1// SPDX-License-Identifier: GPL-2.0+ 2// Copyright 2019 Jonathan Neuschäfer 3// 4// The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B. 5 6/dts-v1/; 7#include "imx50.dtsi" 8#include <dt-bindings/input/input.h> 9#include <dt-bindings/interrupt-controller/irq.h> 10 11/ { 12 model = "Kobo Aura (N514)"; 13 compatible = "kobo,aura", "fsl,imx50"; 14 15 chosen { 16 stdout-path = "serial1:115200n8"; 17 }; 18 19 memory@70000000 { 20 device_type = "memory"; 21 reg = <0x70000000 0x10000000>; 22 }; 23 24 gpio-leds { 25 compatible = "gpio-leds"; 26 pinctrl-names = "default"; 27 pinctrl-0 = <&pinctrl_leds>; 28 29 led-on { 30 label = "kobo_aura:orange:on"; 31 gpios = <&gpio6 24 GPIO_ACTIVE_LOW>; 32 panic-indicator; 33 }; 34 }; 35 36 gpio-keys { 37 compatible = "gpio-keys"; 38 pinctrl-names = "default"; 39 pinctrl-0 = <&pinctrl_gpiokeys>; 40 41 key-power { 42 label = "Power Button"; 43 gpios = <&gpio4 10 GPIO_ACTIVE_LOW>; 44 linux,code = <KEY_POWER>; 45 }; 46 47 event-hallsensor { 48 label = "Hallsensor"; 49 gpios = <&gpio5 15 GPIO_ACTIVE_LOW>; 50 linux,code = <KEY_RESERVED>; 51 linux,input-type = <EV_SW>; 52 }; 53 54 event-frontlight { 55 label = "Frontlight"; 56 gpios = <&gpio4 1 GPIO_ACTIVE_LOW>; 57 linux,code = <KEY_DISPLAYTOGGLE>; 58 }; 59 }; 60 61 sd2_pwrseq: pwrseq { 62 compatible = "mmc-pwrseq-simple"; 63 pinctrl-names = "default"; 64 pinctrl-0 = <&pinctrl_sd2_reset>; 65 reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>; 66 }; 67 68 sd2_vmmc: gpio-regulator { 69 compatible = "regulator-gpio"; 70 pinctrl-names = "default"; 71 pinctrl-0 = <&pinctrl_sd2_vmmc>; 72 regulator-name = "vmmc"; 73 states = <3300000 0>; 74 regulator-min-microvolt = <3300000>; 75 regulator-max-microvolt = <3300000>; 76 enable-gpios = <&gpio4 12 GPIO_ACTIVE_LOW>; 77 startup-delay-us = <100000>; 78 }; 79}; 80 81&esdhc1 { 82 pinctrl-names = "default"; 83 pinctrl-0 = <&pinctrl_sd1>; 84 max-frequency = <50000000>; 85 bus-width = <4>; 86 cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>; 87 disable-wp; 88 status = "okay"; 89 90 /* External µSD card */ 91}; 92 93&esdhc2 { 94 pinctrl-names = "default"; 95 pinctrl-0 = <&pinctrl_sd2>; 96 bus-width = <4>; 97 max-frequency = <50000000>; 98 disable-wp; 99 mmc-pwrseq = <&sd2_pwrseq>; 100 vmmc-supply = <&sd2_vmmc>; 101 status = "okay"; 102 103 /* CyberTan WC121 SDIO WiFi (BCM43362) */ 104}; 105 106&esdhc3 { 107 pinctrl-names = "default"; 108 pinctrl-0 = <&pinctrl_sd3>; 109 bus-width = <8>; 110 non-removable; 111 max-frequency = <50000000>; 112 disable-wp; 113 status = "okay"; 114 115 /* Internal eMMC */ 116}; 117 118&i2c1 { 119 pinctrl-names = "default"; 120 pinctrl-0 = <&pinctrl_i2c1>; 121 status = "okay"; 122 123 touchscreen@15 { 124 reg = <0x15>; 125 compatible = "elan,ektf2132"; 126 pinctrl-names = "default"; 127 pinctrl-0 = <&pinctrl_ts>; 128 power-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>; 129 interrupts-extended = <&gpio5 13 IRQ_TYPE_EDGE_FALLING>; 130 }; 131}; 132 133&i2c2 { 134 pinctrl-names = "default"; 135 pinctrl-0 = <&pinctrl_i2c2>; 136 status = "okay"; 137 138 /* TODO: TPS65185 PMIC for E Ink at 0x68 */ 139}; 140 141&i2c3 { 142 pinctrl-names = "default"; 143 pinctrl-0 = <&pinctrl_i2c3>; 144 status = "okay"; 145 146 embedded-controller@43 { 147 pinctrl-names = "default"; 148 pinctrl-0 = <&pinctrl_ec>; 149 compatible = "netronix,ntxec"; 150 reg = <0x43>; 151 system-power-controller; 152 interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>; 153 #pwm-cells = <2>; 154 }; 155}; 156 157&iomuxc { 158 pinctrl_ec: ecgrp { 159 fsl,pins = < 160 MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */ 161 >; 162 }; 163 164 pinctrl_gpiokeys: gpiokeysgrp { 165 fsl,pins = < 166 MX50_PAD_CSPI_MISO__GPIO4_10 0x0 167 MX50_PAD_SD2_D7__GPIO5_15 0x0 168 MX50_PAD_KEY_ROW0__GPIO4_1 0x0 169 >; 170 }; 171 172 pinctrl_i2c1: i2c1grp { 173 fsl,pins = < 174 MX50_PAD_I2C1_SCL__I2C1_SCL 0x400001fd 175 MX50_PAD_I2C1_SDA__I2C1_SDA 0x400001fd 176 >; 177 }; 178 179 pinctrl_i2c2: i2c2grp { 180 fsl,pins = < 181 MX50_PAD_I2C2_SCL__I2C2_SCL 0x400001fd 182 MX50_PAD_I2C2_SDA__I2C2_SDA 0x400001fd 183 >; 184 }; 185 186 pinctrl_i2c3: i2c3grp { 187 fsl,pins = < 188 MX50_PAD_I2C3_SCL__I2C3_SCL 0x400001fd 189 MX50_PAD_I2C3_SDA__I2C3_SDA 0x400001fd 190 >; 191 }; 192 193 pinctrl_leds: ledsgrp { 194 fsl,pins = < 195 MX50_PAD_PWM1__GPIO6_24 0x0 196 >; 197 }; 198 199 pinctrl_sd1: sd1grp { 200 fsl,pins = < 201 MX50_PAD_SD1_CMD__ESDHC1_CMD 0x1e4 202 MX50_PAD_SD1_CLK__ESDHC1_CLK 0xd4 203 MX50_PAD_SD1_D0__ESDHC1_DAT0 0x1d4 204 MX50_PAD_SD1_D1__ESDHC1_DAT1 0x1d4 205 MX50_PAD_SD1_D2__ESDHC1_DAT2 0x1d4 206 MX50_PAD_SD1_D3__ESDHC1_DAT3 0x1d4 207 208 MX50_PAD_SD2_CD__GPIO5_17 0x0 209 >; 210 }; 211 212 pinctrl_sd2: sd2grp { 213 fsl,pins = < 214 MX50_PAD_SD2_CMD__ESDHC2_CMD 0x1e4 215 MX50_PAD_SD2_CLK__ESDHC2_CLK 0xd4 216 MX50_PAD_SD2_D0__ESDHC2_DAT0 0x1d4 217 MX50_PAD_SD2_D1__ESDHC2_DAT1 0x1d4 218 MX50_PAD_SD2_D2__ESDHC2_DAT2 0x1d4 219 MX50_PAD_SD2_D3__ESDHC2_DAT3 0x1d4 220 >; 221 }; 222 223 pinctrl_sd2_reset: sd2-resetgrp { 224 fsl,pins = < 225 MX50_PAD_ECSPI2_MOSI__GPIO4_17 0x0 226 >; 227 }; 228 229 pinctrl_sd2_vmmc: sd2-vmmcgrp { 230 fsl,pins = < 231 MX50_PAD_ECSPI1_SCLK__GPIO4_12 0x0 232 >; 233 }; 234 235 pinctrl_sd3: sd3grp { 236 fsl,pins = < 237 MX50_PAD_SD3_CMD__ESDHC3_CMD 0x1e4 238 MX50_PAD_SD3_CLK__ESDHC3_CLK 0xd4 239 MX50_PAD_SD3_D0__ESDHC3_DAT0 0x1d4 240 MX50_PAD_SD3_D1__ESDHC3_DAT1 0x1d4 241 MX50_PAD_SD3_D2__ESDHC3_DAT2 0x1d4 242 MX50_PAD_SD3_D3__ESDHC3_DAT3 0x1d4 243 MX50_PAD_SD3_D4__ESDHC3_DAT4 0x1d4 244 MX50_PAD_SD3_D5__ESDHC3_DAT5 0x1d4 245 MX50_PAD_SD3_D6__ESDHC3_DAT6 0x1d4 246 MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4 247 >; 248 }; 249 250 pinctrl_ts: tsgrp { 251 fsl,pins = < 252 MX50_PAD_CSPI_MOSI__GPIO4_9 0x0 253 MX50_PAD_SD2_D5__GPIO5_13 0x0 254 >; 255 }; 256 257 pinctrl_uart2: uart2grp { 258 fsl,pins = < 259 MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4 260 MX50_PAD_UART2_RXD__UART2_RXD_MUX 0x1e4 261 >; 262 }; 263 264 pinctrl_usbphy: usbphygrp { 265 fsl,pins = < 266 MX50_PAD_ECSPI2_SS0__GPIO4_19 0x0 267 >; 268 }; 269}; 270 271&uart2 { 272 pinctrl-names = "default"; 273 pinctrl-0 = <&pinctrl_uart2>; 274 status = "okay"; 275}; 276 277&usbotg { 278 phy_type = "utmi_wide"; 279 dr_mode = "peripheral"; 280 status = "okay"; 281}; 282 283&usbphy0 { 284 pinctrl-names = "default"; 285 pinctrl-0 = <&pinctrl_usbphy>; 286 vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>; 287}; 288