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Date:   Mon, 15 Apr 2019 18:20:14 +0200
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     "Angus Ainslie (Purism)" <angus@...ea.ca>
Cc:     Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 1/2] arm64: dts: fsl: librem5: Add a device tree for
 the Librem5 devkit

Hi Angus,

sorry for jumping in during the v3, please look at my inline comments.

On 19-04-15 09:03, Angus Ainslie (Purism) wrote:
> This is the development kit board for the Librem 5. The current level of
> support yields a working console and is able to boot userspace from the
> Network or eMMC.
> 
> Additional subsystems that are active :
> 
> - Both USB ports
> - SD card socket
> - WiFi usdhc
> - WWAN modem
> - GNSS
> - GPIO keys
> - LEDs
> - gyro
> - magnetometer
> - touchscreen
> - pwm
> - backlight
> - haptic motor
> 
> Signed-off-by: Angus Ainslie (Purism) <angus@...ea.ca>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../dts/freescale/imx8mq-librem5-devkit.dts   | 844 ++++++++++++++++++
>  2 files changed, 845 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 0bd122f60549..c043aca66572 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb
>  
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-rmb3.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-zest.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> new file mode 100644
> index 000000000000..37fd23c8126d
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> @@ -0,0 +1,844 @@
> +/* SPDX-License-Identifier: GPL-2.0+
> + *
> + * Copyright 2018-2019 Purism SPC
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mq.dtsi"
> +#include "dt-bindings/usb/pd.h"
> +#include "dt-bindings/input/input.h"
> +
> +/ {
> +	model = "Purism Librem 5 devkit 1.0";
> +	compatible = "purism,librem5-devkit", "fsl,imx8mq";
> +
> +	chosen {
> +		stdout-path = &uart1;
> +	};
> +
> +	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VSD_3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-always-on;
> +	};
> +
> +	wifi_pwr_en: wifi-en {
> +		compatible = "regulator-fixed";
> +		regulator-name = "WIFI_EN";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio3 5 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-always-on;
> +	};
> +
> +	reg_pwr_en: regulator-pwr-en {
> +		compatible = "regulator-fixed";
> +		regulator-name = "PWR_EN";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-always-on;
> +	};
> +
> +	reg_vbat: regulator-vbat {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VBAT_REG";
> +		regulator-always-on;
> +	};
> +
> +	reg_22V4_P: regulator-22V4-P {
> +		compatible = "regulator-fixed";
> +		regulator-name = "22V4_P";
> +		regulator-min-microvolt = <22400000>;
> +		regulator-max-microvolt = <22400000>;
> +		vin-supply = <&reg_vbat>;
> +	};
> +
> +	reg_5V_SOM: regulator-5V-SOM {
> +		compatible = "regulator-fixed";
> +		regulator-name = "5V_SOM";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&reg_vbat>;
> +		regulator-always-on;
> +	};
> +
> +	reg_5V_P: regulator-5V-P {
> +		/* Supplies HDMI, USB hub and smartcard */
> +		compatible = "regulator-fixed";
> +		regulator-name = "5V_P";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&reg_vbat>;
> +		en-supply = <&reg_pwr_en>;
> +	};
> +
> +	reg_3V3_P: regulator-3V3-P {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3V3_P";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&reg_vbat>;
> +		en-supply = <&reg_pwr_en>;
> +	};
> +
> +	reg_2V8_P: regulator-2V8-P {
> +		compatible = "regulator-fixed";
> +		regulator-name = "2V8_P";
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		vin-supply = <&reg_3V3_P>;
> +	};
> +
> +	reg_1V8_P: regulator-1V8-P {
> +		compatible = "regulator-fixed";
> +		regulator-name = "1V8_P";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&reg_vbat>;
> +		en-supply = <&reg_pwr_en>;
> +	};
> +
> +	pmic_osc: pmic-osc {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <32768>;
> +		clock-output-names = "pmic_osc";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gpio_leds>;
> +		status = "okay";
> +
> +		led1 {
> +			label = "LED 1";
> +			gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gpio_keys>;
> +
> +		btn1 {
> +			label = "VOL_UP";
> +			gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
> +			gpio-key,wakeup;
> +			linux,code = <KEY_VOLUMEUP>;
> +		};
> +
> +		btn2 {
> +			label = "VOL_DOWN";
> +			gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
> +			gpio-key,wakeup;
> +			linux,code = <KEY_VOLUMEDOWN>;
> +		};
> +
> +		hp_det {
> +			label = "HP_DET";
> +			gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
> +			gpio-key,wakeup;
> +			linux,code = <KEY_HP>;
> +		};
> +	};
> +
> +	backlight_dsi: backlight-dsi {
> +		compatible = "pwm-backlight";
> +		/* 200 Hz for the PAM2841 */
> +		pwms = <&pwm1 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>;

Since you specify each value you can also use the
'num-interpolated-steps' property:

		brightness-levels = <0 100>;
		num-interpolated-steps = <100>;

This seems a bit more clearer.

> +		/* Default brightness level (index into the array defined by */
> +		/* the "brightness-levels" property) */
> +		default-brightness-level = <0>;
> +		power-supply = <&reg_22V4_P>;
> +	};
> +
> +	pwmleds {
> +		compatible = "pwm-leds";
> +		haptic {
> +			label = "librem5::haptic";
> +			pwms = <&pwm2 0 200000>;
> +			active-low;
> +			max-brightness = <255>;
> +			power-supply = <&reg_3V3_P>;
> +		};
> +	};

I tought that the nodes should be orderd alphabetical. This applies also
for the iomuxc node.

> +};
> +
> +
> +&clk {
> +	assigned-clocks = <&clk IMX8MQ_AUDIO_PLL1>, <&clk IMX8MQ_AUDIO_PLL2>;
> +	assigned-clock-rates = <786432000>, <722534400>;
> +};
> +
> +&fec1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_fec1>;
> +	phy-mode = "rgmii-id";
> +	phy-handle = <&ethphy0>;
> +	fsl,magic-packet;
> +	status = "okay";
> +	phy-supply = <&reg_3V3_P>;
> +
> +	mdio {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ethphy0: ethernet-phy@1 {
> +			compatible = "ethernet-phy-ieee802.3-c22";
> +			reg = <1>;
> +		};
> +	};
> +};
> +
> +&iomuxc {
> +	pinctrl_pwr_en: pwrengrp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_GPIO1_IO08_GPIO1_IO8               0x06
> +		>;
> +	};
> +
> +	pinctrl_wwan: wwangrp {
> +		fsl,pins = <
> +		/* nWWAN_DISABLE */
> +		MX8MQ_IOMUXC_NAND_CE3_B_GPIO3_IO4	0x09
> +		/* nWoWWAN */
> +		MX8MQ_IOMUXC_NAND_DATA02_GPIO3_IO8	0x80
> +		/* WWAN_RESET */
> +		MX8MQ_IOMUXC_NAND_DATA03_GPIO3_IO9	0x19
> +		>;
> +	};
> +
> +	pinctrl_fec1: fec1grp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC		0x3
> +		MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO	0x3
> +		MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3	0x1f
> +		MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2	0x1f
> +		MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1	0x1f
> +		MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0	0x1f
> +		MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3	0x91
> +		MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2	0x91
> +		MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1	0x91
> +		MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0	0x91
> +		MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC	0x1f
> +		MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC	0x91
> +		MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
> +		MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
> +		MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9	0x19
> +		MX8MQ_IOMUXC_GPIO1_IO15_CCMSRCGPCMIX_CLKO2      0x1f
> +		>;
> +	};
> +
> +	pinctrl_i2c1: i2c1grp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL		0x4000001f
> +		MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA		0x4000001f
> +		>;
> +	};
> +
> +	pinctrl_i2c2: i2c2grp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL		0x4000001f
> +		MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA		0x4000001f
> +		>;
> +	};
> +
> +	pinctrl_i2c3: i2c3grp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL		0x4000001f
> +		MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA		0x4000001f
> +		>;
> +	};
> +
> +	pinctrl_typec: typecgrp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_NAND_DATA06_GPIO3_IO12	0x16
> +		MX8MQ_IOMUXC_NAND_CE0_B_GPIO3_IO1	0x80
> +		>;
> +	};
> +
> +	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
> +		MX8MQ_IOMUXC_UART4_RXD_UART2_DCE_CTS_B		0x49
> +		MX8MQ_IOMUXC_UART4_TXD_UART2_DCE_RTS_B		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
> +		MX8MQ_IOMUXC_GPIO1_IO00_ANAMIX_REF_CLK_32K	0x49
> +		>;
> +	};
> +
> +	pinctrl_bt: btgrp {
> +		fsl,pins = <
> +		/* nBT_DISABLE */
> +		MX8MQ_IOMUXC_NAND_DATA05_GPIO3_IO11             0x16
> +		/* BT_HOST_WAKE */
> +		MX8MQ_IOMUXC_NAND_DATA01_GPIO3_IO7              0x10
> +		>;
> +	};
> +
> +	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_gpio: usdhc2grpgpio {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_SD2_RESET_B_GPIO2_IO19		0x41
> +		/* WIFI_WAKE */
> +		MX8MQ_IOMUXC_SD2_WP_GPIO2_IO20			0x80
> +		>;
> +	};
> +
> +	pinctrl_usdhc2: usdhc2grp {
> +		fsl,pins = <
> +		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
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> +		fsl,pins = <
> +		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
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> +		fsl,pins = <
> +		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
> +		>;
> +	};
> +
> +	pinctrl_wdog: wdoggrp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B	0xc6
> +		>;
> +	};
> +
> +	pinctrl_charger: chargernirq {
> +		fsl,pins = <
> +		/* CHRG_nINT */
> +		MX8MQ_IOMUXC_SAI5_MCLK_GPIO3_IO25	0x80
> +		>;
> +	};
> +
> +	pinctrl_rtc: rtcirq {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_SAI3_RXC_GPIO4_IO29	0x80
> +		>;
> +	};
> +
> +	pinctrl_pmic: pmicint {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x80
> +		>;
> +	};
> +
> +	pinctrl_imu: imugrp {
> +		fsl,pins = <
> +		/* IMU_INT */
> +		MX8MQ_IOMUXC_SAI5_RXFS_GPIO3_IO19	0x8
> +		>;
> +	};
> +
> +	pinctrl_gpio_leds: gpioleds {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_GPIO1_IO13_GPIO1_IO13	0x16
> +		>;
> +	};
> +
> +	pinctrl_gpio_keys: gpiokeys {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_SAI2_RXFS_GPIO4_IO21	0x16
> +		MX8MQ_IOMUXC_SAI2_RXC_GPIO4_IO22	0x16
> +		/* HP_DET */
> +		MX8MQ_IOMUXC_SAI5_RXC_GPIO3_IO20	0x180
> +		>;
> +	};
> +
> +	pinctrl_goodix_ts: gt5688 {
> +		fsl,pins = <
> +		/* TOUCH INT */
> +		MX8MQ_IOMUXC_NAND_ALE_GPIO3_IO0         0x16
> +		/* TOUCH RST */
> +		MX8MQ_IOMUXC_GPIO1_IO05_GPIO1_IO5	0x19
> +		>;
> +	};
> +
> +	pinctrl_pwm1: pwm1 {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_GPIO1_IO01_PWM1_OUT	0x6  /* DSI_BL_PWM */
> +		>;
> +	};
> +
> +	pinctrl_haptic: hapticgrp {
> +		fsl,pins = <
> +		MX8MQ_IOMUXC_SPDIF_RX_PWM2_OUT		0xc6  /* nHAPTIC */
> +		>;
> +	};
> +};
> +
> +&i2c1 {
> +	clock-frequency = <400000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +
> +	pmic: pmic@4b {
> +		reg = <0x4b>;
> +		compatible = "rohm,bd71837";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pmic>;
> +		clocks = <&pmic_osc>;
> +		clock-names = "osc";
> +		clock-output-names = "pmic_clk";
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <3 GPIO_ACTIVE_LOW>;
> +		interrupt-names = "irq";
> +		rohm,reset-snvs-powered;
> +
> +		regulators {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			buck1_reg: BUCK1@0 {
> +				reg = <0>;
> +				regulator-name = "buck1";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <1250>;
> +				rohm,dvs-run-voltage = <900000>;
> +				rohm,dvs-idle-voltage = <850000>;
> +				rohm,dvs-suspend-voltage = <800000>;
> +			};
> +
> +			buck2_reg: BUCK2@1 {
> +				reg = <1>;
> +				regulator-name = "buck2";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <1250>;
> +				rohm,dvs-run-voltage = <1000000>;
> +				rohm,dvs-idle-voltage = <900000>;
> +			};
> +
> +			buck3_reg: BUCK3@2 {
> +				reg = <2>;
> +				regulator-name = "buck3";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				rohm,dvs-run-voltage = <1000000>;
> +			};
> +
> +			buck4_reg: BUCK4@3 {
> +				reg = <3>;
> +				regulator-name = "buck4";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1300000>;
> +				rohm,dvs-run-voltage = <1000000>;
> +			};
> +
> +			buck5_reg: BUCK5@4 {
> +				reg = <4>;
> +				regulator-name = "buck5";
> +				regulator-min-microvolt = <700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			buck6_reg: BUCK6@5 {
> +				reg = <5>;
> +				regulator-name = "buck6";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			buck7_reg: BUCK7@6 {
> +				reg = <6>;
> +				regulator-name = "buck7";
> +				regulator-min-microvolt = <1605000>;
> +				regulator-max-microvolt = <1995000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			buck8_reg: BUCK8@7 {
> +				reg = <7>;
> +				regulator-name = "buck8";
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <1400000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo1_reg: LDO1@8 {
> +				reg = <8>;
> +				regulator-name = "ldo1";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo2_reg: LDO2@9 {
> +				reg = <9>;
> +				regulator-name = "ldo2";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <900000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo3_reg: LDO3@10 {
> +				reg = <10>;
> +				regulator-name = "ldo3";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo4_reg: LDO4@11 {
> +				reg = <11>;
> +				regulator-name = "ldo4";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo5_reg: LDO5@12 {
> +				reg = <12>;
> +				regulator-name = "ldo5";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +
> +			ldo6_reg: LDO6@13 {
> +				reg = <13>;
> +				regulator-name = "ldo6";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			ldo7_reg: LDO7@14 {
> +				reg = <14>;
> +				regulator-name = "ldo7";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +		};
> +	};
> +
> +	typec_ptn5100: usb_typec@52 {
> +		compatible = "nxp,ptn5110";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_typec>;
> +		reg = <0x52>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
> +		vconn-supply = <&reg_5V_P>;
> +		usb_con: connector {
> +			compatible = "usb-c-connector";
> +			label = "USB-C";
> +			data-role = "dual";
> +			power-role = "dual";
> +			try-power-role = "sink";
> +			source-pdos = <PDO_FIXED(5000, 2000, PDO_FIXED_USB_COMM | PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP )>;
> +			sink-pdos = <PDO_FIXED(5000, 2000, PDO_FIXED_USB_COMM | PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP )
> +			     PDO_VAR(5000, 12000, 2000)>;
> +			op-sink-microwatt = <10000000>;
> +			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>;
> +					};
> +				};
> +			};
> +		};
> +
> +	};
> +
> +	charger: charger@6b { /* bq25896 */
> +		compatible = "ti,bq25890";
> +		reg = <0x6b>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_charger>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
> +		ti,battery-regulation-voltage = <4192000>; /* 4.192V */
> +		ti,charge-current = <1600000>; /* 1.6 A */
> +		ti,termination-current = <66000>;  /* 66mA */
> +		ti,precharge-current = <1300000>; /* 1.3A */
> +		ti,minimum-sys-voltage = <2750000>; /* 2.75V */
> +		ti,boost-voltage = <5000000>; /* 5V */
> +		ti,boost-max-current = <50000>; /* 50mA */
> +	};
> +
> +	rtc@68 {
> +		pinctrl-names = "default";
> +		compatible = "microcrystal,rv4162";
> +		reg = <0x68>;
> +		pinctrl-0 = <&pinctrl_rtc>;
> +		interrupt-parent = <&gpio4>;
> +		interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
> +	};

Ordered <reg> based? So rtc before charger.

> +};
> +
> +&i2c2 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "disabled";

I didn't checked the imx8mq.dtsi DT but I think it gets disabled
there so we can drop it here.

> +};
> +
> +&i2c3 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>, <&pinctrl_imu>;
> +	status = "okay";
> +
> +	lsm9d_magn: magnetometer@1e	{
> +		compatible = "st,lsm9ds1-magn";
> +		reg = <0x1e>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
> +		vdd-supply = <&reg_3V3_P>;
> +		vddio-supply = <&reg_3V3_P>;
> +	};
> +
> +	goodix_ts: touchscreen@5d {
> +		compatible = "goodix,gt5688";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_goodix_ts>;
> +		reg = <0x5d>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +		reset-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
> +		irq-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
> +		touchscreen-size-x = <720>;
> +		touchscreen-size-y = <1440>;
> +		AVDD28-supply = <&reg_2V8_P>;
> +		VDDIO-supply = <&reg_1V8_P>;
> +	};
> +};
> +
> +&usb3_phy0 {
> +	status = "okay";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	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_0 {
> +	status = "okay";
> +	extcon = <&typec_ptn5100>;
> +	dr_mode = "otg";
> +};
> +
> +&usb3_phy1 {
> +	status = "okay";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +};
> +
> +&usb_dwc3_1 {
> +	status = "okay";
> +	dr_mode = "host";
> +};

Ordering?

> +
> +&uart1 { /* console */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart1>;
> +	status = "okay";
> +};
> +
> +&uart3 { /* GNSS */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart3>;
> +	status = "okay";
> +};
> +
> +&uart4 { /* BT */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart4>, <&pinctrl_bt>;
> +	uart-has-rtscts;
> +	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>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&usdhc2 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
> +	bus-width = <4>;
> +	vmmc-supply = <&reg_usdhc2_vmmc>;
> +	power-supply = <&wifi_pwr_en>;
> +
> +	non-removable;
> +	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";
> +};

Ordering.

> +
> +&pwm1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm1>;
> +	status = "okay";
> +};
> +
> +&pwm2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_haptic>;
> +	status = "okay";
> +};

Regrads,

	Marco

> -- 
> 2.17.1
> 
> 
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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