// SPDX-License-Identifier: GPL-2.0+ // Copyright 2019 Jonathan Neuschäfer // // The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B. /dts-v1/; #include "imx50.dtsi" #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> / { model = "Kobo Aura (N514)"; compatible = "kobo,aura", "fsl,imx50"; chosen { stdout-path = "serial1:115200n8"; }; memory@70000000 { device_type = "memory"; reg = <0x70000000 0x10000000>; }; gpio-leds { compatible = "gpio-leds"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_leds>; led-on { label = "kobo_aura:orange:on"; gpios = <&gpio6 24 GPIO_ACTIVE_LOW>; panic-indicator; }; }; gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpiokeys>; key-power { label = "Power Button"; gpios = <&gpio4 10 GPIO_ACTIVE_LOW>; linux,code = <KEY_POWER>; }; event-hallsensor { label = "Hallsensor"; gpios = <&gpio5 15 GPIO_ACTIVE_LOW>; linux,code = <KEY_RESERVED>; linux,input-type = <EV_SW>; }; event-frontlight { label = "Frontlight"; gpios = <&gpio4 1 GPIO_ACTIVE_LOW>; linux,code = <KEY_DISPLAYTOGGLE>; }; }; sd2_pwrseq: pwrseq { compatible = "mmc-pwrseq-simple"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sd2_reset>; reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>; }; sd2_vmmc: gpio-regulator { compatible = "regulator-gpio"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sd2_vmmc>; regulator-name = "vmmc"; states = <3300000 0>; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>; startup-delay-us = <100000>; }; }; &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sd1>; max-frequency = <50000000>; bus-width = <4>; cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>; disable-wp; status = "okay"; /* External µSD card */ }; &esdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sd2>; bus-width = <4>; max-frequency = <50000000>; disable-wp; mmc-pwrseq = <&sd2_pwrseq>; vmmc-supply = <&sd2_vmmc>; status = "okay"; /* CyberTan WC121 SDIO WiFi (BCM43362) */ }; &esdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sd3>; bus-width = <8>; non-removable; max-frequency = <50000000>; disable-wp; status = "okay"; /* Internal eMMC */ }; &i2c1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c1>; status = "okay"; touchscreen@15 { reg = <0x15>; compatible = "elan,ektf2132"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ts>; power-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>; interrupts-extended = <&gpio5 13 IRQ_TYPE_EDGE_FALLING>; }; }; &i2c2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; /* TODO: TPS65185 PMIC for E Ink at 0x68 */ }; &i2c3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c3>; status = "okay"; embedded-controller@43 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ec>; compatible = "netronix,ntxec"; reg = <0x43>; system-power-controller; interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>; #pwm-cells = <2>; }; }; &iomuxc { pinctrl_ec: ecgrp { fsl,pins = < MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */ >; }; pinctrl_gpiokeys: gpiokeysgrp { fsl,pins = < MX50_PAD_CSPI_MISO__GPIO4_10 0x0 MX50_PAD_SD2_D7__GPIO5_15 0x0 MX50_PAD_KEY_ROW0__GPIO4_1 0x0 >; }; pinctrl_i2c1: i2c1grp { fsl,pins = < MX50_PAD_I2C1_SCL__I2C1_SCL 0x400001fd MX50_PAD_I2C1_SDA__I2C1_SDA 0x400001fd >; }; pinctrl_i2c2: i2c2grp { fsl,pins = < MX50_PAD_I2C2_SCL__I2C2_SCL 0x400001fd MX50_PAD_I2C2_SDA__I2C2_SDA 0x400001fd >; }; pinctrl_i2c3: i2c3grp { fsl,pins = < MX50_PAD_I2C3_SCL__I2C3_SCL 0x400001fd MX50_PAD_I2C3_SDA__I2C3_SDA 0x400001fd >; }; pinctrl_leds: ledsgrp { fsl,pins = < MX50_PAD_PWM1__GPIO6_24 0x0 >; }; pinctrl_sd1: sd1grp { fsl,pins = < MX50_PAD_SD1_CMD__ESDHC1_CMD 0x1e4 MX50_PAD_SD1_CLK__ESDHC1_CLK 0xd4 MX50_PAD_SD1_D0__ESDHC1_DAT0 0x1d4 MX50_PAD_SD1_D1__ESDHC1_DAT1 0x1d4 MX50_PAD_SD1_D2__ESDHC1_DAT2 0x1d4 MX50_PAD_SD1_D3__ESDHC1_DAT3 0x1d4 MX50_PAD_SD2_CD__GPIO5_17 0x0 >; }; pinctrl_sd2: sd2grp { fsl,pins = < MX50_PAD_SD2_CMD__ESDHC2_CMD 0x1e4 MX50_PAD_SD2_CLK__ESDHC2_CLK 0xd4 MX50_PAD_SD2_D0__ESDHC2_DAT0 0x1d4 MX50_PAD_SD2_D1__ESDHC2_DAT1 0x1d4 MX50_PAD_SD2_D2__ESDHC2_DAT2 0x1d4 MX50_PAD_SD2_D3__ESDHC2_DAT3 0x1d4 >; }; pinctrl_sd2_reset: sd2-resetgrp { fsl,pins = < MX50_PAD_ECSPI2_MOSI__GPIO4_17 0x0 >; }; pinctrl_sd2_vmmc: sd2-vmmcgrp { fsl,pins = < MX50_PAD_ECSPI1_SCLK__GPIO4_12 0x0 >; }; pinctrl_sd3: sd3grp { fsl,pins = < MX50_PAD_SD3_CMD__ESDHC3_CMD 0x1e4 MX50_PAD_SD3_CLK__ESDHC3_CLK 0xd4 MX50_PAD_SD3_D0__ESDHC3_DAT0 0x1d4 MX50_PAD_SD3_D1__ESDHC3_DAT1 0x1d4 MX50_PAD_SD3_D2__ESDHC3_DAT2 0x1d4 MX50_PAD_SD3_D3__ESDHC3_DAT3 0x1d4 MX50_PAD_SD3_D4__ESDHC3_DAT4 0x1d4 MX50_PAD_SD3_D5__ESDHC3_DAT5 0x1d4 MX50_PAD_SD3_D6__ESDHC3_DAT6 0x1d4 MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4 >; }; pinctrl_ts: tsgrp { fsl,pins = < MX50_PAD_CSPI_MOSI__GPIO4_9 0x0 MX50_PAD_SD2_D5__GPIO5_13 0x0 >; }; pinctrl_uart2: uart2grp { fsl,pins = < MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4 MX50_PAD_UART2_RXD__UART2_RXD_MUX 0x1e4 >; }; pinctrl_usbphy: usbphygrp { fsl,pins = < MX50_PAD_ECSPI2_SS0__GPIO4_19 0x0 >; }; }; &uart2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; status = "okay"; }; &usbotg { phy_type = "utmi_wide"; dr_mode = "peripheral"; status = "okay"; }; &usbphy0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usbphy>; vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>; };