This work is based on the devicetree that can be found in the source code published by the device vendor[1], and on testing on the hardware as not all the parts described in the vendor's imx6sll-e60qm2.dts are populated on the PCB. [1]: https://github.com/kobolabs/Kobo-Reader/blob/master/hw/imx6sll-aurah2o2-aura/kernel.tar.bz2 Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@xxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx6sll-aura-h2o-2.dts | 258 +++++++++++++++++++++++ 2 files changed, 259 insertions(+) create mode 100644 arch/arm/boot/dts/imx6sll-aura-h2o-2.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 9159fa2cea90..67a568a66e49 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -551,6 +551,7 @@ dtb-$(CONFIG_SOC_IMX6SL) += \ imx6sl-evk.dtb \ imx6sl-warp.dtb dtb-$(CONFIG_SOC_IMX6SLL) += \ + imx6sll-aura-h2o-2 \ imx6sll-evk.dtb dtb-$(CONFIG_SOC_IMX6SX) += \ imx6sx-nitrogen6sx.dtb \ diff --git a/arch/arm/boot/dts/imx6sll-aura-h2o-2.dts b/arch/arm/boot/dts/imx6sll-aura-h2o-2.dts new file mode 100644 index 000000000000..5989866bb043 --- /dev/null +++ b/arch/arm/boot/dts/imx6sll-aura-h2o-2.dts @@ -0,0 +1,258 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright (C) 2019 Denis 'GNUtoo' Carikli <GNUtoo@xxxxxxxxxxxxxxxxxx> + */ + +/dts-v1/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include "imx6sll.dtsi" + +/ { + model = "Kobo Aura H2O Edition 2"; + compatible = "kobo,aura-h2o-2", "fsl,imx6sll"; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x20000000>; + }; + + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_led>; + + user { + label = "GLED"; + gpios = <&gpio4 22 GPIO_ACTIVE_LOW>; + linux,default-trigger = "timer"; + }; + }; +}; + +&cpu0 { + arm-supply = <®_dcdc3>; + soc-supply = <®_dcdc1>; +}; + +&gpc { + fsl,ldo-bypass = <1>; +}; + +&i2c3 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; + + ricoh_rc5t619@32 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ricoh_rc5t619>; + compatible = "ricoh,rc5t619"; + reg = <0x32>; + system-power-controller; + + regulators { + reg_dcdc1: DCDC1 { + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1875000>; + regulator-boot-on; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <900000>; + }; + }; + + DCDC2 { + regulator-boot-on; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + reg_dcdc3: DCDC3 { + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1875000>; + regulator-boot-on; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1140000>; + }; + }; + + DCDC4 { + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-boot-on; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1140000>; + }; + }; + + DCDC5 { + regulator-boot-on; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1700000>; + }; + }; + + LDO1 { + regulator-boot-on; + regulator-always-on; + }; + + LDO2 { + regulator-boot-on; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3000000>; + }; + }; + + LDO3 { + regulator-boot-on; + regulator-always-on; + }; + + LDO4 { + regulator-boot-on; + }; + + LDO5 { + regulator-boot-on; + regulator-always-on; + }; + + LDO6 { + regulator-boot-on; + regulator-always-on; + }; + + LDO7 { + regulator-boot-on; + regulator-always-on; + }; + + LDO8 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO9 { + regulator-boot-on; + }; + + LDO10 { + regulator-boot-on; + }; + + LDORTC1 { + regulator-boot-on; + }; + + LDORTC2 { + regulator-boot-on; + }; + }; + }; +}; + +&iomuxc { + pinctrl-names = "default"; + + 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_IO22__GPIO4_IO22 0x17059 + >; + }; + + pinctrl_ricoh_rc5t619: ricoh_rc5t619_grp { + fsl,pins = < + /* chg */ + MX6SLL_PAD_GPIO4_IO20__GPIO4_IO20 0x1b8b1 + /* irq */ + MX6SLL_PAD_GPIO4_IO19__GPIO4_IO19 0x1b8b1 + /* bat_low_int */ + MX6SLL_PAD_KEY_COL2__GPIO3_IO28 0x1b8b1 + >; + }; + + pinctrl_uart1: uart1grp { + fsl,pins = < + MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1 + MX6SLL_PAD_UART1_RXD__UART1_DCE_RX 0x1b0b1 + >; + }; + + 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_usbotg1: usbotg1grp { + fsl,pins = < + MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059 + >; + }; +}; + +&snvs_poweroff { + status = "disabled"; +}; + +&snvs_pwrkey { + status = "disabled"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + + +&usdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1>; + bus-width = <8>; + no-1-8-v; + non-removable; + status = "okay"; +}; + +&usbotg1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg1>; + disable-over-current; + status = "okay"; +}; -- 2.23.0
