// SPDX-License-Identifier: (GPL-2.0)
/*
* Device tree for the Kobo Libra H2O ebook reader
*
* Name on mainboard is: 37NB-E70K0M+6A3
* Serials start with: E70K02 (a number also seen in
* vendor kernel sources)
*
* This mainboard seems to be equipped with different SoCs.
* In the Kobo Libra H2O ebook reader it is an i.MX6SLL
*
* Copyright 2021 Andreas Kemnade
* based on works
* Copyright 2016 Freescale Semiconductor, Inc.
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include "imx6sll.dtsi"
#include "e70k02.dtsi"
/ {
model = "Kobo Libra H2O";
compatible = "kobo,librah2o", "fsl,imx6sll";
};
&clks {
assigned-clocks = <&clks IMX6SLL_CLK_PLL4_AUDIO_DIV>;
assigned-clock-rates = <393216000>;
};
&cpu0 {
arm-supply = <&dcdc3_reg>;
soc-supply = <&dcdc1_reg>;
};
&gpio_keys {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_keys>;
};
&i2c1 {
pinctrl-names = "default","sleep";
pinctrl-0 = <&pinctrl_i2c1>;
pinctrl-1 = <&pinctrl_i2c1_sleep>;
};
&i2c2 {
pinctrl-names = "default","sleep";
pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_sleep>;
};
&i2c3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
};
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
pinctrl_gpio_keys: gpio-keysgrp {
fsl,pins = <
MX6SLL_PAD_GPIO4_IO25__GPIO4_IO25 0x17059 /* PWR_SW */
MX6SLL_PAD_GPIO4_IO23__GPIO4_IO23 0x17059 /* HALL_EN */
MX6SLL_PAD_KEY_COL4__GPIO4_IO00 0x17059 /* PAGE_UP */
MX6SLL_PAD_KEY_COL5__GPIO4_IO02 0x17059 /* PAGE_DOWN */
>;
};
pinctrl_hog: hoggrp {
fsl,pins = <
MX6SLL_PAD_LCD_DATA01__GPIO2_IO21 0x79
MX6SLL_PAD_LCD_DATA04__GPIO2_IO24 0x79
MX6SLL_PAD_LCD_DATA05__GPIO2_IO25 0x79
MX6SLL_PAD_LCD_DATA06__GPIO2_IO26 0x79
MX6SLL_PAD_LCD_DATA07__GPIO2_IO27 0x79
MX6SLL_PAD_LCD_DATA08__GPIO2_IO28 0x79
MX6SLL_PAD_LCD_DATA09__GPIO2_IO29 0x79
MX6SLL_PAD_LCD_DATA10__GPIO2_IO30 0x79
MX6SLL_PAD_LCD_DATA11__GPIO2_IO31 0x79
MX6SLL_PAD_LCD_DATA12__GPIO3_IO00 0x79
MX6SLL_PAD_LCD_DATA13__GPIO3_IO01 0x79
MX6SLL_PAD_LCD_DATA14__GPIO3_IO02 0x79
MX6SLL_PAD_LCD_DATA15__GPIO3_IO03 0x79
MX6SLL_PAD_LCD_DATA16__GPIO3_IO04 0x79
MX6SLL_PAD_LCD_DATA17__GPIO3_IO05 0x79
MX6SLL_PAD_LCD_DATA18__GPIO3_IO06 0x79
MX6SLL_PAD_LCD_DATA19__GPIO3_IO07 0x79
MX6SLL_PAD_LCD_DATA20__GPIO3_IO08 0x79
MX6SLL_PAD_LCD_DATA21__GPIO3_IO09 0x79
MX6SLL_PAD_LCD_DATA22__GPIO3_IO10 0x79
MX6SLL_PAD_LCD_DATA23__GPIO3_IO11 0x79
MX6SLL_PAD_LCD_CLK__GPIO2_IO15 0x79
MX6SLL_PAD_LCD_ENABLE__GPIO2_IO16 0x79
MX6SLL_PAD_LCD_HSYNC__GPIO2_IO17 0x79
MX6SLL_PAD_LCD_VSYNC__GPIO2_IO18 0x79
MX6SLL_PAD_LCD_RESET__GPIO2_IO19 0x79
MX6SLL_PAD_GPIO4_IO21__GPIO4_IO21 0x79
MX6SLL_PAD_GPIO4_IO26__GPIO4_IO26 0x79
MX6SLL_PAD_KEY_COL3__GPIO3_IO30 0x79
MX6SLL_PAD_KEY_ROW7__GPIO4_IO07 0x79
MX6SLL_PAD_ECSPI2_MOSI__GPIO4_IO13 0x79
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x4001f8b1
MX6SLL_PAD_I2C1_SDA__I2C1_SDA 0x4001f8b1
>;
};
pinctrl_i2c1_sleep: i2c1grp-sleep {
fsl,pins = <
MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x400108b1
MX6SLL_PAD_I2C1_SDA__I2C1_SDA 0x400108b1
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX6SLL_PAD_I2C2_SCL__I2C2_SCL 0x4001f8b1
MX6SLL_PAD_I2C2_SDA__I2C2_SDA 0x4001f8b1
>;
};
pinctrl_i2c2_sleep: i2c2grp-sleep {
fsl,pins = <
MX6SLL_PAD_I2C2_SCL__I2C2_SCL 0x400108b1
MX6SLL_PAD_I2C2_SDA__I2C2_SDA 0x400108b1
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6SLL_PAD_REF_CLK_24M__I2C3_SCL 0x4001f8b1
MX6SLL_PAD_REF_CLK_32K__I2C3_SDA 0x4001f8b1
>;
};
pinctrl_led: ledgrp {
fsl,pins = <
MX6SLL_PAD_GPIO4_IO17__GPIO4_IO17 0x10059
>;
};
pinctrl_lm3630a_bl_gpio: lm3630a-bl-gpiogrp {
fsl,pins = <
MX6SLL_PAD_EPDC_PWR_CTRL3__GPIO2_IO10 0x10059 /* HWEN */
>;
};
pinctrl_ricoh_gpio: ricoh-gpiogrp {
fsl,pins = <
MX6SLL_PAD_GPIO4_IO20__GPIO4_IO20 0x1b8b1 /* ricoh619 chg */
MX6SLL_PAD_GPIO4_IO19__GPIO4_IO19 0x1b8b1 /* ricoh619 irq */
MX6SLL_PAD_KEY_COL2__GPIO3_IO28 0x1b8b1 /* ricoh619 bat_low_int */
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1
MX6SLL_PAD_UART1_RXD__UART1_DCE_RX 0x1b0b1
>;
};
pinctrl_usbotg1: usbotg1grp {
fsl,pins = <
MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
>;
};
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX6SLL_PAD_SD1_CMD__SD1_CMD 0x17059
MX6SLL_PAD_SD1_CLK__SD1_CLK 0x17059
MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x17059
MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x17059
MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x17059
MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x17059
MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x17059
MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x17059
MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x17059
MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x17059
>;
};
pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
fsl,pins = <
MX6SLL_PAD_SD1_CMD__SD1_CMD 0x170b9
MX6SLL_PAD_SD1_CLK__SD1_CLK 0x170b9
MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x170b9
MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x170b9
MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x170b9
MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x170b9
MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x170b9
MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x170b9
MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x170b9
MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x170b9
>;
};
pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
fsl,pins = <
MX6SLL_PAD_SD1_CMD__SD1_CMD 0x170f9
MX6SLL_PAD_SD1_CLK__SD1_CLK 0x170f9
MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x170f9
MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x170f9
MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x170f9
MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x170f9
MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x170b9
MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x170b9
MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x170b9
MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x170b9
>;
};
pinctrl_usdhc1_sleep: usdhc1-sleepgrp {
fsl,pins = <
MX6SLL_PAD_SD1_CMD__SD1_CMD 0x10059
MX6SLL_PAD_SD1_CLK__SD1_CLK 0x10059
MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x10059
MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x10059
MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x10059
MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x10059
MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x10059
MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x10059
MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x10059
MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x10059
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX6SLL_PAD_SD3_CMD__SD3_CMD 0x11059
MX6SLL_PAD_SD3_CLK__SD3_CLK 0x11059
MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x11059
MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x11059
MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x11059
MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x11059
>;
};
pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
fsl,pins = <
MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170b9
MX6SLL_PAD_SD3_CLK__SD3_CLK 0x170b9
MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170b9
MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170b9
MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170b9
MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170b9
>;
};
pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
fsl,pins = <
MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170f9
MX6SLL_PAD_SD3_CLK__SD3_CLK 0x170f9
MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170f9
MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170f9
MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170f9
MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170f9
>;
};
pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
fsl,pins = <
MX6SLL_PAD_SD3_CMD__GPIO5_IO21 0x100c1
MX6SLL_PAD_SD3_CLK__GPIO5_IO18 0x100c1
MX6SLL_PAD_SD3_DATA0__GPIO5_IO19 0x100c1
MX6SLL_PAD_SD3_DATA1__GPIO5_IO20 0x100c1
MX6SLL_PAD_SD3_DATA2__GPIO5_IO16 0x100c1
MX6SLL_PAD_SD3_DATA3__GPIO5_IO17 0x100c1
>;
};
pinctrl_wifi_power: wifi-powergrp {
fsl,pins = <
MX6SLL_PAD_SD2_DATA6__GPIO4_IO29 0x10059 /* WIFI_3V3_ON */
>;
};
pinctrl_wifi_reset: wifi-resetgrp {
fsl,pins = <
MX6SLL_PAD_SD2_DATA7__GPIO5_IO00 0x10059 /* WIFI_RST */
>;
};
};
&leds {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_led>;
};
&lm3630a {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lm3630a_bl_gpio>;
};
®_wifi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi_power>;
};
&ricoh619 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ricoh_gpio>;
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
};
&usdhc1 {
pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
pinctrl-0 = <&pinctrl_usdhc1>;
pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
pinctrl-3 = <&pinctrl_usdhc1_sleep>;
};
&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>;
};
&wifi_pwrseq {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi_reset>;
};
