Message-ID: <20200618141217.GA32496@dragon>
Date:   Thu, 18 Jun 2020 22:12:20 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Rob Herring <robh@...nel.org>,
        David Jander <david@...tonic.nl>, devicetree@...r.kernel.org,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH v8 1/5] ARM: dts: add Protonic PRTI6Q board

On Wed, May 20, 2020 at 05:41:12PM +0200, Oleksij Rempel wrote:
> Protonic PRTI6Q is a development board and a base class for different
> specific customer application boards based on the i.MX6 family of SoCs,
> developed by Protonic Holland.
> 
> Reviewed-by: Rob Herring <robh@...nel.org>
> Signed-off-by: David Jander <david@...tonic.nl>
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> ---
>  arch/arm/boot/dts/Makefile            |   1 +
>  arch/arm/boot/dts/imx6q-prti6q.dts    | 541 ++++++++++++++++++++++++++
>  arch/arm/boot/dts/imx6qdl-prti6q.dtsi | 165 ++++++++
>  3 files changed, 707 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx6q-prti6q.dts
>  create mode 100644 arch/arm/boot/dts/imx6qdl-prti6q.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e8dd992013973..206a36a50575e 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -538,6 +538,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-pico-nymph.dtb \
>  	imx6q-pico-pi.dtb \
>  	imx6q-pistachio.dtb \
> +	imx6q-prti6q.dtb \
>  	imx6q-rex-pro.dtb \
>  	imx6q-sabreauto.dtb \
>  	imx6q-sabrelite.dtb \
> diff --git a/arch/arm/boot/dts/imx6q-prti6q.dts b/arch/arm/boot/dts/imx6q-prti6q.dts
> new file mode 100644
> index 0000000000000..d8ea9a3f415a8
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-prti6q.dts
> @@ -0,0 +1,541 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright (c) 2014 Protonic Holland
> + */
> +
> +/dts-v1/;
> +#include "imx6q.dtsi"
> +#include "imx6qdl-prti6q.dtsi"
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/sound/fsl-imx-audmux.h>
> +
> +/ {
> +	model = "Protonic PRTI6Q board";
> +	compatible = "prt,prti6q", "fsl,imx6q";

Undocumented compatible?

> +
> +	memory@...00000 {
> +		device_type = "memory";
> +		reg = <0x10000000 0xf0000000>;
> +	};
> +
> +	backlight_lcd: backlight-lcd {
> +		compatible = "pwm-backlight";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_backlight>;
> +		pwms = <&pwm1 0 5000000>;
> +		brightness-levels = <0 16 64 255>;
> +		num-interpolated-steps = <16>;
> +		default-brightness-level = <16>;

It should be an index into brightness-levels.

> +		power-supply = <&reg_3v3>;
> +		enable-gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	can_osc: can-osc {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <25000000>;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_leds>;
> +
> +		led-debug0 {
> +			function = LED_FUNCTION_STATUS;
> +			gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +		};
> +
> +		led-debug1 {
> +			function = LED_FUNCTION_SD;
> +			gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "disk-activity";
> +		};
> +	};
> +
> +	panel {
> +		compatible = "kyo,tcg121xglp";
> +		backlight = <&backlight_lcd>;
> +
> +		port {
> +			panel_in: endpoint {
> +				remote-endpoint = <&lvds0_out>;
> +			};
> +		};
> +	};
> +
> +	reg_1v8: regulator-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "1v8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		regulator-always-on;

What's the point of having always-on property for a regulator without
on/off control?

> +	};
> +
> +	reg_wifi: regulator-wifi {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_wifi_npd>;
> +		enable-active-high;
> +		gpio = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +		regulator-max-microvolt = <1800000>;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-name = "regulator-WL12xx";
> +		startup-delay-us = <70000>;
> +	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "prti6q-sgtl5000";
> +		simple-audio-card,format = "i2s";
> +		simple-audio-card,widgets =
> +			"Microphone", "Microphone Jack",
> +			"Line", "Line In Jack",
> +			"Headphone", "Headphone Jack",
> +			"Speaker", "External Speaker";
> +		simple-audio-card,routing =
> +			"MIC_IN", "Microphone Jack",
> +			"LINE_IN", "Line In Jack",
> +			"Headphone Jack", "HP_OUT",
> +			"External Speaker", "LINE_OUT";
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&ssi1>;
> +			system-clock-frequency = <0>;
> +		};
> +
> +		simple-audio-card,codec {
> +			sound-dai = <&sgtl5000>;
> +			bitclock-master;
> +			frame-master;
> +		};
> +	};
> +
> +	sound-spdif {
> +		compatible = "fsl,imx-audio-spdif";
> +		model = "imx-spdif";
> +		spdif-controller = <&spdif>;
> +		spdif-in;
> +		spdif-out;
> +	};
> +};
> +
> +&audmux {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_audmux>;
> +	status = "okay";
> +
> +	mux_ssi1 {

We recommend to use hyphen than underscore in node name.

> +		fsl,audmux-port = <0>;
> +		fsl,port-config = <
> +			IMX_AUDMUX_V2_PTCR_SYN		0
> +			IMX_AUDMUX_V2_PTCR_TFSEL(2)	0
> +			IMX_AUDMUX_V2_PTCR_TCSEL(2)	0
> +			IMX_AUDMUX_V2_PTCR_TFSDIR	0
> +			IMX_AUDMUX_V2_PTCR_TCLKDIR IMX_AUDMUX_V2_PDCR_RXDSEL(2)
> +		>;
> +	};
> +
> +	mux_pins3 {
> +		fsl,audmux-port = <2>;
> +		fsl,port-config = <
> +			IMX_AUDMUX_V2_PTCR_SYN IMX_AUDMUX_V2_PDCR_RXDSEL(0)
> +			0		       IMX_AUDMUX_V2_PDCR_TXRXEN
> +		>;
> +	};
> +};
> +
> +&can2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_can2>;
> +	status = "okay";
> +};
> +
> +&ecspi1 {
> +	cs-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi1>;
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-max-frequency = <20000000>;
> +	};
> +};
> +
> +&ecspi2 {
> +	cs-gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>, <&gpio4 25 GPIO_ACTIVE_HIGH>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi2 &pinctrl_ecspi2_cs>;
> +	status = "okay";
> +
> +	can@0 {
> +		compatible = "microchip,mcp2515";
> +		reg = <0>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_can3>;
> +		clocks = <&can_osc>;
> +		interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>;
> +		spi-max-frequency = <5000000>;
> +	};
> +
> +	adc@1 {
> +		compatible = "ti,adc128s052";
> +		reg = <1>;
> +		spi-max-frequency = <2000000>;
> +		vref-supply = <&reg_3v3>;
> +	};
> +};
> +
> +&ecspi3 {
> +	cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi3>;
> +	status = "okay";
> +};
> +
> +&can1 {

It's out of alphabetic order.

> +	pinctrl-0 = <&pinctrl_can1>;
> +};
> +
> +&fec {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_enet>;
> +	phy-mode = "rgmii-id";
> +	phy-handle = <&rgmii_phy>;
> +	status = "okay";
> +
> +	mdio {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		/* Microchip KSZ9031RNX PHY */
> +		rgmii_phy: ethernet-phy@0 {
> +			reg = <0>;
> +			interrupts-extended = <&gpio1 28 IRQ_TYPE_LEVEL_LOW>;
> +			reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
> +			reset-assert-us = <10000>;
> +			reset-deassert-us = <300>;
> +		};
> +	};
> +};
> +
> +&hdmi {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_hdmi>;
> +	ddc-i2c-bus = <&i2c2>;
> +	status = "okay";
> +};
> +
> +&i2c1 {
> +	sgtl5000: audio-codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0xa>;
> +		#sound-dai-cells = <0>;
> +		clocks = <&clks 201>;
> +		VDDA-supply = <&reg_3v3>;
> +		VDDIO-supply = <&reg_3v3>;
> +		VDDD-supply = <&reg_1v8>;
> +	};
> +};
> +
> +/* DDC */
> +&i2c2 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "okay";
> +};
> +
> +&i2c3 {
> +	adc@49 {
> +		compatible = "ti,ads1015";
> +		reg = <0x49>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		/* can2_l */
> +		channel@4 {
> +			reg = <4>;
> +			ti,gain = <3>;
> +			ti,datarate = <3>;
> +		};
> +
> +		/* can2_h */
> +		channel@5 {
> +			reg = <5>;
> +			ti,gain = <3>;
> +			ti,datarate = <3>;
> +		};
> +
> +		/* can1_l */
> +		channel@6 {
> +			reg = <6>;
> +			ti,gain = <3>;
> +			ti,datarate = <3>;
> +		};
> +
> +		/* can1_h */
> +		channel@7 {
> +			reg = <7>;
> +			ti,gain = <3>;
> +			ti,datarate = <3>;
> +		};
> +	};
> +};
> +
> +&pcie {
> +	status = "okay";
> +};
> +
> +&pwm1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm1>;
> +	status = "okay";
> +};
> +
> +&ldb {
> +	status = "okay";
> +
> +	lvds-channel@0 {
> +		status = "okay";
> +
> +		port@4 {
> +			reg = <4>;
> +
> +			lvds0_out: endpoint {
> +				remote-endpoint = <&panel_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&sata {
> +	status = "okay";
> +};
> +
> +&snvs_poweroff {
> +	status = "okay";
> +};
> +
> +&spdif {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_spdif>;
> +	status = "okay";
> +};
> +
> +&ssi1 {
> +	#sound-dai-cells = <0>;
> +	fsl,mode = "ac97-slave";
> +	status = "okay";
> +};
> +
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart2>;
> +	status = "okay";
> +};
> +
> +&uart5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart5>;
> +	status = "okay";
> +};
> +
> +&usbotg {
> +	pinctrl-0 = <&pinctrl_usbotg &pinctrl_usbotg_id>;
> +};
> +
> +&usdhc2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc2>;
> +	non-removable;
> +	vmmc-supply = <&reg_wifi>;
> +	cap-power-off-card;
> +	keep-power-in-suspend;
> +	status = "okay";
> +
> +	wifi {
> +		compatible = "ti,wl1271";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_wifi>;
> +		interrupts-extended = <&gpio1 30 IRQ_TYPE_LEVEL_HIGH>;
> +		ref-clock-frequency = "38400000";
> +		tcxo-clock-frequency = "19200000";
> +	};
> +};
> +
> +&iomuxc {
> +	pinctrl_audmux: audmuxgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_CSI0_MCLK__CCM_CLKO1		0x030b0
> +			MX6QDL_PAD_CSI0_DAT7__AUD3_RXD		0x130b0
> +			MX6QDL_PAD_CSI0_DAT4__AUD3_TXC		0x130b0
> +			MX6QDL_PAD_CSI0_DAT5__AUD3_TXD		0x110b0
> +			MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS		0x130b0
> +		>;
> +	};
> +
> +	pinctrl_backlight: backlightgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_DISP0_DAT7__GPIO4_IO28	0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_can2: can2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL4__FLEXCAN2_TX 0x80000000
> +			MX6QDL_PAD_KEY_ROW4__FLEXCAN2_RX 0x80000000

Code proper pin configuration value.

> +		>;
> +	};
> +
> +	pinctrl_can3: can3grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_D20__GPIO3_IO20		0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_ecspi1: ecspi1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_D17__ECSPI1_MISO		0x100b1
> +			MX6QDL_PAD_EIM_D18__ECSPI1_MOSI		0x100b1
> +			MX6QDL_PAD_EIM_D16__ECSPI1_SCLK		0x100b1
> +			/* CS */
> +			MX6QDL_PAD_EIM_D19__GPIO3_IO19		0x000b1
> +		>;
> +	};
> +
> +	pinctrl_ecspi2: ecspi2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_OE__ECSPI2_MISO		0x100b1
> +			MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK		0x100b1
> +			MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI		0x100b1
> +			MX6QDL_PAD_EIM_RW__GPIO2_IO26		0x000b1
> +		>;
> +	};
> +
> +	pinctrl_ecspi2_cs: ecspi2csgrp {
> +		fsl,pins = <
> +			/* ADC128S022 CS */
> +			MX6QDL_PAD_DISP0_DAT4__GPIO4_IO25	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_ecspi3: ecspi3grp {
> +		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	0x000b1
> +		>;
> +	};
> +
> +	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		0x10030
> +			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x10030
> +			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x10030
> +			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x10030
> +			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x10030
> +			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x10030
> +			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x10030
> +			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x10030
> +			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x10030
> +
> +			/* Phy reset */
> +			MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25	0x1b0b0
> +			MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_hdmi: hdmigrp {
> +		fsl,pins = <
> +			/* NOTE: DDC is done via I2C2, so DON'T
> +			 * configure DDC pins for HDMI!
> +			 */
> +			MX6QDL_PAD_EIM_A25__HDMI_TX_CEC_LINE	0x1f8b0
> +		>;
> +	};
> +
> +	/* DDC */
> +	pinctrl_i2c2: i2c2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL3__I2C2_SCL	0x4001b8b1
> +			MX6QDL_PAD_KEY_ROW3__I2C2_SDA	0x4001b8b1
> +		>;
> +	};
> +
> +	pinctrl_leds: ledsgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_8__GPIO1_IO08		0x1b0b0
> +			MX6QDL_PAD_GPIO_9__GPIO1_IO09		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_pwm1: pwm1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_DISP0_DAT8__PWM1_OUT		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_spdif: spdifgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_16__SPDIF_IN		0x1b0b0
> +			MX6QDL_PAD_GPIO_19__SPDIF_OUT		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_uart2: uart2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_D26__UART2_RX_DATA	0x1b0b1
> +			MX6QDL_PAD_EIM_D27__UART2_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_EIM_D28__UART2_DTE_CTS_B	0x1b0b1
> +			MX6QDL_PAD_EIM_D29__UART2_DTE_RTS_B	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart5: uart5grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL1__UART5_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_usbotg_id: usbotgidgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID	0x1f058
> +		>;
> +	};
> +
> +	pinctrl_usdhc2: usdhc2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x170b9
> +			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x100b9
> +			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x170b9
> +			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x170b9
> +			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x170b9
> +			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x170b9
> +		>;
> +	};
> +
> +	pinctrl_wifi: wifigrp {
> +		fsl,pins = <
> +			/* WL12xx IRQ */
> +			MX6QDL_PAD_ENET_TXD0__GPIO1_IO30	0x10880
> +		>;
> +	};
> +
> +	pinctrl_wifi_npd: wifinpd {
> +		fsl,pins = <
> +			MX6QDL_PAD_ENET_RXD1__GPIO1_IO26	0x1b8b0
> +		>;
> +	};
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-prti6q.dtsi b/arch/arm/boot/dts/imx6qdl-prti6q.dtsi
> new file mode 100644
> index 0000000000000..b9ac70b9a4513
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qdl-prti6q.dtsi
> @@ -0,0 +1,165 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright (c) 2014 Protonic Holland
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> +	chosen {
> +		stdout-path = &uart4;
> +	};
> +
> +	reg_3v3: regulator-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb_h1_vbus: regulator-h1-vbus {
> +		compatible = "regulator-fixed";
> +		regulator-name = "h1-vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb_otg_vbus: regulator-otg-vbus {
> +		compatible = "regulator-fixed";
> +		regulator-name = "otg-vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +};
> +
> +&can1 {
> +	pinctrl-names = "default";
> +	status = "okay";

It doesn't make a lot of sense and hurts the readability.  Merge it
into can1 in imx6q-prti6q.dts.

Shawn

> +};
> +
> +&i2c1 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +};
> +
> +&i2c3 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>;
> +	status = "okay";
> +
> +	temperature-sensor@70 {
> +		compatible = "ti,tmp103";
> +		reg = <0x70>;
> +	};
> +};
> +
> +&uart4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart4>;
> +	status = "okay";
> +};
> +
> +&usbh1 {
> +	vbus-supply = <&reg_usb_h1_vbus>;
> +	phy_type = "utmi";
> +	dr_mode = "host";
> +	status = "okay";
> +};
> +
> +&usbotg {
> +	vbus-supply = <&reg_usb_otg_vbus>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usbotg>;
> +	phy_type = "utmi";
> +	dr_mode = "host";
> +	disable-over-current;
> +	status = "okay";
> +};
> +
> +&usdhc1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc1>;
> +	cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
> +	status = "okay";
> +};
> +
> +&usdhc3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc3>;
> +	bus-width = <8>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&iomuxc {
> +	pinctrl_can1: can1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX	0x80000000
> +			MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX	0x80000000
> +		>;
> +	};
> +
> +	pinctrl_i2c1: i2c1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA		0x4001f8b1
> +			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL		0x4001f8b1
> +		>;
> +	};
> +
> +	pinctrl_i2c3: i2c3grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_5__I2C3_SCL		0x4001b8b1
> +			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
> +		>;
> +	};
> +
> +	pinctrl_uart4: uart4grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL0__UART4_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_usdhc1: usdhc1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD1_CMD__SD1_CMD		0x170f9
> +			MX6QDL_PAD_SD1_CLK__SD1_CLK		0x100f9
> +			MX6QDL_PAD_SD1_DAT0__SD1_DATA0		0x170f9
> +			MX6QDL_PAD_SD1_DAT1__SD1_DATA1		0x170f9
> +			MX6QDL_PAD_SD1_DAT2__SD1_DATA2		0x170f9
> +			MX6QDL_PAD_SD1_DAT3__SD1_DATA3		0x170f9
> +			MX6QDL_PAD_GPIO_1__GPIO1_IO01		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_usdhc3: usdhc3grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD3_CMD__SD3_CMD		0x17099
> +			MX6QDL_PAD_SD3_CLK__SD3_CLK		0x10099
> +			MX6QDL_PAD_SD3_DAT0__SD3_DATA0		0x17099
> +			MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x17099
> +			MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x17099
> +			MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x17099
> +			MX6QDL_PAD_SD3_DAT4__SD3_DATA4		0x17099
> +			MX6QDL_PAD_SD3_DAT5__SD3_DATA5		0x17099
> +			MX6QDL_PAD_SD3_DAT6__SD3_DATA6		0x17099
> +			MX6QDL_PAD_SD3_DAT7__SD3_DATA7		0x17099
> +			MX6QDL_PAD_SD3_RST__SD3_RESET		0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_usbotg: usbotggrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_D21__USB_OTG_OC	0x1b0b0
> +			MX6QDL_PAD_EIM_D22__GPIO3_IO22	0x1b0b0
> +		>;
> +	};
> +};
> -- 
> 2.26.2
> 

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