Subject: Re: [PATCH v3 1/2] arm64: dts: Add a device tree for the Librem 5 phone

From: Shawn Guo <[email-masked]>
Date: Sat, 11 Jul 2020 21:37:18 +0800

On Wed, Jun 17, 2020 at 09:38:20AM +0200, Martin Kepplinger wrote:
> From: "Angus Ainslie (Purism)" <[email-masked]>
> 
> Add a devicetree description for the Librem 5 phone. The early batches
> that have been sold are supported as well as the mass-produced device
> available later this year, see https://puri.sm/products/librem-5/
> 
> This boots to a working console with working WWAN modem, wifi usdhc,
> IMU sensor device, proximity sensor, haptic motor, gpio keys, GNSS and LEDs.
> 
> Signed-off-by: Martin Kepplinger <[email-masked]>
> Signed-off-by: Angus Ainslie (Purism) <[email-masked]>
> Signed-off-by: Guido Günther <[email-masked]>
> For audio related part:
> Reviewed-by: Daniel Baluta <[email-masked]>
> ---
> 
> revision history
> ----------------
> v3:
> thanks a lot Mark for reviewing! changes since v2:
>  * nicer audio cards names
>  * squash unneeded audio_pwr regulator
>  * remove the unneeded susphy_quirk from dwc3_1 after more testing
>  * add usdhc2 card detect via gpio
>  * add headphone detect for audio card
> 
> v2:
> thanks a lot Marco, Daniel and Pavel for reviewing. changes since v1:
>  * alphabetical sortings / more consistent node names
>  * remove unused regulator and pinctrl descriptions
>  * generic labels for leds, backlight, flash and torch
>  * audio clk settings moved to sai2 node
> https://lore.kernel.org/linux-arm-kernel/[email-masked]/T/
> 
> v1:
> https://lore.kernel.org/linux-arm-kernel/[email-masked]/
> 
> 
> 
>  arch/arm64/boot/dts/freescale/Makefile        |    1 +
>  .../boot/dts/freescale/imx8mq-librem5.dts     | 1137 +++++++++++++++++
>  2 files changed, 1138 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-librem5.dts
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index cd38d04da5a7..342579121f98 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -34,6 +34,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-nitrogen.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-phanbell.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dts
> new file mode 100644
> index 000000000000..06ffa12e60f7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dts
> @@ -0,0 +1,1137 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2018-2020 Purism SPC
> + */
> +
> +/dts-v1/;
> +
> +#include "dt-bindings/input/input.h"
> +#include "dt-bindings/pwm/pwm.h"
> +#include "dt-bindings/usb/pd.h"
> +#include "imx8mq.dtsi"
> +
> +/ {
> +	model = "Purism Librem 5";
> +	compatible = "purism,librem5", "fsl,imx8mq";

Is the compatible documented?

> +
> +	backlight_dsi: backlight-dsi {
> +		compatible = "led-backlight";
> +		leds = <&led_backlight>;
> +		brightness-levels = <255>;
> +		default-brightness-level = <100>;

I'm not sure these two properties are coded correctly, you may want to
double check the bindings doc.

> +	};
> +
> +	pmic_osc: clock-pmic {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <32768>;
> +		clock-output-names = "pmic_osc";
> +	};
> +
> +	chosen {
> +		stdout-path = &uart1;
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_keys>;
> +
> +		vol-down {
> +			label = "VOL_DOWN";
> +			gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEDOWN>;
> +		};
> +
> +		vol-up {
> +			label = "VOL_UP";
> +			gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEUP>;
> +		};
> +	};
> +
> +	pwmleds {
> +		compatible = "pwm-leds";
> +
> +		blue {
> +			label = "blue:status";
> +			max-brightness = <248>;
> +			pwms = <&pwm2 0 50000>;
> +		};
> +
> +		green {
> +			label = "green:status";
> +			max-brightness = <248>;
> +			pwms = <&pwm4 0 50000>;
> +		};
> +
> +		red {
> +			label = "red:status";
> +			max-brightness = <248>;
> +			pwms = <&pwm3 0 50000>;
> +		};
> +	};
> +
> +	reg_aud_1v8: regulator-audio-1v8 {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_audiopwr>;
> +		regulator-name = "AUDIO_PWR_EN";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	reg_gnss: regulator-gnss {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gnsspwr>;
> +		regulator-name = "GNSS";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio3 12 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	reg_hub: regulator-hub {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_hub_pwr>;
> +		regulator-name = "HUB";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	reg_lcd_3v4: regulator-lcd-3v4 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "LCD_3V4";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_dsibiasen>;
> +		vin-supply = <&reg_vsys_3v4>;
> +		enable-active-high;

Nit: can we consistently put 'enable-active-high' after 'gpio' node?

> +		gpio = <&gpio1 20 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	reg_vdd_sen: regulator-vdd-sen {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDD_SEN";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +
> +	reg_vdd_3v3: regulator-vdd-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDD_3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +
> +	reg_vdd_1v8: regulator-vdd-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCC_1V8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +	};
> +
> +	reg_vsys_3v4: regulator-vsys-3v4 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VSYS_3V4";
> +		regulator-min-microvolt = <3400000>;
> +		regulator-max-microvolt = <3400000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_wifi_3v3: regulator-wifi-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3V3_WIFI";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +		pinctrl-0 = <&pinctrl_hp>;
> +		simple-audio-card,name = "Librem 5";
> +		simple-audio-card,format = "i2s";
> +		simple-audio-card,widgets =
> +			"Headphone", "Headphones",
> +			"Microphone", "Headset Mic",
> +			"Microphone", "Digital Mic",
> +			"Speaker", "Speaker";
> +		simple-audio-card,routing =
> +			"Headphones", "HPOUTL",
> +			"Headphones", "HPOUTR",
> +			"Speaker", "SPKOUTL",
> +			"Speaker", "SPKOUTR",
> +			"Headset Mic", "MICBIAS",
> +			"IN3R", "Headset Mic",
> +			"DMICDAT", "Digital Mic";
> +		simple-audio-card,hp-det-gpio = <&gpio3 9 GPIO_ACTIVE_HIGH>;
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&sai2>;
> +		};
> +
> +		simple-audio-card,codec {
> +			sound-dai = <&codec>;
> +			clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
> +			frame-master;
> +			bitclock-master;
> +		};
> +	};
> +
> +	sound-wwan {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "Modem";
> +		simple-audio-card,format = "i2s";
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&sai6>;
> +			frame-inversion;
> +		};
> +
> +		simple-audio-card,codec {
> +			sound-dai = <&bm818_codec>;
> +			frame-master;
> +			bitclock-master;
> +		};
> +	};
> +
> +	bm818_codec: sound-wwan-codec {
> +		compatible = "broadmobi,bm818", "option,gtm601";
> +		#sound-dai-cells = <0>;
> +	};
> +
> +	vibrator {
> +		compatible = "pwm-vibrator";
> +		pwms = <&pwm1 0 1000000000 0>;
> +		pwm-names = "enable";
> +		vcc-supply = <&reg_vdd_3v3>;
> +	};
> +};
> +
> +&A53_0 {
> +	cpu-supply = <&buck2_reg>;
> +};
> +
> +&A53_1 {
> +	cpu-supply = <&buck2_reg>;
> +};
> +
> +&A53_2 {
> +	cpu-supply = <&buck2_reg>;
> +};
> +
> +&A53_3 {
> +	cpu-supply = <&buck2_reg>;
> +};
> +
> +&ddrc {
> +	operating-points-v2 = <&ddrc_opp_table>;
> +
> +	ddrc_opp_table: ddrc-opp-table {
> +		compatible = "operating-points-v2";
> +
> +		opp-25M {
> +			opp-hz = /bits/ 64 <25000000>;
> +		};

Have a newline between nodes.

> +		opp-100M {
> +			opp-hz = /bits/ 64 <100000000>;
> +		};
> +		opp-800M {
> +			opp-hz = /bits/ 64 <800000000>;
> +		};
> +	};
> +};
> +
> +&dphy {
> +	status = "okay";
> +};
> +
> +&ecspi1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi1>;
> +	cs-gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	status = "okay";
> +
> +	nor_flash: flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-max-frequency = <1000000>;
> +	};
> +};
> +
> +&gpio1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pmic_5v>;
> +
> +	pmic-5v {
> +		gpio-hog;
> +		gpio = <&gpio1 1 GPIO_ACTIVE_HIGH>;
> +		input;
> +	};
> +};
> +
> +&iomuxc {
> +	pinctrl_audiopwr: audiopwrgrp {
> +		fsl,pins = <
> +			/* AUDIO_POWER_EN_3V3 */
> +			MX8MQ_IOMUXC_GPIO1_IO04_GPIO1_IO4	0x83
> +		>;
> +	};
> +
> +	pinctrl_bl: blgrp {
> +		fsl,pins = <
> +			/* BACKLINGE_EN */
> +			MX8MQ_IOMUXC_NAND_DQS_GPIO3_IO14	0x83
> +		>;
> +	};
> +
> +	pinctrl_charger_in: chargeringrp {
> +		fsl,pins = <
> +			/* CHRG_INT */
> +			MX8MQ_IOMUXC_NAND_CE2_B_GPIO3_IO3	0x80
> +			/* CHG_STATUS_B */
> +			MX8MQ_IOMUXC_NAND_ALE_GPIO3_IO0		0x80
> +		>;
> +	};
> +
> +	pinctrl_dsibiasen: dsibiasengrp {
> +		fsl,pins = <
> +			/* DSI_BIAS_EN */
> +			MX8MQ_IOMUXC_ENET_TD1_GPIO1_IO20	0x83
> +		>;
> +	};
> +
> +	pinctrl_dsien: dsiengrp {
> +		fsl,pins = <
> +			/* DSI_EN_3V3 */
> +			MX8MQ_IOMUXC_GPIO1_IO05_GPIO1_IO5	0x83
> +		>;
> +	};
> +
> +	pinctrl_ecspi1: spi1grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI	0x83
> +			MX8MQ_IOMUXC_ECSPI1_MISO_ECSPI1_MISO	0x83
> +			MX8MQ_IOMUXC_ECSPI1_SS0_GPIO5_IO9	0x19
> +			MX8MQ_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK	0x83
> +		>;
> +	};
> +
> +	pinctrl_gauge: gaugegrp {
> +		fsl,pins = <
> +			/* BAT_LOW */
> +			MX8MQ_IOMUXC_SAI5_RXC_GPIO3_IO20	0x80
> +		>;
> +	};
> +
> +	pinctrl_gnsspwr: gnsspwrgrp {
> +		fsl,pins = <
> +			/* GPS3V3_EN */
> +			MX8MQ_IOMUXC_NAND_DATA06_GPIO3_IO12	0x83
> +		>;
> +	};
> +
> +	pinctrl_haptic: hapticgrp {
> +		fsl,pins = <
> +			/* MOTO */
> +			MX8MQ_IOMUXC_SPDIF_EXT_CLK_PWM1_OUT	0x83
> +		>;
> +	};
> +
> +	pinctrl_hp: hpgrp {
> +		fsl,pins = <
> +			/* HEADPHONE_DET_1V8 */
> +			MX8MQ_IOMUXC_NAND_DATA03_GPIO3_IO9	0x180
> +		>;
> +	};
> +
> +	pinctrl_hub_pwr: hubpwrgrp {
> +		fsl,pins = <
> +			/* HUB_PWR_3V3_EN */
> +			MX8MQ_IOMUXC_GPIO1_IO14_GPIO1_IO14	0x83
> +		>;
> +	};
> +
> +	pinctrl_i2c1: i2c1grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL		0x40000026
> +			MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA		0x40000026
> +		>;
> +	};
> +
> +	pinctrl_i2c2: i2c2grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL		0x40000026
> +			MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA		0x40000026
> +		>;
> +	};
> +
> +	pinctrl_i2c3: i2c3grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL		0x40000026
> +			MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA		0x40000026
> +		>;
> +	};
> +
> +	pinctrl_i2c4: i2c4grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL		0x40000026
> +			MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA		0x40000026
> +		>;
> +	};
> +
> +	pinctrl_keys: keysgrp {
> +		fsl,pins = <
> +			/* VOL- */
> +			MX8MQ_IOMUXC_ENET_MDIO_GPIO1_IO17	0x01C0
> +			/* VOL+ */
> +			MX8MQ_IOMUXC_ENET_MDC_GPIO1_IO16	0x01C0
> +		>;
> +	};
> +
> +	pinctrl_led_b: ledbgrp {
> +		fsl,pins = <
> +			/* LED_B */
> +			MX8MQ_IOMUXC_GPIO1_IO13_PWM2_OUT	0x06
> +		>;
> +	};
> +
> +	pinctrl_led_g: ledggrp {
> +		fsl,pins = <
> +			/* LED_G */
> +			MX8MQ_IOMUXC_SAI3_MCLK_PWM4_OUT		0x06
> +		>;
> +	};
> +
> +	pinctrl_led_r: ledrgrp {
> +		fsl,pins = <
> +			/* LED_R */
> +			MX8MQ_IOMUXC_SPDIF_TX_PWM3_OUT		0x06
> +		>;
> +	};
> +
> +	pinctrl_mag: maggrp {
> +		fsl,pins = <
> +			/* INT_MAG */
> +			MX8MQ_IOMUXC_SAI5_RXD1_GPIO3_IO22	0x80
> +		>;
> +	};
> +
> +	pinctrl_pmic: pmicgrp {
> +		fsl,pins = <
> +			/* PMIC_NINT */
> +			MX8MQ_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x80
> +		>;
> +	};
> +
> +	pinctrl_pmic_5v: pmic5vgrp {
> +		fsl,pins = <
> +			/* PMIC_5V */
> +			MX8MQ_IOMUXC_GPIO1_IO01_GPIO1_IO1	0x80
> +		>;
> +	};
> +
> +	pinctrl_prox: proxgrp {
> +		fsl,pins = <
> +			/* INT_LIGHT */
> +			MX8MQ_IOMUXC_NAND_DATA01_GPIO3_IO7	0x80
> +		>;
> +	};
> +
> +	pinctrl_rtc: rtcgrp {
> +		fsl,pins = <
> +			/* RTC_INT */
> +			MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9	0x80
> +		>;
> +	};
> +
> +	pinctrl_sai2: sai2grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0	0xd6
> +			MX8MQ_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC	0xd6
> +			MX8MQ_IOMUXC_SAI2_MCLK_SAI2_MCLK	0xd6
> +			MX8MQ_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0	0xd6
> +			MX8MQ_IOMUXC_SAI2_TXC_SAI2_TX_BCLK	0xd6
> +		>;
> +	};
> +
> +	pinctrl_sai6: sai6grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SAI1_RXD5_SAI6_RX_DATA0	0xd6
> +			MX8MQ_IOMUXC_SAI1_RXD6_SAI6_RX_SYNC	0xd6
> +			MX8MQ_IOMUXC_SAI1_TXD4_SAI6_RX_BCLK	0xd6
> +			MX8MQ_IOMUXC_SAI1_TXD5_SAI6_TX_DATA0	0xd6
> +		>;
> +	};
> +
> +	pinctrl_tcpc: tcpcgrp {
> +		fsl,pins = <
> +			/* TCPC_INT */
> +			MX8MQ_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x01C0
> +		>;
> +	};
> +
> +	pinctrl_typec: typecgrp {
> +		fsl,pins = <
> +			/* TYPEC_MUX_EN */
> +			MX8MQ_IOMUXC_GPIO1_IO11_GPIO1_IO11	0x83
> +		>;
> +	};
> +
> +	pinctrl_uart1: uart1grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX	0x49
> +			MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX	0x49
> +		>;
> +	};
> +
> +	pinctrl_uart2: uart2grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX	0x49
> +			MX8MQ_IOMUXC_UART2_RXD_UART2_DCE_RX	0x49
> +		>;
> +	};
> +
> +	pinctrl_uart3: uart3grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_UART3_RXD_UART3_DCE_RX	0x49
> +			MX8MQ_IOMUXC_UART3_TXD_UART3_DCE_TX	0x49
> +		>;
> +	};
> +
> +	pinctrl_uart4: uart4grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_ECSPI2_SCLK_UART4_DCE_RX		0x49
> +			MX8MQ_IOMUXC_ECSPI2_MOSI_UART4_DCE_TX		0x49
> +			MX8MQ_IOMUXC_ECSPI2_MISO_UART4_DCE_CTS_B	0x49
> +			MX8MQ_IOMUXC_ECSPI2_SS0_UART4_DCE_RTS_B		0x49
> +		>;
> +	};
> +
> +	pinctrl_usdhc1: usdhc1grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x83
> +			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xc3
> +			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xc3
> +			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xc3
> +			MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x83
> +			MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0xc1
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x8d
> +			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xcd
> +			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xcd
> +			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xcd
> +			MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x8d
> +			MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0xc1
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x9f
> +			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xdf
> +			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xdf
> +			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xdf
> +			MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x9f
> +			MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0xc1
> +		>;
> +	};
> +
> +	pinctrl_usdhc2: usdhc2grp {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SD2_CD_B_GPIO2_IO12	0x80
> +			MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK		0x83
> +			MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD		0xc3
> +			MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0	0xc3
> +			MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1	0xc3
> +			MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2	0xc3
> +			MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3	0xc3
> +			MX8MQ_IOMUXC_SD2_RESET_B_USDHC2_RESET_B 0xc1
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SD2_CD_B_GPIO2_IO12	0x80
> +			MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK		0x8d
> +			MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD		0xcd
> +			MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0	0xcd
> +			MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1	0xcd
> +			MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2	0xcd
> +			MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3	0xcd
> +			MX8MQ_IOMUXC_SD2_RESET_B_USDHC2_RESET_B 0xc1
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> +		fsl,pins = <
> +			MX8MQ_IOMUXC_SD2_CD_B_GPIO2_IO12	0x80
> +			MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK		0x9f
> +			MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD		0xcf
> +			MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0	0xcf
> +			MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1	0xcf
> +			MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2	0xcf
> +			MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3	0xcf
> +			MX8MQ_IOMUXC_SD2_RESET_B_USDHC2_RESET_B 0xc1
> +		>;
> +	};
> +
> +	pinctrl_wdog: wdoggrp {
> +		fsl,pins = <
> +			/* nWDOG */
> +			MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B	0x1f
> +		>;
> +	};
> +};
> +
> +&i2c1 {
> +	clock-frequency = <387000>;

This frequency setting looks special.  Why cannot it be 400k?

> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +
> +	typec_pd: usb-pd@3f {
> +		compatible = "ti,tps6598x";
> +		reg = <0x3f>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_typec>, <&pinctrl_tcpc>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
> +
> +		connector {
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					usb_con_hs: endpoint {
> +						remote-endpoint = <&typec_hs>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					usb_con_ss: endpoint {
> +						remote-endpoint = <&typec_ss>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
> +	pmic: pmic@4b {
> +		compatible = "rohm,bd71837";
> +		reg = <0x4b>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pmic>;
> +		clocks = <&pmic_osc>;
> +		clock-names = "osc";
> +		clock-output-names = "pmic_clk";
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <7 GPIO_ACTIVE_LOW>;
> +		interrupt-names = "irq";
> +		rohm,reset-snvs-powered;
> +
> +		regulators {
> +			buck1_reg: BUCK1 {
> +				regulator-name = "BUCK1";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				regulator-ramp-delay = <1250>;
> +				rohm,dvs-run-voltage = <900000>;
> +				rohm,dvs-idle-voltage = <850000>;
> +				rohm,dvs-suspend-voltage = <800000>;
> +				regulator-always-on;
> +			};
> +
> +			buck2_reg: BUCK2 {
> +				regulator-name = "BUCK2";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				regulator-ramp-delay = <1250>;
> +				rohm,dvs-run-voltage = <1000000>;
> +				rohm,dvs-idle-voltage = <900000>;
> +				regulator-always-on;
> +			};
> +
> +			buck3_reg: BUCK3 {
> +				regulator-name = "BUCK3";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				rohm,dvs-run-voltage = <900000>;
> +				regulator-always-on;
> +			};
> +
> +			buck4_reg: BUCK4 {
> +				regulator-name = "BUCK4";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				rohm,dvs-run-voltage = <1000000>;
> +			};
> +
> +			buck5_reg: BUCK5 {
> +				regulator-name = "BUCK5";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-always-on;
> +			};
> +
> +			buck6_reg: BUCK6 {
> +				regulator-name = "BUCK6";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			buck7_reg: BUCK7 {
> +				regulator-name = "BUCK7";
> +				regulator-min-microvolt = <1605000>;
> +				regulator-max-microvolt = <1995000>;
> +				regulator-always-on;
> +			};
> +
> +			buck8_reg: BUCK8 {
> +				regulator-name = "BUCK8";
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <1400000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo1_reg: LDO1 {
> +				regulator-name = "LDO1";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3300000>;
> +				/* leave on for snvs power button */
> +				regulator-always-on;
> +			};
> +
> +			ldo2_reg: LDO2 {
> +				regulator-name = "LDO2";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <900000>;
> +				/* leave on for snvs power button */
> +				regulator-always-on;
> +			};
> +
> +			ldo3_reg: LDO3 {
> +				regulator-name = "LDO3";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo4_reg: LDO4 {
> +				regulator-name = "LDO4";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo5_reg: LDO5 {
> +				/* VDD_PHY_0V9 - MIPI and HDMI domains */
> +				regulator-name = "LDO5";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo6_reg: LDO6 {
> +				/* VDD_PHY_0V9 - MIPI, HDMI and USB domains */
> +				regulator-name = "LDO6";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo7_reg: LDO7 {
> +				/* VDD_PHY_3V3 - USB domain */
> +				regulator-name = "LDO7";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +		};
> +	};
> +
> +	rtc@68 {
> +		compatible = "microcrystal,rv4162";
> +		reg = <0x68>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_rtc>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +};
> +
> +&i2c2 {
> +	clock-frequency = <387000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "okay";
> +
> +	magnetometer@1e	{
> +		compatible = "st,lsm9ds1-magn";
> +		reg = <0x1e>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_mag>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
> +		vdd-supply = <&reg_vdd_sen>;
> +		vddio-supply = <&reg_vdd_1v8>;
> +	};
> +
> +	regulator@3e {
> +		compatible = "tps65132";
> +		reg = <0x3e>;

Have a newline between property list and child node.

> +		outp {
> +			regulator-name = "LCD_AVDD";
> +			vin-supply = <&reg_lcd_3v4>;
> +		};
> +
> +		outn {
> +			regulator-name = "LCD_AVEE";
> +			vin-supply = <&reg_lcd_3v4>;
> +		};
> +	};
> +
> +	flash@53 {
> +		compatible = "lm3560";
> +		reg = <0x53>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		flash@0 {
> +			reg = <0x0>;
> +			flash-timeout-us = <150000>;
> +			flash-max-microamp = <320000>;
> +			led-max-microamp = <60000>;
> +			label = "flash";
> +		};
> +
> +		torch@1 {
> +			reg = <0x1>;
> +			led-max-microamp = <10000>;
> +			label = "torch";
> +		};
> +
> +	};
> +
> +	prox@60 {
> +		compatible = "vishay,vcnl4040";
> +		reg = <0x60>;
> +		pinctrl-0 = <&pinctrl_prox>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	accel-gyro@6a	{
> +		compatible = "st,lsm9ds1-imu";
> +		reg = <0x6a>;
> +		vdd-supply = <&reg_vdd_sen>;
> +		vddio-supply = <&reg_vdd_1v8>;
> +		mount-matrix =  "1",  "0",  "0",
> +				"0",  "1",  "0",
> +				"0",  "0", "-1";
> +	};
> +};
> +
> +&i2c3 {
> +	clock-frequency = <387000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>;
> +	status = "okay";
> +
> +	codec: audio-codec@1a {
> +		compatible = "wlf,wm8962";
> +		reg = <0x1a>; // 0x4a is the test address
> +		clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
> +		assigned-clocks = <&clk IMX8MQ_CLK_SAI2>;
> +		assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
> +		assigned-clock-rates = <24576000>;
> +		#sound-dai-cells = <0>;
> +		mic-cfg = <0x200>;
> +		DCVDD-supply = <&reg_aud_1v8>;
> +		DBVDD-supply = <&reg_aud_1v8>;
> +		AVDD-supply = <&reg_aud_1v8>;
> +		CPVDD-supply = <&reg_aud_1v8>;
> +		MICVDD-supply = <&reg_aud_1v8>;
> +		PLLVDD-supply = <&reg_aud_1v8>;
> +		SPKVDD1-supply = <&reg_vsys_3v4>;
> +		SPKVDD2-supply = <&reg_vsys_3v4>;
> +		gpio-cfg = <
> +			0x0000 /* n/c */
> +			0x0001 /* gpio2, 1: default */
> +			0x0013 /* gpio3, 2: dmicclk */
> +			0x0000 /* n/c, 3: default */
> +			0x8014 /* gpio5, 4: dmic_dat */
> +			0x0000 /* gpio6, 5: default */
> +		>;
> +	};
> +
> +	backlight@36 {
> +		compatible = "ti,lm36922";
> +		reg = <0x36>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_bl>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +

Drop this newline.

Shawn

> +		enable-gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
> +		vled-supply = <&reg_vsys_3v4>;
> +		ti,ovp-microvolt = <25000000>;
> +
> +		led_backlight: led@0 {
> +			reg = <0>;
> +			label = ":backlight";
> +			linux,default-trigger = "backlight";
> +			led-max-microamp = <20000>;
> +		};
> +	};
> +
> +	touchscreen@38 {
> +		compatible = "edt,edt-ft5506";
> +		reg = <0x38>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
> +		touchscreen-size-x = <720>;
> +		touchscreen-size-y = <1440>;
> +	};
> +};
> +
> +&i2c4 {
> +	clock-frequency = <387000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c4>;
> +	status = "okay";
> +
> +	bat: fuel-gauge@36 {
> +		compatible = "maxim,max17055";
> +		reg = <0x36>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gauge>;
> +		maxim,over-heat-temp = <700>;
> +		maxim,over-volt = <4500>;
> +		maxim,rsns-microohm = <5000>;
> +	};
> +
> +	charger@6a {
> +		compatible = "ti,bq25890";
> +		reg = <0x6a>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_charger_in>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
> +		phys = <&usb3_phy0>;
> +		ti,battery-regulation-voltage = <4192000>; /* uV */
> +		ti,charge-current = <1600000>; /* uA */
> +		ti,termination-current = <66000>;  /* uA */
> +		ti,precharge-current = <130000>; /* uA */
> +		ti,minimum-sys-voltage = <3700000>; /* uV */
> +		ti,boost-voltage = <5000000>; /* uV */
> +		ti,boost-max-current = <50000>; /* uA */
> +		ti,use-vinmin-threshold = <1>; /* enable VINDPM */
> +		ti,vinmin-threshold = <3900000>; /* uV */
> +		monitored-battery = <&bat>;
> +	};
> +};
> +
> +&pgc_gpu {
> +	power-supply = <&buck3_reg>;
> +};
> +
> +&pgc_mipi {
> +	power-supply = <&ldo5_reg>;
> +};
> +
> +&pgc_vpu {
> +	power-supply = <&buck4_reg>;
> +};
> +
> +&pwm1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_haptic>;
> +	status = "okay";
> +};
> +
> +&pwm2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_led_b>;
> +	status = "okay";
> +};
> +
> +&pwm3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_led_g>;
> +	status = "okay";
> +};
> +
> +&pwm4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_led_r>;
> +	status = "okay";
> +};
> +
> +&sai2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_sai2>;
> +	assigned-clocks = <&clk IMX8MQ_CLK_SAI2>;
> +	assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
> +	assigned-clock-rates = <24576000>;
> +	assigned-clocks = <&clk IMX8MQ_AUDIO_PLL1>, <&clk IMX8MQ_AUDIO_PLL2>;
> +	assigned-clock-rates = <786432000>, <722534400>;
> +	status = "okay";
> +};
> +
> +&sai6 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_sai6>;
> +	assigned-clocks = <&clk IMX8MQ_CLK_SAI6>;
> +	assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
> +	assigned-clock-rates = <24576000>;
> +	fsl,sai-synchronous-rx;
> +	status = "okay";
> +};
> +
> +&snvs_pwrkey {
> +	status = "okay";
> +};
> +
> +&snvs_rtc {
> +	status = "disabled";
> +};
> +
> +&uart1 { /* console */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart1>;
> +	status = "okay";
> +};
> +
> +&uart2 { /* TPS - GPS - DEBUG */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart2>;
> +	status = "okay";
> +
> +	gnss {
> +		compatible = "globaltop,pa6h";
> +		vcc-supply = <&reg_gnss>;
> +		current-speed = <9600>;
> +	};
> +};
> +
> +&uart3 { /* SMC */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart3>;
> +	status = "okay";
> +};
> +
> +&uart4 { /* BT */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart4>;
> +	uart-has-rtscts;
> +	status = "okay";
> +};
> +
> +&usb3_phy0 {
> +	status = "okay";
> +};
> +
> +&usb3_phy1 {
> +	vbus-supply = <&reg_hub>;
> +	status = "okay";
> +};
> +
> +&usb_dwc3_0 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	dr_mode = "otg";
> +	snps,dis_u3_susphy_quirk;
> +	status = "okay";
> +
> +	port@0 {
> +		reg = <0>;
> +
> +		typec_hs: endpoint {
> +			remote-endpoint = <&usb_con_hs>;
> +		};
> +	};
> +
> +	port@1 {
> +		reg = <1>;
> +
> +		typec_ss: endpoint {
> +			remote-endpoint = <&usb_con_ss>;
> +		};
> +	};
> +};
> +
> +&usb_dwc3_1 {
> +	dr_mode = "host";
> +	status = "okay";
> +};
> +
> +&usdhc1 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc1>;
> +	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> +	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> +	bus-width = <8>;
> +	vmmc-supply = <&reg_vdd_3v3>;
> +	power-supply = <&reg_vdd_1v8>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&usdhc2 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc2>;
> +	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> +	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> +	bus-width = <4>;
> +	vmmc-supply = <&reg_wifi_3v3>;
> +	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
> +	disable-wp;
> +	cap-sdio-irq;
> +	keep-power-in-suspend;
> +	wakeup-source;
> +	status = "okay";
> +};
> +
> +&wdog1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_wdog>;
> +	fsl,ext-reset-output;
> +	status = "okay";
> +};
> -- 
> 2.20.1
> 

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