Re: [PATCH] ARM: dts: imx: add Gateworks Ventana GW5600 support

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On Fri, Apr 14, 2017 at 12:18:01PM -0700, Tim Harvey wrote:
> The Gateworks Ventana GW5600 is a media-centric single-board computer based on
> the NXP IMX6 SoC with the following features:
>  * PoE (emulated 802.3af)
>  * IMX6 DualLite Soc (supports IMX6S,IMX6DL,IMX6Q)
>  * 1GiB DDR3 DRAM (supports up to 4GiB)
>  * 8GB eMMC
>  * 1x microSD connector
>  * Gateworks System Controller:
>   - hardware watchdog
>   - hardware monitor
>   - pushbutton controller
>   - EEPROM storage
>   - power control
>  * 1x bi-color USER LED
>  * 1x front-panel pushbutton
>  * 1x front-panel GbE
>  * 2x front panel USB 2.0
>  * 1x front panel USB OTG
>  * 1x SIM socket
>  * 1x miniPCIe socket with SATA (mSATA)
>  * 1x miniPCIe socket with USB 2.0 (Modem)
>  * 1x miniPCIe socket with PCIe, USB 2.0, and SIM
>  * RS232/RS485 serial
>   - 2x RS232 UARTs (off-board connector)
>   - 1x RS485 (loading option)
>  * 4x digital I/O signals (PWM/I2C/GPIO/5V/3.3V options)
>  * 1x analog input (0 to 5V)
>  * 1x CAN (loading option)
>  * off-board LVDS:
>   - I2C
>   - 12V
>   - LED driver (4x 330mA strings)
>   - matrix keypad controller (8row x 10col)
>   - I2S
>   - dual-channel LVDS
>   - PWM
>  * off-board video input:
>   - 16bit parallel / MIPI (IPU1_CSI0)
>  * GPS (loading option)
>  * Analog Video Input (CVBS) 3 inputs (1 active at a time)
>  * Analog Audio Input/Output (2ch Line level, optional MIC/HP drivers)
>  * HDMI out
>  * JTAG programmable
>  * Inertial Module
> 
> Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/Makefile            |   2 +
>  arch/arm/boot/dts/imx6dl-gw560x.dts   |  55 +++
>  arch/arm/boot/dts/imx6q-gw560x.dts    |  59 +++
>  arch/arm/boot/dts/imx6qdl-gw560x.dtsi | 761 ++++++++++++++++++++++++++++++++++
>  4 files changed, 877 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx6dl-gw560x.dts
>  create mode 100644 arch/arm/boot/dts/imx6q-gw560x.dts
>  create mode 100644 arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 0bff8e7..0c9cfbb 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -352,6 +352,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6dl-gw551x.dtb \
>  	imx6dl-gw552x.dtb \
>  	imx6dl-gw553x.dtb \
> +	imx6dl-gw560x.dtb \
>  	imx6dl-gw5903.dtb \
>  	imx6dl-gw5904.dtb \
>  	imx6dl-hummingboard.dtb \
> @@ -397,6 +398,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-gw551x.dtb \
>  	imx6q-gw552x.dtb \
>  	imx6q-gw553x.dtb \
> +	imx6q-gw560x.dtb \
>  	imx6q-gw5903.dtb \
>  	imx6q-gw5904.dtb \
>  	imx6q-h100.dtb \
> diff --git a/arch/arm/boot/dts/imx6dl-gw560x.dts b/arch/arm/boot/dts/imx6dl-gw560x.dts
> new file mode 100644
> index 0000000..21bdfaf
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6dl-gw560x.dts
> @@ -0,0 +1,55 @@
> +/*
> + * Copyright 2017 Gateworks Corporation
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is free software; you can redistribute it and/or
> + *     modify it under the terms of the GNU General Public License as
> + *     published by the Free Software Foundation; either version 2 of
> + *     the License, or (at your option) any later version.
> + *
> + *     This file is distributed in the hope that it will be useful,
> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *     GNU General Public License for more details.
> + *
> + *     You should have received a copy of the GNU General Public
> + *     License along with this file; if not, write to the Free
> + *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
> + *     MA 02110-1301 USA
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +#include "imx6dl.dtsi"
> +#include "imx6qdl-gw560x.dtsi"
> +
> +/ {
> +	model = "Gateworks Ventana i.MX6 DualLite/Solo GW560X";
> +	compatible = "gw,imx6dl-gw560x", "gw,ventana", "fsl,imx6dl";
> +};
> diff --git a/arch/arm/boot/dts/imx6q-gw560x.dts b/arch/arm/boot/dts/imx6q-gw560x.dts
> new file mode 100644
> index 0000000..735f2bb
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-gw560x.dts
> @@ -0,0 +1,59 @@
> +/*
> + * Copyright 2017 Gateworks Corporation
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is free software; you can redistribute it and/or
> + *     modify it under the terms of the GNU General Public License as
> + *     published by the Free Software Foundation; either version 2 of
> + *     the License, or (at your option) any later version.
> + *
> + *     This file is distributed in the hope that it will be useful,
> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *     GNU General Public License for more details.
> + *
> + *     You should have received a copy of the GNU General Public
> + *     License along with this file; if not, write to the Free
> + *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
> + *     MA 02110-1301 USA
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +#include "imx6q.dtsi"
> +#include "imx6qdl-gw560x.dtsi"
> +
> +/ {
> +	model = "Gateworks Ventana i.MX6 Dual/Quad GW560X";
> +	compatible = "gw,imx6q-gw560x", "gw,ventana", "fsl,imx6q";
> +};
> +
> +&sata {
> +	status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-gw560x.dtsi b/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> new file mode 100644
> index 0000000..dc52b87
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> @@ -0,0 +1,761 @@
> +/*
> + * Copyright 2017 Gateworks Corporation
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is free software; you can redistribute it and/or
> + *     modify it under the terms of the GNU General Public License as
> + *     published by the Free Software Foundation; either version 2 of
> + *     the License, or (at your option) any later version.
> + *
> + *     This file is distributed in the hope that it will be useful,
> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *     GNU General Public License for more details.
> + *
> + *     You should have received a copy of the GNU General Public
> + *     License along with this file; if not, write to the Free
> + *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
> + *     MA 02110-1301 USA
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> +	/* these are used by bootloader for disabling nodes */
> +	aliases {
> +		led0 = &led0;
> +		led1 = &led1;
> +		led2 = &led2;
> +		ssi0 = &ssi1;
> +		usb0 = &usbh1;
> +		usb1 = &usbotg;
> +	};
> +
> +	chosen {
> +		stdout-path = &uart2;
> +	};
> +
> +	backlight_display {

Can we consistently use hyphen instead of underscore in node name?

> +		compatible = "pwm-backlight";
> +		pwms = <&pwm4 0 5000000>;
> +		brightness-levels = <
> +			0  1  2  3  4  5  6  7  8  9
> +			10 11 12 13 14 15 16 17 18 19
> +			20 21 22 23 24 25 26 27 28 29
> +			30 31 32 33 34 35 36 37 38 39
> +			40 41 42 43 44 45 46 47 48 49
> +			50 51 52 53 54 55 56 57 58 59
> +			60 61 62 63 64 65 66 67 68 69
> +			70 71 72 73 74 75 76 77 78 79
> +			80 81 82 83 84 85 86 87 88 89
> +			90 91 92 93 94 95 96 97 98 99
> +			100
> +			>;
> +		default-brightness-level = <100>;
> +	};
> +
> +	backlight_keypad {

Ditto

> +		compatible = "gpio-backlight";
> +		gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;
> +		default-on;
> +	};
> +
> +	clocks {
> +		codec_osc: codec_osc {

I cannot find how this fixed clock is used/referenced.

> +			#clock-cells = <0>;
> +			compatible = "fixed-clock";
> +			clock-frequency = <12000000>;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gpio_leds>;
> +
> +		led0: user1 {
> +			label = "user1";
> +			gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDG */
> +			default-state = "on";
> +			linux,default-trigger = "heartbeat";
> +		};
> +
> +		led1: user2 {
> +			label = "user2";
> +			gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDR */
> +			default-state = "off";
> +		};
> +
> +		led2: user3 {
> +			label = "user3";
> +			gpios = <&gpio4 15 GPIO_ACTIVE_LOW>; /* MX6_LOCLED# */
> +			default-state = "off";
> +		};
> +	};
> +
> +	memory {

memory@10000000

> +		reg = <0x10000000 0x40000000>;
> +	};
> +
> +	pps {
> +		compatible = "pps-gpio";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pps>;
> +		gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	reg_2p5v: regulator-2p5v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "2P5V";
> +		regulator-min-microvolt = <2500000>;
> +		regulator-max-microvolt = <2500000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_3p3v: regulator-3p3v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3P3V";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_5p0v: regulator-5p0v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "5P0V";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_12p0v: regulator-12p0v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "12P0V";
> +		regulator-min-microvolt = <12000000>;
> +		regulator-max-microvolt = <12000000>;
> +		gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	reg_1p4v: regulator-vddsoc {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd_soc";
> +		regulator-min-microvolt = <1400000>;
> +		regulator-max-microvolt = <1400000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb_h1_vbus: regulator-usb-h1-vbus {
> +		compatible = "regulator-fixed";
> +		regulator-name = "usb_h1_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb_otg_vbus: regulator-usb-otg-vbus {
> +		compatible = "regulator-fixed";
> +		regulator-name = "usb_otg_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	sound {
> +		compatible = "fsl,imx6q-ventana-sgtl5000",
> +			     "fsl,imx-audio-sgtl5000";
> +		model = "sgtl5000-audio";
> +		ssi-controller = <&ssi1>;
> +		audio-codec = <&sgtl5000>;
> +		audio-routing =
> +			"MIC_IN", "Mic Jack",
> +			"Mic Jack", "Mic Bias",
> +			"Headphone Jack", "HP_OUT";
> +		mux-int-port = <1>;
> +		mux-ext-port = <4>;
> +	};
> +};
> +
> +&audmux {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_audmux>;
> +	status = "okay";
> +};
> +
> +&ecspi3 {
> +	cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi3>;
> +	status = "okay";
> +};
> +
> +&can1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexcan>;
> +	status = "okay";
> +};
> +
> +&clks {
> +	assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
> +			  <&clks IMX6QDL_CLK_LDB_DI1_SEL>;
> +	assigned-clock-parents = <&clks IMX6QDL_CLK_PLL3_USB_OTG>,
> +				 <&clks IMX6QDL_CLK_PLL3_USB_OTG>;
> +};
> +
> +&fec {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_enet>;
> +	phy-mode = "rgmii-id";
> +	phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
> +	status = "okay";
> +};
> +
> +&hdmi {
> +	ddc-i2c-bus = <&i2c3>;
> +	status = "okay";
> +};
> +
> +&i2c1 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +
> +	eeprom1: eeprom@50 {
> +		compatible = "atmel,24c02";
> +		reg = <0x50>;
> +		pagesize = <16>;
> +	};
> +
> +	eeprom2: eeprom@51 {
> +		compatible = "atmel,24c02";
> +		reg = <0x51>;
> +		pagesize = <16>;
> +	};
> +
> +	eeprom3: eeprom@52 {
> +		compatible = "atmel,24c02";
> +		reg = <0x52>;
> +		pagesize = <16>;
> +	};
> +
> +	eeprom4: eeprom@53 {
> +		compatible = "atmel,24c02";
> +		reg = <0x53>;
> +		pagesize = <16>;
> +	};
> +
> +	pca9555: gpio@23 {
> +		compatible = "nxp,pca9555";
> +		reg = <0x23>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +	};
> +
> +	ds1672: rtc@68 {
> +		compatible = "dallas,ds1672";
> +		reg = <0x68>;
> +	};
> +};
> +
> +&i2c2 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "okay";
> +
> +	sgtl5000: codec@0a {

Drop the leading zero in unit-address.

> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		VDDA-supply = <&reg_1p8v>;
> +		VDDIO-supply = <&reg_3p3v>;
> +	};
> +
> +	tca8418: keypad@34 {
> +		compatible = "ti,tca8418";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_keypad>;
> +		reg = <0x34>;
> +		interrupt-parent = <&gpio5>;
> +		interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
> +		linux,keymap = <0x00010100	/* BTN_0 HOME */
> +			        0x00000101	/* BTN_1 MENU */
> +			        0x01010102	/* BTN_2 ESCAPE */
> +			        0x01000103	/* BTN_3 BACK */
> +			        0x02000104	/* BTN_4 SEARCH */
> +			        0x00030105	/* BTN_5 UP */
> +			        0x00020106	/* BTN_6 RIGHT */
> +			        0x01030107	/* BTN_7 LEFT */
> +			        0x01020108	/* BTN_8 DOWN */
> +			        0x02020109>;	/* BTN_9 ENTER */

Please use MATRIX_KEY() and defines in linux-event-codes.h, so that we
can save the comments.

> +		keypad,num-rows = <4>;
> +		keypad,num-columns = <4>;
> +	};
> +
> +	ltc3676: pmic@3c {
> +		compatible = "lltc,ltc3676";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pmic>;
> +		reg = <0x3c>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
> +
> +		regulators {
> +			/* VDD_DDR (1+R1/R2 = 2.105) */
> +			reg_vdd_ddr: sw2 {
> +				regulator-name = "vddddr";
> +				regulator-min-microvolt = <868310>;
> +				regulator-max-microvolt = <1684000>;
> +				lltc,fb-voltage-divider = <221000 200000>;
> +				regulator-ramp-delay = <7000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			/* VDD_ARM (1+R1/R2 = 1.931) */
> +			reg_vdd_arm: sw3 {
> +				regulator-name = "vddarm";
> +				regulator-min-microvolt = <796551>;
> +				regulator-max-microvolt = <1544827>;
> +				lltc,fb-voltage-divider = <243000 261000>;
> +				regulator-ramp-delay = <7000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				linux,phandle = <&reg_vdd_arm>;
> +			};
> +
> +			/* VDD_1P8 (1+R1/R2 = 2.505): GPS/VideoIn/ENET-PHY */
> +			reg_1p8v: sw4 {
> +				regulator-name = "vdd1p8";
> +				regulator-min-microvolt = <1033310>;
> +				regulator-max-microvolt = <2004000>;
> +				lltc,fb-voltage-divider = <301000 200000>;
> +				regulator-ramp-delay = <7000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			/* VDD_1P0 (1+R1/R2 = 1.39): PCIe/ENET-PHY */
> +			reg_1p0v: ldo2 {
> +				regulator-name = "vdd1p0";
> +				regulator-min-microvolt = <950000>;
> +				regulator-max-microvolt = <1050000>;
> +				lltc,fb-voltage-divider = <78700 200000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			/* VDD_AUD_1P8: Audio codec */
> +			reg_aud_1p8v: ldo3 {
> +				regulator-name = "vdd1p8a";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +			};
> +
> +			/* VDD_HIGH (1+R1/R2 = 4.17) */
> +			reg_3p0v: ldo4 {
> +				regulator-name = "vdd3p0";
> +				regulator-min-microvolt = <3023250>;
> +				regulator-max-microvolt = <3023250>;
> +				lltc,fb-voltage-divider = <634000 200000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +		};
> +	};
> +};
> +
> +&i2c3 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>;
> +	status = "okay";
> +
> +	egalax_ts: touchscreen@04 {

Drop the leading zero in unit-address.

> +		compatible = "eeti,egalax_ts";
> +		reg = <0x04>;
> +		interrupt-parent = <&gpio5>;
> +		interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
> +		wakeup-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> +	};
> +};
> +
> +&ldb {
> +	fsl,dual-channel;
> +	status = "okay";
> +
> +	lvds-channel@0 {
> +		fsl,data-mapping = "spwg";
> +		fsl,data-width = <18>;
> +		status = "okay";
> +
> +		display-timings {
> +			native-mode = <&timing0>;
> +			timing0: hsd100pxn1 {
> +				clock-frequency = <65000000>;
> +				hactive = <1024>;
> +				vactive = <768>;
> +				hback-porch = <220>;
> +				hfront-porch = <40>;
> +				vback-porch = <21>;
> +				vfront-porch = <7>;
> +				hsync-len = <60>;
> +				vsync-len = <10>;
> +			};
> +		};
> +	};
> +};
> +
> +&pcie {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pcie>;
> +	reset-gpio = <&gpio4 31 GPIO_ACTIVE_LOW>;
> +	status = "okay";
> +};
> +
> +&pwm2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm2>; /* MX6_DIO1 */
> +	status = "disabled";
> +};
> +
> +&pwm3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm3>; /* MX6_DIO2 */
> +	status = "disabled";
> +};
> +
> +&pwm4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm4>;
> +	status = "okay";
> +};
> +
> +&ssi1 {
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart1>;
> +	uart-has-rtscts;
> +	rts-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
> +	status = "okay";
> +};
> +
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart2>;
> +	status = "okay";
> +};
> +
> +&uart5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart5>;
> +	status = "okay";
> +};
> +
> +&usbotg {
> +	vbus-supply = <&reg_usb_otg_vbus>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usbotg>;
> +	disable-over-current;
> +	status = "okay";
> +};
> +
> +&usbh1 {
> +	vbus-supply = <&reg_usb_h1_vbus>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usbh1>;
> +	status = "okay";
> +};
> +
> +&usdhc2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc2>;
> +	bus-width = <8>;
> +	vmmc-supply = <&reg_3p3v>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&usdhc3 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc3>;
> +	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> +	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> +	cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
> +	vmmc-supply = <&reg_3p3v>;
> +	status = "okay";
> +};
> +
> +&wdog1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_wdog>;
> +	fsl,ext-reset-output;
> +};
> +
> +&iomuxc {
> +	imx6qdl-gw560x {

Drop this container node.

> +		pinctrl_audmux: audmuxgrp {
> +			fsl,pins = <
> +				/* AUD4 */
> +				MX6QDL_PAD_DISP0_DAT20__AUD4_TXC	0x130b0
> +				MX6QDL_PAD_DISP0_DAT21__AUD4_TXD	0x110b0
> +				MX6QDL_PAD_DISP0_DAT22__AUD4_TXFS	0x130b0
> +				MX6QDL_PAD_DISP0_DAT23__AUD4_RXD	0x130b0
> +				MX6QDL_PAD_GPIO_0__CCM_CLKO1		0x130b0 /* AUD4_MCK */
> +				/* AUD6 */
> +				MX6QDL_PAD_DI0_PIN2__AUD6_TXD		0x130b0
> +				MX6QDL_PAD_DI0_PIN3__AUD6_TXFS		0x130b0
> +				MX6QDL_PAD_DI0_PIN4__AUD6_RXD		0x130b0
> +				MX6QDL_PAD_DI0_PIN15__AUD6_TXC		0x130b0
> +			>;
> +		};
> +
> +		pinctrl_ecspi3: escpi3grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK	0x100b1
> +				MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI	0x100b1
> +				MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO	0x100b1
> +				MX6QDL_PAD_DISP0_DAT3__GPIO4_IO24	0x100b1
> +			>;
> +		};
> +
> +		pinctrl_enet: enetgrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b030
> +				MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x1b030
> +				MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x1b030
> +				MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b030
> +				MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b030
> +				MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x1b030
> +				MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b030
> +				MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b030
> +				MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b030
> +				MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b030
> +				MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b030
> +				MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b030
> +				MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x1b0b0
> +				MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b0b0
> +				MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
> +				MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0x4001b0a8
> +				MX6QDL_PAD_ENET_TXD0__GPIO1_IO30	0x4001b0b0 /* PHY_RST# */
> +			>;
> +		};
> +
> +		pinctrl_flexcan: flexcangrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX	0x1b0b1
> +				MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX	0x1b0b1
> +				MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x4001b0b0 /* CAN_STBY */
> +			>;
> +		};
> +
> +		pinctrl_gpio_leds: gpioledsgrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_KEY_COL0__GPIO4_IO06		0x1b0b0
> +				MX6QDL_PAD_KEY_ROW0__GPIO4_IO07		0x1b0b0
> +				MX6QDL_PAD_KEY_ROW4__GPIO4_IO15		0x1b0b0
> +			>;
> +		};
> +
> +		pinctrl_i2c1: i2c1grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
> +				MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
> +			>;
> +		};
> +
> +		pinctrl_usbh1: usbh1grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_GPIO_9__GPIO1_IO09		0x4001b0b0 /* USBHUB_RST# */
> +			>;
> +		};

Please sort the pinctrl nodes alphabetically.

> +
> +		pinctrl_i2c2: i2c2grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
> +				MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
> +			>;
> +		};
> +
> +		pinctrl_pmic: pmicgrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_GPIO_8__GPIO1_IO08		0x0001b0b0 /* PMIC_IRQ# */
> +			>;
> +		};
> +
> +		pinctrl_i2c3: i2c3grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
> +				MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
> +

Drop this newline.

> +				/* Misc */
> +				MX6QDL_PAD_GPIO_19__GPIO4_IO05		0x4001b0b0 /* DIOI2C_DIS# */
> +

Ditto

Shawn

> +				/* Backlight / Touch Connector */
> +				MX6QDL_PAD_DISP0_DAT18__GPIO5_IO12	0x0001b0b0 /* LVDS_TOUCH_IRQ# */
> +				MX6QDL_PAD_DISP0_DAT19__GPIO5_IO13	0x0001b0b0 /* LVDS_BACKEN */
> +			>;
> +		};
> +
> +		pinctrl_keypad: keypadgrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_DISP0_DAT17__GPIO5_IO11	0x0001b0b0 /* KEYPAD_IRQ# */
> +				MX6QDL_PAD_DISP0_DAT9__GPIO4_IO30	0x0001b0b0 /* KEYPAD_LED_EN */
> +			>;
> +		};
> +
> +		pinctrl_pcie: pciegrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_DISP0_DAT10__GPIO4_IO31	0x1b0b0    /* PCI_RST# */
> +				MX6QDL_PAD_GPIO_17__GPIO7_IO12		0x4001b0b0 /* PCIESKT_WDIS# */
> +			>;
> +		};
> +
> +		pinctrl_pps: ppsgrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_ENET_RXD1__GPIO1_IO26	0x1b0b1
> +			>;
> +		};
> +
> +		pinctrl_pwm2: pwm2grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD1_DAT2__PWM2_OUT		0x1b0b1
> +			>;
> +		};
> +
> +		pinctrl_pwm3: pwm3grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD1_DAT1__PWM3_OUT		0x1b0b1
> +			>;
> +		};
> +
> +		pinctrl_pwm4: pwm4grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD1_CMD__PWM4_OUT		0x1b0b1
> +			>;
> +		};
> +
> +		pinctrl_uart1: uart1grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA	0x1b0b1
> +				MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA	0x1b0b1
> +				MX6QDL_PAD_SD3_DAT4__GPIO7_IO01		0x4001b0b1 /* TEN */
> +			>;
> +		};
> +
> +		pinctrl_uart2: uart2grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA	0x1b0b1
> +				MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA	0x1b0b1
> +			>;
> +		};
> +
> +		pinctrl_uart5: uart5grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_KEY_COL1__UART5_TX_DATA	0x1b0b1
> +				MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA	0x1b0b1
> +			>;
> +		};
> +
> +		pinctrl_usbotg: usbotggrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_GPIO_1__USB_OTG_ID		0x17059
> +				MX6QDL_PAD_EIM_D22__GPIO3_IO22		0x1b0b0 /* PWR_EN */
> +				MX6QDL_PAD_KEY_COL4__GPIO4_IO14		0x1b0b0 /* OC */
> +			>;
> +		};
> +
> +		pinctrl_usdhc2: usdhc2grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD2_CMD__SD2_CMD		0x170f9
> +				MX6QDL_PAD_SD2_CLK__SD2_CLK		0x100f9
> +				MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x170f9
> +				MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x170f9
> +				MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x170f9
> +				MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x170f9
> +				MX6QDL_PAD_NANDF_D4__SD2_DATA4		0x170f9
> +				MX6QDL_PAD_NANDF_D5__SD2_DATA5		0x170f9
> +				MX6QDL_PAD_NANDF_D6__SD2_DATA6		0x170f9
> +				MX6QDL_PAD_NANDF_D7__SD2_DATA7		0x170f9
> +			>;
> +		};
> +
> +		pinctrl_usdhc3: usdhc3grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD3_CMD__SD3_CMD		0x17059
> +				MX6QDL_PAD_SD3_CLK__SD3_CLK		0x10059
> +				MX6QDL_PAD_SD3_DAT0__SD3_DATA0		0x17059
> +				MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x17059
> +				MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x17059
> +				MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x17059
> +				MX6QDL_PAD_SD3_DAT5__GPIO7_IO00		0x17059 /* CD */
> +				MX6QDL_PAD_NANDF_CS1__SD3_VSELECT	0x17059
> +			>;
> +		};
> +
> +		pinctrl_usdhc3_100mhz: usdhc3grp100mhz {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD3_CMD__SD3_CMD		0x170b9
> +				MX6QDL_PAD_SD3_CLK__SD3_CLK		0x100b9
> +				MX6QDL_PAD_SD3_DAT0__SD3_DATA0		0x170b9
> +				MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x170b9
> +				MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x170b9
> +				MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x170b9
> +				MX6QDL_PAD_SD3_DAT5__GPIO7_IO00		0x170b9 /* CD */
> +				MX6QDL_PAD_NANDF_CS1__SD3_VSELECT	0x170b9
> +			>;
> +		};
> +
> +		pinctrl_usdhc3_200mhz: usdhc3grp200mhz {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD3_CMD__SD3_CMD		0x170f9
> +				MX6QDL_PAD_SD3_CLK__SD3_CLK		0x100f9
> +				MX6QDL_PAD_SD3_DAT0__SD3_DATA0		0x170f9
> +				MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x170f9
> +				MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x170f9
> +				MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x170f9
> +				MX6QDL_PAD_SD3_DAT5__GPIO7_IO00		0x170f9 /* CD */
> +				MX6QDL_PAD_NANDF_CS1__SD3_VSELECT	0x170f9
> +			>;
> +		};
> +
> +		pinctrl_wdog: wdoggrp {
> +			fsl,pins = <
> +				MX6QDL_PAD_DISP0_DAT8__WDOG1_B		0x1b0b0
> +			>;
> +		};
> +	};
> +};
> -- 
> 2.7.4
> 
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