On Sat, Aug 15, 2020 at 09:33:36PM +0200, Andreas Kemnade wrote:
> This adds a devicetree for the Tolino Shine 2 HD Ebook reader. It is based
> on boards marked with "37NB-E60QF0+4A2". It is equipped with an i.MX6SL
> SoC.
> 
> Expected to work:
> - Buttons
> - Wifi
> - Touchscreen
> - LED
> - uSD
> - USB
> - RTC
> 
> Not working due to missing drivers:
> - Backlight (requires NTXEC driver)
> - EPD
> 
> Not working due to unknown reasons:
> - deep sleep (echo standby >/sys/power/state works),
>   wakeup fails when imx_gpc_pre_suspend(true) was called.
> 
> Signed-off-by: Andreas Kemnade <andr...@kemnade.info>
> ---
> Reason for RFC: The suspend trouble might be caused by bad devicetree.
> But as the devicetree is already useful I decided to submit it.
> 
>  arch/arm/boot/dts/Makefile                   |   1 +
>  arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts | 582 +++++++++++++++++++
>  2 files changed, 583 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e6a1cac0bfc7..c65fa3852246 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -581,6 +581,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>       imx6qp-zii-rdu2.dtb
>  dtb-$(CONFIG_SOC_IMX6SL) += \
>       imx6sl-evk.dtb \
> +     imx6sl-tolino-shine2hd.dtb \
>       imx6sl-tolino-shine3.dtb \
>       imx6sl-warp.dtb
>  dtb-$(CONFIG_SOC_IMX6SLL) += \
> diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts 
> b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
> new file mode 100644
> index 000000000000..7b28e19a1d98
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
> @@ -0,0 +1,582 @@
> +// SPDX-License-Identifier: (GPL-2.0)
> +/*
> + * Device tree for the Tolino Shine 2 HD ebook reader
> + *
> + * Name on mainboard is: 37NB-E60QF0+4A2
> + * Serials start with: E60QF2
> + *
> + * Copyright 2020 Andreas Kemnade
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include "imx6sl.dtsi"
> +
> +/ {
> +     model = "Tolino Shine 2 HD";
> +     compatible = "kobo,tolino-shine2hd", "fsl,imx6sl";
> +
> +     chosen {
> +             stdout-path = &uart1;
> +     };
> +
> +     gpio_keys: gpio-keys {
> +             compatible = "gpio-keys";
> +             pinctrl-names = "default";
> +             pinctrl-0 = <&pinctrl_gpio_keys>;
> +
> +             cover {
> +                     label = "Cover";
> +                     gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
> +                     linux,code = <SW_LID>;
> +                     linux,input-type = <EV_SW>;
> +                     wakeup-source;
> +             };
> +
> +             fl {
> +                     label = "Frontlight";
> +                     gpios = <&gpio3 26 GPIO_ACTIVE_LOW>;
> +                     linux,code = <KEY_BRIGHTNESS_CYCLE>;
> +             };
> +
> +             home {
> +                     label = "Home";
> +                     gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
> +                     linux,code = <KEY_HOME>;
> +             };
> +
> +             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>;
> +
> +             on {
> +                     label = "tolinoshine2hd:white:on";
> +                     gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> +                     linux,default-trigger = "timer";
> +             };
> +     };
> +
> +     memory@80000000 {
> +             device_type = "memory";
> +             reg = <0x80000000 0x20000000>;
> +     };
> +
> +     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_HIGH>;

Missing enable-active-high?

> +     };
> +
> +     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";
> +
> +     /* TODO: embedded controller at 0x43 (driver missing) */
> +
> +};
> +
> +&i2c2 {
> +     pinctrl-names = "default","sleep";
> +     pinctrl-0 = <&pinctrl_i2c2>;
> +     pinctrl-1 = <&pinctrl_i2c2_sleep>;
> +     clock-frequency = <100000>;
> +     status = "okay";
> +
> +     zforce: touchscreen@50 {
> +             compatible = "neonode,zforce";
> +             pinctrl-names = "default";
> +             pinctrl-0 = <&pinctrl_zforce>;
> +             reg = <0x50>;
> +             interrupt-parent = <&gpio5>;
> +             interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
> +             vdd-supply = <&ldo1_reg>;
> +

Unnecessary newline.

> +             reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
> +             x-size = <1072>;
> +             y-size = <1448>;
> +     };
> +
> +     /* TODO: TPS65185 PMIC for E Ink at 0x68 */
> +
> +};
> +
> +&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_EDGE_FALLING>;
> +             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-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;
> +                     };
> +             };
> +     };
> +};
> +
> +&iomuxc {
> +     pinctrl-names = "default";
> +     pinctrl-0 = <&pinctrl_hog>;
> +
> +     pinctrl_gpio_keys: gpio-keysgrp {
> +             fsl,pins = <
> +                     MX6SL_PAD_SD1_DAT1__GPIO5_IO08  0x17059
> +                     MX6SL_PAD_SD1_DAT4__GPIO5_IO12  0x17059
> +                     MX6SL_PAD_KEY_COL1__GPIO3_IO26  0x17059
> +                     MX6SL_PAD_KEY_ROW0__GPIO3_IO25  0x17059
> +             >;
> +     };
> +
> +     pinctrl_hog: hoggrp {
> +             fsl,pins = <
> +                     MX6SL_PAD_LCD_DAT0__GPIO2_IO20  0x79
> +                     MX6SL_PAD_LCD_DAT1__GPIO2_IO21  0x79
> +                     MX6SL_PAD_LCD_DAT2__GPIO2_IO22  0x79
> +                     MX6SL_PAD_LCD_DAT3__GPIO2_IO23  0x79
> +                     MX6SL_PAD_LCD_DAT4__GPIO2_IO24  0x79
> +                     MX6SL_PAD_LCD_DAT5__GPIO2_IO25  0x79
> +                     MX6SL_PAD_LCD_DAT6__GPIO2_IO26  0x79
> +                     MX6SL_PAD_LCD_DAT7__GPIO2_IO27  0x79
> +                     MX6SL_PAD_LCD_DAT8__GPIO2_IO28  0x79
> +                     MX6SL_PAD_LCD_DAT9__GPIO2_IO29  0x79
> +                     MX6SL_PAD_LCD_DAT10__GPIO2_IO30 0x79
> +                     MX6SL_PAD_LCD_DAT11__GPIO2_IO31 0x79
> +                     MX6SL_PAD_LCD_DAT12__GPIO3_IO00 0x79
> +                     MX6SL_PAD_LCD_DAT13__GPIO3_IO01 0x79
> +                     MX6SL_PAD_LCD_DAT14__GPIO3_IO02 0x79
> +                     MX6SL_PAD_LCD_DAT15__GPIO3_IO03 0x79
> +                     MX6SL_PAD_LCD_DAT16__GPIO3_IO04 0x79
> +                     MX6SL_PAD_LCD_DAT17__GPIO3_IO05 0x79
> +                     MX6SL_PAD_LCD_DAT18__GPIO3_IO06 0x79
> +                     MX6SL_PAD_LCD_DAT19__GPIO3_IO07 0x79
> +                     MX6SL_PAD_LCD_DAT20__GPIO3_IO08 0x79
> +                     MX6SL_PAD_LCD_DAT21__GPIO3_IO09 0x79
> +                     MX6SL_PAD_LCD_DAT22__GPIO3_IO10 0x79
> +                     MX6SL_PAD_LCD_DAT23__GPIO3_IO11 0x79
> +                     MX6SL_PAD_LCD_CLK__GPIO2_IO15           0x79
> +                     MX6SL_PAD_LCD_ENABLE__GPIO2_IO16        0x79
> +                     MX6SL_PAD_LCD_HSYNC__GPIO2_IO17 0x79
> +                     MX6SL_PAD_LCD_VSYNC__GPIO2_IO18 0x79
> +                     MX6SL_PAD_LCD_RESET__GPIO2_IO19 0x79
> +                     MX6SL_PAD_KEY_COL3__GPIO3_IO30          0x79
> +                     MX6SL_PAD_KEY_ROW7__GPIO4_IO07          0x79
> +                     MX6SL_PAD_ECSPI2_MOSI__GPIO4_IO13       0x79
> +                     MX6SL_PAD_KEY_COL5__GPIO4_IO02          0x79
> +                     MX6SL_PAD_KEY_ROW6__GPIO4_IO05          0x79
> +             >;
> +     };
> +
> +     pinctrl_i2c1: i2c1grp {
> +             fsl,pins = <
> +                     MX6SL_PAD_I2C1_SCL__I2C1_SCL     0x4001f8b1
> +                     MX6SL_PAD_I2C1_SDA__I2C1_SDA     0x4001f8b1
> +             >;
> +     };
> +
> +     pinctrl_i2c1_sleep: i2c1grp-sleep {
> +             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: i2c2grp-sleep {
> +             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_DAT2__GPIO5_IO13 0x17059
> +             >;
> +     };
> +
> +     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_TX_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: usdhc2grp-100mhz {
> +             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: usdhc2grp-200mhz {
> +             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: usdhc2grp-sleep {
> +             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: usdhc3grp-100mhz {
> +             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: usdhc3grp-200mhz {
> +             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: usdhc3grp-sleep {
> +             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 */
> +             >;
> +     };
> +
> +     pinctrl_zforce: zforcegrp {
> +             fsl,pins = <
> +                     MX6SL_PAD_SD1_DAT3__GPIO5_IO06          0x17059 /* 
> TP_INT */
> +                     MX6SL_PAD_SD1_DAT5__GPIO5_IO09          0x10059 /* 
> TP_RST */
> +             >;
> +     };
> +};
> +
> +&reg_vdd1p1 {
> +     vin-supply = <&dcdc2_reg>;
> +};
> +
> +&reg_vdd2p5 {
> +     vin-supply = <&dcdc2_reg>;
> +};
> +
> +&reg_arm {
> +     vin-supply = <&dcdc3_reg>;
> +};
> +
> +&reg_soc {
> +     vin-supply = <&dcdc1_reg>;
> +};
> +
> +&reg_pu {
> +     vin-supply = <&dcdc1_reg>;
> +};
> +
> +&snvs_rtc {
> +     /* we are using the RTC in the PMIC, not disabled in imx6sl.dtsi */
> +     status = "disabled";
> +};
> +
> +&uart1 {
> +     pinctrl-names = "default";
> +     pinctrl-0 = <&pinctrl_uart1>;
> +     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";
> +};
> +
> +&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 = <&reg_wifi>;
> +     mmc-pwrseq = <&wifi_pwrseq>;
> +     cap-power-off-card;
> +     non-removable;
> +     status = "okay";
> +
> +     /* CyberTan WC121 SDIO WiFi */
> +};
> +
> +

One newline is good enough.

Shawn

> +&usbotg1 {
> +     pinctrl-names = "default";
> +     disable-over-current;
> +     srp-disable;
> +     hnp-disable;
> +     adp-disable;
> +     status = "okay";
> +};
> -- 
> 2.20.1
> 
> 
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