| // 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>; |
| }; |
