// SPDX-License-Identifier: GPL-2.0
/*
* Device tree for the Kobo Aura 2 ebook reader
*
* Name on mainboard is: 37NB-E60QL0+4B1
* Serials start with: E60QL2
*
* Copyright 2022 Andreas Kemnade
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include "imx6sl.dtsi"
/ {
model = "Kobo Aura 2";
compatible = "kobo,aura2", "fsl,imx6sl";
aliases {
mmc0 = &usdhc2;
mmc1 = &usdhc3;
};
chosen {
stdout-path = &uart1;
};
gpio_keys: gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_keys>;
key-cover {
label = "Cover";
gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
linux,code = <SW_LID>;
linux,input-type = <EV_SW>;
wakeup-source;
};
key-power {
label = "Power";
gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
linux,code = <KEY_POWER>;
wakeup-source;
};
};
leds: leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_led>;
led-0 {
label = "koboaura2:white:on";
gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
color = <LED_COLOR_ID_WHITE>;
linux,default-trigger = "timer";
};
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x10000000>;
};
reg_wifi: regulator-wifi {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi_power>;
regulator-name = "SD3_SPWR";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
gpio = <&gpio4 29 GPIO_ACTIVE_LOW>;
};
wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi_reset>;
post-power-on-delay-ms = <20>;
reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
};
};
&i2c1 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_i2c1>;
pinctrl-1 = <&pinctrl_i2c1_sleep>;
status = "okay";
lm3630a: backlight@36 {
compatible = "ti,lm3630a";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lm3630a_bl_gpio>;
reg = <0x36>;
enable-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
led@0 {
reg = <0>;
led-sources = <0>;
label = "backlight";
default-brightness = <0>;
max-brightness = <255>;
};
};
};
&i2c2 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_sleep>;
clock-frequency = <100000>;
status = "okay";
/* eKTF2232 at 0x15 */
/* FP9928 at 0x48 */
};
&i2c3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
clock-frequency = <400000>;
status = "okay";
ricoh619: pmic@32 {
compatible = "ricoh,rc5t619";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ricoh_gpio>;
reg = <0x32>;
interrupt-parent = <&gpio5>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
system-power-controller;
regulators {
dcdc1_reg: DCDC1 {
regulator-name = "DCDC1";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <900000>;
regulator-suspend-min-microvolt = <900000>;
};
};
/* Core3_3V3 */
dcdc2_reg: DCDC2 {
regulator-name = "DCDC2";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <3100000>;
regulator-suspend-min-microvolt = <3100000>;
};
};
dcdc3_reg: DCDC3 {
regulator-name = "DCDC3";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <1140000>;
regulator-suspend-min-microvolt = <1140000>;
};
};
/* Core4_1V2 */
dcdc4_reg: DCDC4 {
regulator-name = "DCDC4";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <1140000>;
regulator-suspend-min-microvolt = <1140000>;
};
};
/* Core4_1V8 */
dcdc5_reg: DCDC5 {
regulator-name = "DCDC5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <1700000>;
regulator-suspend-min-microvolt = <1700000>;
};
};
/* IR_3V3 */
ldo1_reg: LDO1 {
regulator-name = "LDO1";
regulator-always-on;
regulator-boot-on;
};
/* Core1_3V3 */
ldo2_reg: LDO2 {
regulator-name = "LDO2";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <3000000>;
regulator-suspend-min-microvolt = <3000000>;
};
};
/* Core5_1V2 */
ldo3_reg: LDO3 {
regulator-name = "LDO3";
regulator-always-on;
regulator-boot-on;
};
ldo4_reg: LDO4 {
regulator-name = "LDO4";
regulator-boot-on;
};
/* SPD_3V3 */
ldo5_reg: LDO5 {
regulator-name = "LDO5";
regulator-always-on;
regulator-boot-on;
};
/* DDR_0V6 */
ldo6_reg: LDO6 {
regulator-name = "LDO6";
regulator-always-on;
regulator-boot-on;
};
/* VDD_PWM */
ldo7_reg: LDO7 {
regulator-name = "LDO7";
regulator-always-on;
regulator-boot-on;
};
/* ldo_1v8 */
ldo8_reg: LDO8 {
regulator-name = "LDO8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
ldo9_reg: LDO9 {
regulator-name = "LDO9";
regulator-boot-on;
};
ldo10_reg: LDO10 {
regulator-name = "LDO10";
regulator-boot-on;
};
ldortc1_reg: LDORTC1 {
regulator-name = "LDORTC1";
regulator-always-on;
regulator-boot-on;
};
};
};
};
®_vdd1p1 {
vin-supply = <&dcdc2_reg>;
};
®_vdd2p5 {
vin-supply = <&dcdc2_reg>;
};
®_arm {
vin-supply = <&dcdc3_reg>;
};
®_soc {
vin-supply = <&dcdc1_reg>;
};
®_pu {
vin-supply = <&dcdc1_reg>;
};
&snvs_rtc {
/*
* We are using the RTC in the PMIC, but this one is not disabled
* in imx6sl.dtsi.
*/
status = "disabled";
};
&uart1 {
/* J4, through-holes */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
status = "okay";
};
&uart4 {
/* TP198, next to J4, SMD pads */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart4>;
status = "okay";
};
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc2>;
pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
pinctrl-3 = <&pinctrl_usdhc2_sleep>;
non-removable;
status = "okay";
/* internal uSD card */
};
&usdhc3 {
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc3>;
pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
pinctrl-3 = <&pinctrl_usdhc3_sleep>;
vmmc-supply = <®_wifi>;
mmc-pwrseq = <&wifi_pwrseq>;
cap-power-off-card;
non-removable;
status = "okay";
/*
* RTL8189F SDIO WiFi
*/
};
&usbotg1 {
disable-over-current;
srp-disable;
hnp-disable;
adp-disable;
status = "okay";
};
&iomuxc {
pinctrl_gpio_keys: gpio-keysgrp {
fsl,pins = <
MX6SL_PAD_SD1_DAT1__GPIO5_IO08 0x17059
MX6SL_PAD_SD1_DAT4__GPIO5_IO12 0x17059
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX6SL_PAD_I2C1_SCL__I2C1_SCL 0x4001f8b1
MX6SL_PAD_I2C1_SDA__I2C1_SDA 0x4001f8b1
>;
};
pinctrl_i2c1_sleep: i2c1-sleepgrp {
fsl,pins = <
MX6SL_PAD_I2C1_SCL__I2C1_SCL 0x400108b1
MX6SL_PAD_I2C1_SDA__I2C1_SDA 0x400108b1
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX6SL_PAD_I2C2_SCL__I2C2_SCL 0x4001f8b1
MX6SL_PAD_I2C2_SDA__I2C2_SDA 0x4001f8b1
>;
};
pinctrl_i2c2_sleep: i2c2-sleepgrp {
fsl,pins = <
MX6SL_PAD_I2C2_SCL__I2C2_SCL 0x400108b1
MX6SL_PAD_I2C2_SDA__I2C2_SDA 0x400108b1
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6SL_PAD_REF_CLK_24M__I2C3_SCL 0x4001f8b1
MX6SL_PAD_REF_CLK_32K__I2C3_SDA 0x4001f8b1
>;
};
pinctrl_led: ledgrp {
fsl,pins = <
MX6SL_PAD_SD1_DAT6__GPIO5_IO07 0x17059
>;
};
pinctrl_lm3630a_bl_gpio: lm3630a-bl-gpiogrp {
fsl,pins = <
MX6SL_PAD_EPDC_PWRCTRL3__GPIO2_IO10 0x10059 /* HWEN */
>;
};
pinctrl_ricoh_gpio: ricoh-gpiogrp {
fsl,pins = <
MX6SL_PAD_SD1_CLK__GPIO5_IO15 0x1b8b1 /* ricoh619 chg */
MX6SL_PAD_SD1_DAT0__GPIO5_IO11 0x1b8b1 /* ricoh619 irq */
MX6SL_PAD_KEY_COL2__GPIO3_IO28 0x1b8b1 /* ricoh619 bat_low_int */
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6SL_PAD_UART1_TXD__UART1_TX_DATA 0x1b0b1
MX6SL_PAD_UART1_RXD__UART1_RX_DATA 0x1b0b1
>;
};
pinctrl_uart4: uart4grp {
fsl,pins = <
MX6SL_PAD_KEY_ROW6__UART4_TX_DATA 0x1b0b1
MX6SL_PAD_KEY_COL6__UART4_RX_DATA 0x1b0b1
>;
};
pinctrl_usbotg1: usbotg1grp {
fsl,pins = <
MX6SL_PAD_EPDC_PWRCOM__USB_OTG1_ID 0x17059
>;
};
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <
MX6SL_PAD_SD2_CMD__SD2_CMD 0x17059
MX6SL_PAD_SD2_CLK__SD2_CLK 0x13059
MX6SL_PAD_SD2_DAT0__SD2_DATA0 0x17059
MX6SL_PAD_SD2_DAT1__SD2_DATA1 0x17059
MX6SL_PAD_SD2_DAT2__SD2_DATA2 0x17059
MX6SL_PAD_SD2_DAT3__SD2_DATA3 0x17059
>;
};
pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
fsl,pins = <
MX6SL_PAD_SD2_CMD__SD2_CMD 0x170b9
MX6SL_PAD_SD2_CLK__SD2_CLK 0x130b9
MX6SL_PAD_SD2_DAT0__SD2_DATA0 0x170b9
MX6SL_PAD_SD2_DAT1__SD2_DATA1 0x170b9
MX6SL_PAD_SD2_DAT2__SD2_DATA2 0x170b9
MX6SL_PAD_SD2_DAT3__SD2_DATA3 0x170b9
>;
};
pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
fsl,pins = <
MX6SL_PAD_SD2_CMD__SD2_CMD 0x170f9
MX6SL_PAD_SD2_CLK__SD2_CLK 0x130f9
MX6SL_PAD_SD2_DAT0__SD2_DATA0 0x170f9
MX6SL_PAD_SD2_DAT1__SD2_DATA1 0x170f9
MX6SL_PAD_SD2_DAT2__SD2_DATA2 0x170f9
MX6SL_PAD_SD2_DAT3__SD2_DATA3 0x170f9
>;
};
pinctrl_usdhc2_sleep: usdhc2-sleepgrp {
fsl,pins = <
MX6SL_PAD_SD2_CMD__GPIO5_IO04 0x100f9
MX6SL_PAD_SD2_CLK__GPIO5_IO05 0x100f9
MX6SL_PAD_SD2_DAT0__GPIO5_IO01 0x100f9
MX6SL_PAD_SD2_DAT1__GPIO4_IO30 0x100f9
MX6SL_PAD_SD2_DAT2__GPIO5_IO03 0x100f9
MX6SL_PAD_SD2_DAT3__GPIO4_IO28 0x100f9
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX6SL_PAD_SD3_CMD__SD3_CMD 0x11059
MX6SL_PAD_SD3_CLK__SD3_CLK 0x11059
MX6SL_PAD_SD3_DAT0__SD3_DATA0 0x11059
MX6SL_PAD_SD3_DAT1__SD3_DATA1 0x11059
MX6SL_PAD_SD3_DAT2__SD3_DATA2 0x11059
MX6SL_PAD_SD3_DAT3__SD3_DATA3 0x11059
>;
};
pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
fsl,pins = <
MX6SL_PAD_SD3_CMD__SD3_CMD 0x170b9
MX6SL_PAD_SD3_CLK__SD3_CLK 0x170b9
MX6SL_PAD_SD3_DAT0__SD3_DATA0 0x170b9
MX6SL_PAD_SD3_DAT1__SD3_DATA1 0x170b9
MX6SL_PAD_SD3_DAT2__SD3_DATA2 0x170b9
MX6SL_PAD_SD3_DAT3__SD3_DATA3 0x170b9
>;
};
pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
fsl,pins = <
MX6SL_PAD_SD3_CMD__SD3_CMD 0x170f9
MX6SL_PAD_SD3_CLK__SD3_CLK 0x170f9
MX6SL_PAD_SD3_DAT0__SD3_DATA0 0x170f9
MX6SL_PAD_SD3_DAT1__SD3_DATA1 0x170f9
MX6SL_PAD_SD3_DAT2__SD3_DATA2 0x170f9
MX6SL_PAD_SD3_DAT3__SD3_DATA3 0x170f9
>;
};
pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
fsl,pins = <
MX6SL_PAD_SD3_CMD__GPIO5_IO21 0x100c1
MX6SL_PAD_SD3_CLK__GPIO5_IO18 0x100c1
MX6SL_PAD_SD3_DAT0__GPIO5_IO19 0x100c1
MX6SL_PAD_SD3_DAT1__GPIO5_IO20 0x100c1
MX6SL_PAD_SD3_DAT2__GPIO5_IO16 0x100c1
MX6SL_PAD_SD3_DAT3__GPIO5_IO17 0x100c1
>;
};
pinctrl_wifi_power: wifi-powergrp {
fsl,pins = <
MX6SL_PAD_SD2_DAT6__GPIO4_IO29 0x10059 /* WIFI_3V3_ON */
>;
};
pinctrl_wifi_reset: wifi-resetgrp {
fsl,pins = <
MX6SL_PAD_SD2_DAT7__GPIO5_IO00 0x10059 /* WIFI_RST */
>;
};
};
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