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// 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>;
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>;
power {
label = "Power Button";
gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
linux,code = <KEY_POWER>;
};
hallsensor {
label = "Hallsensor";
gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESERVED>;
linux,input-type = <EV_SW>;
};
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";
/* TODO: embedded controller at 0x43 */
};
&iomuxc {
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>;
};
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