
    334 
    335 &mmc2 {
    336 	/* eMMC (not populated) on MMC #2 */
    337 	status = "disabled";
    338 	pinctrl-names = "default";
    339 	pinctrl-0 = <&emmc_pins>;
    340 	vmmc-supply = <&ldo3_reg>;
    341 	bus-width = <8>;
    342 	non-removable;
    343 };
    344 
    345 &mmc3 {
    346 	/* Wifi & Bluetooth on MMC #3 */
    347 	status = "okay";
    348 	pinctrl-names = "default";
    349 	pinctrl-0 = <&wireless_pins>;
    350 	vmmmc-supply = <&v3v3c_reg>;
    351 	bus-width = <4>;
    352 	non-removable;
    353 	dmas = <&edma_xbar 12 0 1
    354 		&edma_xbar 13 0 2>;
    355 	dma-names = "tx", "rx";
    356 };
    357 
    358 
    359 &am33xx_pinmux {
    360 	sd_pins: pinmux_sd_card {
    361 		pinctrl-single,pins = <
    362 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
    363 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
    364 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
    365 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
    366 			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
    367 			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
    368 			AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7)		/* spi0_cs1.gpio0_6 */
    369 		>;
    370 	};
    371 	emmc_pins: pinmux_emmc {
    372 		pinctrl-single,pins = <
    373 			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2)	/* gpmc_csn1.mmc1_clk */
    374 			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2)	/* gpmc_csn2.mmc1_cmd */
    375 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad0.mmc1_dat0 */
    376 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad1.mmc1_dat1 */
    377 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad2.mmc1_dat2 */
    378 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad3.mmc1_dat3 */
    379 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad4.mmc1_dat4 */
    380 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad5.mmc1_dat5 */
    381 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad6.mmc1_dat6 */
    382 			AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1)	/* gpmc_ad7.mmc1_dat7 */
    383 			/* EMMC nReset */
    384 			AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLUP, MUX_MODE7)	/* gpmc_wpn.gpio0_31 */
    385 		>;
    386 	};
    387 	wireless_pins: pinmux_wireless {
    388 		pinctrl-single,pins = <
    389 			AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLUP, MUX_MODE3)	/* gpmc_a1.mmc2_dat0 */
    390 			AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_INPUT_PULLUP, MUX_MODE3)	/* gpmc_a2.mmc2_dat1 */
    391 			AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_INPUT_PULLUP, MUX_MODE3)	/* gpmc_a3.mmc2_dat2 */
    392 			AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLUP, MUX_MODE3)	/* gpmc_ben1.mmc2_dat3 */
    393 			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3)	/* gpmc_csn3.mmc2_cmd */
    394 			AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3)	/* gpmc_clk.mmc1_clk */
    395 			/* WLAN nReset */
    396 			AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT_PULLUP, MUX_MODE7)	/* gpmc_a8.gpio1_24 */
    397 			/* WLAN nPower down */
    398 			AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_OUTPUT_PULLUP, MUX_MODE7)	/* gpmc_wait0.gpio0_30 */
    399 			/* 32kHz Clock */
    400 			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT_PULLDOWN, MUX_MODE3)	/* xdma_event_intr1.clkout2 */
    401 		>;
    402 	};
    403 };
    404 
    405 /* Power */
    406 &vbat {
    407 	regulator-name = "vbat";
    408 	regulator-min-microvolt = <5000000>;
    409 	regulator-max-microvolt = <5000000>;
    410 };
    411 
    412 &v3v3c_reg {
    413 	regulator-name = "v3v3c_reg";
    414 	regulator-min-microvolt = <3300000>;
    415 	regulator-max-microvolt = <3300000>;
    416 	vin-supply = <&vbat>;
    417 };
    418 
    419 &vdd5_reg {
    420 	regulator-name = "vdd5_reg";
    421 	regulator-min-microvolt = <5000000>;
    422 	regulator-max-microvolt = <5000000>;
    423 	vin-supply = <&vbat>;
    424 };
    425 
    426 /include/ "tps65217.dtsi"
    427 
    428 &tps {
    429 	backlight {
    430 		isel = <1>; /* ISET1 */
    431 		fdim = <200>; /* TPS65217_BL_FDIM_200HZ */
    432 		default-brightness = <80>;
    433 	};
    434 
    435 	regulators {
    436 		dcdc1_reg: regulator@0 {
    437 			/* VDD_1V8 system supply */
    438 			regulator-always-on;
    439 		};
    440 
    441 		dcdc2_reg: regulator@1 {
    442 			/* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
    443 			regulator-name = "vdd_core";
    444 			regulator-min-microvolt = <925000>;
    445 			regulator-max-microvolt = <1150000>;
    446 			regulator-boot-on;
    447 			regulator-always-on;
    448 		};
    449 
    450 		dcdc3_reg: regulator@2 {
    451 			/* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
    452 			regulator-name = "vdd_mpu";
    453 			regulator-min-microvolt = <925000>;
    454 			regulator-max-microvolt = <1325000>;
    455 			regulator-boot-on;
    456 			regulator-always-on;
    457 		};
    458 
    459 		ldo1_reg: regulator@3 {
    460 			/* VRTC 1.8V always-on supply */
    461 			regulator-name = "vrtc,vdds";
    462 			regulator-always-on;
    463 		};
    464 
    465 		ldo2_reg: regulator@4 {
    466 			/* 3.3V rail */
    467 			regulator-name = "vdd_3v3aux";
    468 			regulator-always-on;
    469 		};
    470 
    471 		ldo3_reg: regulator@5 {
    472 			/* VDD_3V3A 3.3V rail */
    473 			regulator-name = "vdd_3v3a";
    474 			regulator-min-microvolt = <3300000>;
    475 			regulator-max-microvolt = <3300000>;
    476 		};
    477 
    478 		ldo4_reg: regulator@6 {
    479 			/* VDD_3V3B 3.3V rail */
    480 			regulator-name = "vdd_3v3b";
    481 			regulator-always-on;
    482 		};
    483 	};
    484 };
    485 
    486 /* SPI Busses */
    487 &spi0 {
    488 	status = "okay";
    489 	pinctrl-names = "default";
    490 	pinctrl-0 = <&spi0_pins>;
    491 };
    492 
    493 &am33xx_pinmux {
    494 	spi0_pins: pinmux_spi0 {
    495 		pinctrl-single,pins = <
    496 			AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
    497 			AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
    498 			AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
    499 			AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
    500 		>;
    501 	};
    502 };
    503 
    504 /* Touch Screen */
    505 &tscadc {
    506 	status = "okay";
    507 	tsc {
    508 		ti,wires = <4>;
    509 		ti,x-plate-resistance = <200>;
    510 		ti,coordinate-readouts = <5>;
    511 		ti,wire-config = <0x00 0x11 0x22 0x33>;
    512 	};
    513 
    514 	adc {
    515 		ti,adc-channels = <4 5 6 7>;
    516 	};
    517 };
    518 
    519 /* UARTs */
    520 &uart0 {
    521 	/* Serial Console */
    522 	status = "okay";
    523 	pinctrl-names = "default";
    524 	pinctrl-0 = <&uart0_pins>;
    525 };
    526 
    527 &uart1 {
    528 	/* Broken out to J6 header */
    529 	status = "okay";
    530 	pinctrl-names = "default";
    531 	pinctrl-0 = <&uart1_pins>;
    532 };
    533 
    534 &am33xx_pinmux {
    535 	uart0_pins: pinmux_uart0 {
    536 		pinctrl-single,pins = <
    537 			AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
    538 			AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
    539 		>;
    540 	};
    541 	uart1_pins: pinmux_uart1 {
    542 		pinctrl-single,pins = <
    543 			AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE0)
    544 			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
    545 			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
    546 			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
    547 		>;
    548 	};
    549 };
    550 
    551 /* USB */
    552 &usb {
    553 	pinctrl-names = "default";
    554 	pinctrl-0 = <&usb_pins>;
    555 };
    556 
    557 &usb0 {
    558         dr_mode = "host";
    559 };
    560 
    561 &usb1 {
    562         dr_mode = "host";
    563 };
    564 
    565 &am33xx_pinmux {
    566 	usb_pins: pinmux_usb {
    567 		pinctrl-single,pins = <
    568 			/* USB0 Over-Current (active low) */
    569 			AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT, MUX_MODE7)	/* gpmc_a9.gpio1_25 */
    570 			/* USB1 Over-Current (active low) */
    571 			AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT, MUX_MODE7)	/* gpmc_a10.gpio1_26 */
    572 		>;
    573 	};
    574 };
    575 
    576 /* User IO */
    577 &leds {
    578 	pinctrl-names = "default";
    579 	pinctrl-0 = <&user_leds_pins>;
    580 
    581 	led0 {
    582 		label = "pepper:user0:blue";
    583 		gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
    584 		linux,default-trigger = "none";
    585 		default-state = "off";
    586 	};
    587 
    588 	led1 {
    589 		label = "pepper:user1:red";
    590 		gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
    591 		linux,default-trigger = "none";
    592 		default-state = "off";
    593 	};
    594 };
    595 
    596 &buttons {
    597 	pinctrl-names = "default";
    598 	pinctrl-0 = <&user_buttons_pins>;
    599 	#address-cells = <1>;
    600 	#size-cells = <0>;
    601 
    602 	button0 {
    603 		label = "home";
    604 		linux,code = <KEY_HOME>;
    605 		gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
    606 		wakeup-source;
    607 	};
    608 
    609 	button1 {
    610 		label = "menu";
    611 		linux,code = <KEY_MENU>;
    612 		gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
    613 		wakeup-source;
    614 	};
    615 
    616 	buttons2 {
    617 		label = "power";
    618 		linux,code = <KEY_POWER>;
    619 		gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
    620 		wakeup-source;
    621 	};
    622 };
    623 
    624 &am33xx_pinmux {
    625 	user_leds_pins: pinmux_user_leds {
    626 		pinctrl-single,pins = <
    627 			AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT, MUX_MODE7)	/* gpmc_a4.gpio1_20 */
    628 			AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7)	/* gpmc_a5.gpio1_21 */
    629 		>;
    630 	};
    631 
    632 	user_buttons_pins: pinmux_user_buttons {
    633 		pinctrl-single,pins = <
    634 			AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_INPUT_PULLUP, MUX_MODE7)	/* gpmc_a6.gpio1_22 */
    635 			AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLUP, MUX_MODE7)	/* gpmc_a7.gpio1_21 */
    636 			AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE7)	/* gpmc_a8.gpio0_7 */
    637 		>;
    638 	};
    639 };
    640