| // 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 */ |
| >; |
| }; |
| }; |
