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Date: Mon, 5 Aug 2019 10:52:32 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Shawn Guo <shawnguo@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
devicetree@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
linux-arm-kernel@...ts.infradead.org,
Schrempf Frieder <frieder.schrempf@...tron.de>
Subject: Re: [PATCH v3 2/2] ARM: dts: imx6ul-kontron-n6310: Add Kontron
i.MX6UL N6310 SoM and boards
On Sat, 3 Aug 2019 at 17:47, Shawn Guo <shawnguo@...nel.org> wrote:
>
> On Mon, Jul 29, 2019 at 07:20:07PM +0200, Krzysztof Kozlowski wrote:
> > Add support for i.MX6UL modules from Kontron Electronics GmbH (before
> > acquisition: Exceet Electronics) and evalkit boards based on it:
> >
> > 1. N6310 SOM: i.MX6 UL System-on-Module, a 25x25 mm solderable module
> > (LGA pads and pin castellations) with 256 MB RAM, 1 MB NOR-Flash,
> > 256 MB NAND and other interfaces,
> > 2. N6310 S: evalkit, w/wo eMMC, without display,
> > 3. N6310 S 43: evalkit with 4.3" display,
> > 4. N6310 S 50: evalkit with 5.0" display.
> >
> > This includes device nodes for unsupported displays (Admatec
> > T043C004800272T2A and T070P133T0S301).
>
> Do not include unsupported devices.
OK
>
> >
> > The work is based on Exceet/Kontron source code (GPLv2) with numerous
> > changes:
> > 1. Reorganize files,
> > 2. Rename Exceet -> Kontron,
> > 3. Rename models/compatibles to match newest Kontron product naming,
> > 4. Fix coding style errors and adjust to device tree coding guidelines,
> > 5. Fix DTC warnings,
> > 6. Extend compatibles so eval boards inherit the SoM compatible,
> > 7. Use defines instead of GPIO and interrupt flag values,
> > 8. Use proper vendor compatible for Macronix SPI NOR,
> > 9. Sort nodes alphabetically.
> >
> > Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> >
> > ---
> >
> > Changes since v2, after Fabio's review:
> > 1. Add "imx6ul" compatible to board name (that's what I understood from
> > review),
> > 2. Add vendor/device prefix to eeprom and document the compatible,
> > 3. Use "admatecde" as vendor compatible to avoid confusion with Admatec
> > AG in Switzerland (also making LCD panels),
> > 4. Use generic names for nodes,
> > 5. Use IRQ_TYPE_LEVEL_LOW,
> > 6. Move iomux to the end of files,
> > 7. Remove regulators node (include regulators in top level),
> > 8. Remove cpu clock-frequency,
> > 9. Other minor fixes pointed by Fabio.
> >
> > Changes since v1, after Frieder's review:
> > 1. Remove unneeded license notes,
> > 2. Add Kontron copyright (2018),
> > 3. Rename the files/models/compatibles to new naming - N6310,
> > 4. Remove unneeded CPU operating points override,
> > 5. Switch regulator nodes into simple children nodes without addresses
> > (so not simple bus),
> > 6. Use proper vendor compatible for Macronix SPI NOR.
> > ---
> > .../devicetree/bindings/arm/fsl.yaml | 4 +
> > .../devicetree/bindings/eeprom/at25.txt | 1 +
>
> Please make them two separate patches.
Sure.
>
> > arch/arm/boot/dts/Makefile | 3 +
> > .../boot/dts/imx6ul-kontron-n6310-s-43.dts | 119 +++++
> > .../boot/dts/imx6ul-kontron-n6310-s-50.dts | 119 +++++
>
> Are they identical except the display node? Please manage to save
> duplicated data.
Since removing of display panels (unsupported), there will be no
differentiation between S-43 and S-50.
>
> > arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts | 420 ++++++++++++++++++
> > .../boot/dts/imx6ul-kontron-n6310-som.dtsi | 134 ++++++
> > 7 files changed, 800 insertions(+)
> > create mode 100644 arch/arm/boot/dts/imx6ul-kontron-n6310-s-43.dts
> > create mode 100644 arch/arm/boot/dts/imx6ul-kontron-n6310-s-50.dts
> > create mode 100644 arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts
> > create mode 100644 arch/arm/boot/dts/imx6ul-kontron-n6310-som.dtsi
> >
> > diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> > index 7294ac36f4c0..6a6c09d67dea 100644
> > --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> > +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> > @@ -161,6 +161,10 @@ properties:
> > items:
> > - enum:
> > - fsl,imx6ul-14x14-evk # i.MX6 UltraLite 14x14 EVK Board
> > + - kontron,imx6ul-n6310-som # Kontron N6310 SOM
> > + - kontron,imx6ul-n6310-s # Kontron N6310 S Board
> > + - kontron,imx6ul-n6310-s-43 # Kontron N6310 S 43 Board
> > + - kontron,imx6ul-n6310-s-50 # Kontron N6310 S 50 Board
> > - const: fsl,imx6ul
> >
> > - description: i.MX6ULL based Boards
> > diff --git a/Documentation/devicetree/bindings/eeprom/at25.txt b/Documentation/devicetree/bindings/eeprom/at25.txt
> > index b3bde97dc199..42577dd113dd 100644
> > --- a/Documentation/devicetree/bindings/eeprom/at25.txt
> > +++ b/Documentation/devicetree/bindings/eeprom/at25.txt
> > @@ -3,6 +3,7 @@ EEPROMs (SPI) compatible with Atmel at25.
> > Required properties:
> > - compatible : Should be "<vendor>,<type>", and generic value "atmel,at25".
> > Example "<vendor>,<type>" values:
> > + "anvo,anv32e61w"
> > "microchip,25lc040"
> > "st,m95m02"
> > "st,m95256"
> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > index 9159fa2cea90..28b6cb3454a3 100644
> > --- a/arch/arm/boot/dts/Makefile
> > +++ b/arch/arm/boot/dts/Makefile
> > @@ -569,6 +569,9 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
> > imx6ul-geam.dtb \
> > imx6ul-isiot-emmc.dtb \
> > imx6ul-isiot-nand.dtb \
> > + imx6ul-kontron-n6310-s.dtb \
> > + imx6ul-kontron-n6310-s-43.dtb \
> > + imx6ul-kontron-n6310-s-50.dtb \
> > imx6ul-liteboard.dtb \
> > imx6ul-opos6uldev.dtb \
> > imx6ul-pico-hobbit.dtb \
> > diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6310-s-43.dts b/arch/arm/boot/dts/imx6ul-kontron-n6310-s-43.dts
> > new file mode 100644
> > index 000000000000..c83793725245
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6ul-kontron-n6310-s-43.dts
> > @@ -0,0 +1,119 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (C) 2017 exceet electronics GmbH
> > + * Copyright (C) 2018 Kontron Electronics GmbH
> > + * Copyright (c) 2019 Krzysztof Kozlowski <krzk@...nel.org>
> > + */
> > +
> > +#include "imx6ul-kontron-n6310-s.dts"
> > +
> > +/ {
> > + model = "Kontron N6310 S 43";
> > + compatible = "kontron,imx6ul-n6310-s-43", "kontron,imx6ul-n6310-s",
> > + "kontron,imx6ul-n6310-som", "fsl,imx6ul";
> > +
> > + backlight: backlight {
> > + compatible = "pwm-backlight";
> > + pwms = <&pwm7 0 5000000>;
> > + brightness-levels = <0 4 8 16 32 64 128 255>;
> > + default-brightness-level = <6>;
> > + status = "okay";
> > + };
> > +
> > + panel {
> > + compatible = "admatecde,t043c004800272t2a";
>
> Undocumented/unsupported compatible?
>
> > + backlight = <&backlight>;
> > +
> > + port {
> > + panel_in: endpoint {
> > + remote-endpoint = <&display_out>;
> > + };
> > + };
> > + };
> > +};
> > +
> > +&i2c4 {
> > + touchscreen@5d {
> > + compatible = "goodix,gt928";
> > + reg = <0x5d>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_cap_touch>;
> > + interrupt-parent = <&gpio5>;
> > + interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
> > + reset-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>;
> > + irq-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
> > + };
> > +};
> > +
> > +&lcdif {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>;
> > + status = "okay";
> > +
> > + port {
> > + display_out: endpoint {
> > + remote-endpoint = <&panel_in>;
> > + };
> > + };
> > +};
> > +
> > +&pwm7 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_pwm7>;
> > + status = "okay";
> > +};
> > +
> > +&iomuxc {
> > + pinctrl_lcdif_dat: lcdifdatgrp {
> > + fsl,pins = <
> > + MX6UL_PAD_LCD_DATA00__LCDIF_DATA00 0x79
> > + MX6UL_PAD_LCD_DATA01__LCDIF_DATA01 0x79
> > + MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x79
> > + MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x79
> > + MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x79
> > + MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x79
> > + MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x79
> > + MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x79
> > + MX6UL_PAD_LCD_DATA08__LCDIF_DATA08 0x79
> > + MX6UL_PAD_LCD_DATA09__LCDIF_DATA09 0x79
> > + MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x79
> > + MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x79
> > + MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x79
> > + MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79
> > + MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79
> > + MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79
> > + MX6UL_PAD_LCD_DATA16__LCDIF_DATA16 0x79
> > + MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x79
> > + MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79
> > + MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79
> > + MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79
> > + MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79
> > + MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79
> > + MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79
> > + >;
> > + };
> > +
> > + pinctrl_lcdif_ctrl: lcdifctrlgrp {
> > + fsl,pins = <
> > + MX6UL_PAD_LCD_CLK__LCDIF_CLK 0x79
> > + MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE 0x79
> > + MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC 0x79
> > + MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC 0x79
> > + MX6UL_PAD_LCD_RESET__LCDIF_RESET 0x79
> > + >;
> > + };
> > +
> > + pinctrl_cap_touch: captouchgrp {
> > + fsl,pins = <
> > + MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x1b0b0 /* Touch Interrupt */
> > + MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x1b0b0 /* Touch Reset */
> > + MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08 0x1b0b0 /* Touch Wake */
> > + >;
> > + };
> > +
> > + pinctrl_pwm7: pwm7grp {
> > + fsl,pins = <
> > + MX6UL_PAD_CSI_VSYNC__PWM7_OUT 0x110b0
> > + >;
> > + };
> > +};
> > diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6310-s-50.dts b/arch/arm/boot/dts/imx6ul-kontron-n6310-s-50.dts
> > new file mode 100644
> > index 000000000000..f9c9afa58771
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6ul-kontron-n6310-s-50.dts
> > @@ -0,0 +1,119 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (C) 2017 exceet electronics GmbH
> > + * Copyright (C) 2018 Kontron Electronics GmbH
> > + * Copyright (c) 2019 Krzysztof Kozlowski <krzk@...nel.org>
> > + */
> > +
> > +#include "imx6ul-kontron-n6310-s.dts"
> > +
> > +/ {
> > + model = "Kontron N6310 S 50";
> > + compatible = "kontron,imx6ul-n6310-s-50", "kontron,imx6ul-n6310-s",
> > + "kontron,imx6ul-n6310-som", "fsl,imx6ul";
> > +
> > + backlight: backlight {
> > + compatible = "pwm-backlight";
> > + pwms = <&pwm7 0 5000000>;
> > + brightness-levels = <0 4 8 16 32 64 128 255>;
> > + default-brightness-level = <6>;
> > + status = "okay";
> > + };
> > +
> > + panel {
> > + compatible = "admatecde,t070p133t0s301";
> > + backlight = <&backlight>;
> > +
> > + port {
> > + panel_in: endpoint {
> > + remote-endpoint = <&display_out>;
> > + };
> > + };
> > + };
> > +};
> > +
> > +&i2c4 {
> > + touchscreen@5d {
> > + compatible = "goodix,gt928";
> > + reg = <0x5d>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_cap_touch>;
> > + interrupt-parent = <&gpio5>;
> > + interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
> > + reset-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>;
> > + irq-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
> > + };
> > +};
> > +
> > +&lcdif {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>;
> > + status = "okay";
> > +
> > + port {
> > + display_out: endpoint {
> > + remote-endpoint = <&panel_in>;
> > + };
> > + };
> > +};
> > +
> > +&pwm7 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_pwm7>;
> > + status = "okay";
> > +};
> > +
> > +&iomuxc {
> > + pinctrl_lcdif_dat: lcdifdatgrp {
> > + fsl,pins = <
> > + MX6UL_PAD_LCD_DATA00__LCDIF_DATA00 0x79
> > + MX6UL_PAD_LCD_DATA01__LCDIF_DATA01 0x79
> > + MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x79
> > + MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x79
> > + MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x79
> > + MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x79
> > + MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x79
> > + MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x79
> > + MX6UL_PAD_LCD_DATA08__LCDIF_DATA08 0x79
> > + MX6UL_PAD_LCD_DATA09__LCDIF_DATA09 0x79
> > + MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x79
> > + MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x79
> > + MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x79
> > + MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79
> > + MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79
> > + MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79
> > + MX6UL_PAD_LCD_DATA16__LCDIF_DATA16 0x79
> > + MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x79
> > + MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79
> > + MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79
> > + MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79
> > + MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79
> > + MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79
> > + MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79
> > + >;
> > + };
> > +
> > + pinctrl_lcdif_ctrl: lcdifctrlgrp {
> > + fsl,pins = <
> > + MX6UL_PAD_LCD_CLK__LCDIF_CLK 0x79
> > + MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE 0x79
> > + MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC 0x79
> > + MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC 0x79
> > + MX6UL_PAD_LCD_RESET__LCDIF_RESET 0x79
> > + >;
> > + };
> > +
> > + pinctrl_cap_touch: captouchgrp {
> > + fsl,pins = <
> > + MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x1b0b0 /* Touch Interrupt */
> > + MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x1b0b0 /* Touch Reset */
> > + MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08 0x1b0b0 /* Touch Wake */
> > + >;
> > + };
> > +
> > + pinctrl_pwm7: pwm7grp {
> > + fsl,pins = <
> > + MX6UL_PAD_CSI_VSYNC__PWM7_OUT 0x110b0
> > + >;
> > + };
> > +};
> > diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts b/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts
> > new file mode 100644
> > index 000000000000..4206a4b3f0df
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts
> > @@ -0,0 +1,420 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (C) 2017 exceet electronics GmbH
> > + * Copyright (C) 2018 Kontron Electronics GmbH
> > + * Copyright (c) 2019 Krzysztof Kozlowski <krzk@...nel.org>
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include "imx6ul-kontron-n6310-som.dtsi"
> > +
> > +/ {
> > + model = "Kontron N6310 S";
> > + compatible = "kontron,imx6ul-n6310-s", "kontron,imx6ul-n6310-som",
> > + "fsl,imx6ul";
> > +
> > + pwm-beeper {
> > + compatible = "pwm-beeper";
> > + pwms = <&pwm8 0 5000>;
> > + };
> > +
> > + gpio-leds {
> > + compatible = "gpio-leds";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_gpio_leds>;
> > +
> > + led1 {
> > + label = "debug-led1";
> > + gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
> > + default-state = "off";
> > + linux,default-trigger = "heartbeat";
> > + };
> > +
> > + led2 {
> > + label = "debug-led2";
> > + gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
> > + default-state = "off";
> > + };
> > +
> > + led3 {
> > + label = "debug-led3";
> > + gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
> > + default-state = "off";
> > + };
> > + };
> > +
> > + reg_3v3: regulator-3v3 {
> > + compatible = "regulator-fixed";
> > + regulator-name = "3v3";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + };
> > +
> > + reg_vref_adc: regulator-vref-adc {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vref-adc";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + };
> > +
> > + reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
> > + compatible = "regulator-fixed";
> > + regulator-name = "usb_otg1_vbus";
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > + };
> > +};
> > +
> > +&adc1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_adc1>;
> > + num-channels = <3>;
> > + vref-supply = <®_vref_adc>;
> > + status = "okay";
> > +};
> > +
> > +&can2 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_flexcan2>;
> > + status = "okay";
> > +};
> > +
> > +&ecspi1 {
> > + cs-gpios = <&gpio4 26 GPIO_ACTIVE_HIGH>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_ecspi1>;
> > + status = "okay";
> > +
> > + eeprom@0 {
> > + compatible = "anvo,anv32e61w", "atmel,at25";
> > + reg = <0>;
> > + spi-max-frequency = <20000000>;
> > + spi-cpha;
> > + spi-cpol;
> > + pagesize = <1>;
> > + size = <8192>;
> > + address-width = <16>;
> > + };
> > +};
> > +
> > +&fec1 {
> > + pinctrl-0 = <&pinctrl_enet1>;
> > + /delete-node/ mdio;
> > +};
> > +
> > +&fec2 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_enet2 &pinctrl_enet2_mdio>;
> > + phy-mode = "rmii";
> > + phy-handle = <ðphy2>;
> > + status = "okay";
> > +
> > + mdio {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + ethphy1: ethernet-phy@1 {
> > + reg = <1>;
> > + micrel,led-mode = <0>;
> > + clocks = <&clks IMX6UL_CLK_ENET_REF>;
> > + clock-names = "rmii-ref";
> > + };
> > +
> > + ethphy2: ethernet-phy@2 {
> > + reg = <2>;
> > + micrel,led-mode = <0>;
> > + clocks = <&clks IMX6UL_CLK_ENET2_REF>;
> > + clock-names = "rmii-ref";
> > + };
> > + };
> > +};
> > +
> > +&i2c1 {
> > + clock-frequency = <100000>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_i2c1>;
> > + status = "okay";
> > +};
> > +
> > +&i2c4 {
> > + clock-frequency = <100000>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_i2c4>;
> > + status = "okay";
> > +
> > + rtc@32 {
> > + compatible = "epson,rx8900";
> > + reg = <0x32>;
> > + };
> > +};
> > +
> > +&pwm8 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_pwm8>;
> > + status = "okay";
> > +};
> > +
> > +&snvs_poweroff {
> > + status = "okay";
> > +};
> > +
> > +&uart1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart1>;
> > + status = "okay";
> > +};
> > +
> > +&uart2 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart2>;
> > + linux,rs485-enabled-at-boot-time;
> > + rs485-rx-during-tx;
> > + rs485-rts-active-low;
> > + uart-has-rtscts;
> > + status = "okay";
> > +};
> > +
> > +&uart3 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart3>;
> > + fsl,uart-has-rtscts;
> > + status = "okay";
> > +};
> > +
> > +&uart4 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart4>;
> > + status = "okay";
> > +};
> > +
> > +&usbotg1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_usbotg1>;
> > + dr_mode = "otg";
> > + srp-disable;
> > + hnp-disable;
> > + adp-disable;
> > + vbus-supply = <®_usb_otg1_vbus>;
> > + status = "okay";
> > +};
> > +
> > +&usbotg2 {
> > + dr_mode = "host";
> > + disable-over-current;
> > + status = "okay";
> > +};
> > +
> > +&usdhc1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_usdhc1>;
> > + cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
> > + keep-power-in-suspend;
> > + enable-sdio-wakeup;
>
> Check Documentation/devicetree/bindings/power/wakeup-source.txt
Indeed, thanks.
> > + vmmc-supply = <®_3v3>;
> > + voltage-ranges = <3300 3300>;
> > + no-1-8-v;
> > + status = "okay";
> > +};
> > +
> > +&usdhc2 {
> > + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > + pinctrl-0 = <&pinctrl_usdhc2>;
> > + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> > + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> > + non-removable;
> > + keep-power-in-suspend;
> > + enable-sdio-wakeup;
> > + vmmc-supply = <®_3v3>;
> > + voltage-ranges = <3300 3300>;
> > + no-1-8-v;
> > + status = "okay";
> > +};
> > +
> > +&wdog1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_wdog>;
> > + status = "okay";
>
> We usually put 'status' at the end of property list.
OK
>
> > + fsl,ext-reset-output;
> > +};
> > +
> > +&iomuxc {
> > + pinctrl-0 = <&pinctrl_reset_out &pinctrl_gpio>;
> > +
> > + pinctrl_wdog: wdoggrp {
> > + fsl,pins = <
> > + MX6UL_PAD_GPIO1_IO09__WDOG1_WDOG_ANY 0x30b0
> > + >;
> > + };
> > +
> > + pinctrl_gpio: gpio {
>
> Please consistently name the node like:
>
> pinctrl_xxx: xxxgrp
>
> And keep them well sorted alphabetically.
Sure
>
> > + fsl,pins = <
> > + MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05 0x1b0b0 /* DOUT1 */
> > + MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04 0x1b0b0 /* DIN1 */
> > + MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01 0x1b0b0 /* DOUT2 */
> > + MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00 0x1b0b0 /* DIN2 */
> > + >;
> > + };
> > +
> > + pinctrl_usbotg1: usbotg1 {
> > + fsl,pins = <
> > + MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0x1b0b0
> > + >;
> > + };
> > +
> > + pinctrl_gpio_leds: gpio_leds {
> > + fsl,pins = <
> > + MX6UL_PAD_UART5_TX_DATA__GPIO1_IO30 0x1b0b0 /* LED H14 */
> > + MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03 0x1b0b0 /* LED H15 */
> > + MX6UL_PAD_SNVS_TAMPER2__GPIO5_IO02 0x1b0b0 /* LED H16 */
> > + >;
> > + };
> > +
> > + /* FRAM */
> > + pinctrl_ecspi1: ecspi1grp-1 {
>
> Meaningless '-1' suffix.
Thanks for the review!
Krzysztof
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