Re: [PATCH v2 4/4] arm64: dts: freescale: Add DEBIX SOM A and SOM A I/O Board support

From: Shawn Guo
Date: Wed Jul 19 2023 - 04:16:34 EST

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On Mon, Jul 17, 2023 at 06:51:27PM +0200, Marco Felsch wrote:
> Add support for the Debix SOM A + SOM A I/O board. The commit enables
> only the basic features like:
> - 2x UART
> - 2x Network
> - eMMC/µSD
> - CAN
> - QSPI
> - USB Host / Device
>
> Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> ---
> Required patchsets:
>
> - usb: https://lore.kernel.org/all/20230623142228.4069084-1-m.felsch@xxxxxxxxxxxxxx/
> - net: https://lore.kernel.org/all/20230717164307.2868264-1-m.felsch@xxxxxxxxxxxxxx/
>
> Changelog:
>
> v2:
> - drop to generic polyhex,imx8mp-debix binding
> - net/phy: replace deprecated snps,reset-* and phy-reset-* bindings with
> new phy-node based ones
> - net/phy: fix phy properties and reset timings
> - net/phy: add fec phy-supply handling
> - net/phy: add eqos phy-supply handling
> - net/phy: fix baseboard-vdd3v3 timings to fulfill net-phy-timings
> - Fix spelling
> - Drop superfluous blank lines
> - pmic: make use of IRQ_TYPE_LEVEL_LOW
> - pmic: add whitespace between buck node name and '{'
>
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../freescale/imx8mp-debix-som-a-bmb-08.dts | 470 ++++++++++++++++++
> .../dts/freescale/imx8mp-debix-som-a.dtsi | 266 ++++++++++
> 3 files changed, 737 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index ef7d17aef58f0..ca7c9595e6ffa 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -91,6 +91,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-som-a-bmb-08.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk3.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
> new file mode 100644
> index 0000000000000..17028ab169717
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
> @@ -0,0 +1,470 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2019 NXP
> + * Copyright (C) 2023 Pengutronix, Marco Felsch <kernel@xxxxxxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mp-debix-som-a.dtsi"
> +
> +/ {
> + model = "Polyhex i.MX8MPlus Debix SOM A on BMB-08";
> + compatible = "polyhex,imx8mp-debix-som-a-bmb-08", "polyhex,imx8mp-debix-som-a",
> + "fsl,imx8mp";
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + reg_baseboard_vdd3v3: regulator-baseboard-vdd3v3 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "BB_VDD3V3";
> + gpio = <&expander0 10 GPIO_ACTIVE_HIGH>;
> + /* Required timings for ethernet phy's */
> + startup-delay-us = <50000>;
> + off-on-delay-us = <110000>;
> + enable-active-high;

Can we place this right after the line below?

gpio = <&expander0 10 GPIO_ACTIVE_HIGH>;

> + regulator-always-on;
> + };
> +
> + reg_baseboard_vdd5v0: regulator-baseboard-vdd5v0 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "BB_VDD5V";
> + gpio = <&expander0 9 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + regulator-som-vdd1v8 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "SOM_VDD1V8_SW";
> + gpio = <&expander0 12 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + regulator-som-vdd3v3 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "SOM_VDD3V3_SW";
> + gpio = <&expander0 11 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> + regulator-name = "VSD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + regulator-vbus-usb20 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "USB20_5V";
> + gpio = <&expander1 14 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + vin-supply = <&reg_baseboard_vdd5v0>;
> + };
> +
> + regulator-vbus-usb30 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "USB30_5V";
> + gpio = <&expander1 12 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + vin-supply = <&reg_baseboard_vdd5v0>;
> + };
> +
> + reg_vdd5v0: regulator-vdd5v0 {
> + compatible = "regulator-fixed";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "VDD_5V";
> + gpio = <&expander0 8 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +};
> +
> +&eqos {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_eqos>;
> + phy-supply = <&reg_baseboard_vdd3v3>;
> + phy-handle = <&ethphy0>;
> + phy-mode = "rgmii-id";
> + status = "okay";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + reset-gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <20000>;
> + reset-deassert-us = <150000>;
> + eee-broken-1000t;
> + realtek,clkout-disable;
> + };
> + };
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_fec>;
> + phy-supply = <&reg_baseboard_vdd3v3>;
> + phy-handle = <&ethphy1>;
> + phy-mode = "rgmii-id";
> + fsl,magic-packet;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy1: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + reset-gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <20000>;
> + reset-deassert-us = <150000>;
> + eee-broken-1000t;
> + realtek,clkout-disable;
> + };
> + };
> +};
> +
> +&flexcan1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexcan1>;
> + xceiver-supply = <&reg_vdd5v0>;
> + status = "okay";
> +};
> +
> +&flexcan2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexcan2>;
> + xceiver-supply = <&reg_vdd5v0>;
> + status = "okay";
> +};
> +
> +&flexspi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexspi0>;
> + status = "okay";
> +
> + flash: flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <80000000>;
> + spi-tx-bus-width = <1>;
> + spi-rx-bus-width = <4>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> +};
> +
> +&i2c4 {
> + expander0: gpio@20 {
> + compatible = "nxp,pca9535";
> + reg = <0x20>;
> + gpio-controller;
> + #gpio-cells = <0x02>;
> + };
> +
> + expander1: gpio@23 {
> + compatible = "nxp,pca9535";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <0x02>;
> +
> + /*
> + * Since USB1 is bound to peripheral mode we need to ensure
> + * that VBUS is turned off.
> + */
> + usb30-otg-hog {
> + gpio-hog;
> + gpios = <13 GPIO_ACTIVE_HIGH>;
> + output-low;
> + line-name = "USB30_OTG_EN";
> + };
> + };
> +
> + eeprom@52 {
> + compatible = "atmel,24c02";
> + reg = <0x52>;
> + pagesize = <16>;
> + };
> +
> + rtc@51 {

Sort them in order of unit-address.

> + compatible = "haoyu,hym8563";
> + reg = <0x51>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rtc>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
> + #clock-cells = <0>;
> + };
> +};
> +
> +&snvs_pwrkey {
> + status = "okay";
> +};
> +
> +/* Debug */
> +&uart2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + status = "okay";
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + status = "okay";
> +};
> +
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + status = "okay";
> +};
> +
> +&usb3_0 {
> + status = "okay";
> +};
> +
> +&usb3_1 {
> + status = "okay";
> +};
> +
> +&usb_dwc3_0 {
> + dr_mode = "peripheral";
> + status = "okay";
> +};
> +
> +&usb_dwc3_1 {
> + dr_mode = "host";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
> +
> + /* 2.x hub on port 1 */
> + usb_hub_2_x: hub@1 {
> + compatible = "usb5e3,610";
> + reg = <1>;
> + reset-gpios = <&expander1 9 GPIO_ACTIVE_LOW>;
> + vdd-supply = <&reg_vdd5v0>;
> + peer-hub = <&usb_hub_3_x>;
> + };
> +
> + /* 3.x hub on port 2 */
> + usb_hub_3_x: hub@2 {
> + compatible = "usb5e3,620";
> + reg = <2>;
> + reset-gpios = <&expander1 9 GPIO_ACTIVE_LOW>;
> + vdd-supply = <&reg_vdd5v0>;
> + peer-hub = <&usb_hub_2_x>;
> + };
> +};
> +
> +&usb3_phy0 {
> + status = "okay";
> +};
> +
> +&usb3_phy1 {
> + status = "okay";
> +};
> +
> +/* µSD Card */
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
> + assigned-clock-rates = <400000000>;
> + vmmc-supply = <&reg_usdhc2_vmmc>;
> + bus-width = <4>;
> + disable-wp;
> + no-sdio;
> + no-mmc;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_eqos: eqosgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x3
> + MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO 0x3
> + MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0 0x91
> + MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1 0x91
> + MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2 0x91
> + MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3 0x91
> + MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x91
> + MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x91
> + MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0 0x1f
> + MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1 0x1f
> + MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2 0x1f
> + MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3 0x1f
> + MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x1f
> + MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x1f
> +
> + MX8MP_IOMUXC_SAI1_RXFS__ENET1_1588_EVENT0_IN 0x1f
> + MX8MP_IOMUXC_SAI1_TXD6__GPIO4_IO18 0x19
> + >;
> + };
> +
> + pinctrl_fec: fecgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC 0x3
> + MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO 0x3
> + MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0 0x91
> + MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1 0x91
> + MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2 0x91
> + MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3 0x91
> + MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC 0x91
> + MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL 0x91
> + MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0 0x1f
> + MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1 0x1f
> + MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2 0x1f
> + MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3 0x1f
> + MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL 0x1f
> + MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC 0x1f
> + MX8MP_IOMUXC_SAI1_RXD0__ENET1_1588_EVENT1_IN 0x1f
> + MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19 0x19
> + >;
> + };
> +
> + pinctrl_flexcan1: flexcan1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX 0x154
> + MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX 0x154
> + >;
> + };
> +
> + pinctrl_flexcan2: flexcan2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX 0x154
> + MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX 0x154
> + >;
> + };
> +
> + pinctrl_flexspi0: flexspi0grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_ALE__FLEXSPI_A_SCLK 0x1c2
> + MX8MP_IOMUXC_NAND_CE0_B__FLEXSPI_A_SS0_B 0x82
> + MX8MP_IOMUXC_NAND_DATA00__FLEXSPI_A_DATA00 0x82
> + MX8MP_IOMUXC_NAND_DATA01__FLEXSPI_A_DATA01 0x82
> + MX8MP_IOMUXC_NAND_DATA02__FLEXSPI_A_DATA02 0x82
> + MX8MP_IOMUXC_NAND_DATA03__FLEXSPI_A_DATA03 0x82
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c2
> + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2
> + >;
> + };
> +
> + pinctrl_i2c4: i2c4grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c3
> + MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_rtc: rtcgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03 0x140
> + >;
> + };
> +
> + pinctrl_pmic: pmicgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x41
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x41
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x14f
> + MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x14f
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX 0x49
> + MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX 0x49
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX 0x49
> + MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x49
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190
> + MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d0
> + MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d0
> + MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d0
> + MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d0
> + MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d0
> + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x194
> + MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d4
> + MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d4
> + MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d4
> + MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d4
> + MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d4
> + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x196
> + MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d6
> + MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d6
> + MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d6
> + MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d6
> + MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d6
> + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
> + >;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi
> new file mode 100644
> index 0000000000000..a089cadacc105
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi
> @@ -0,0 +1,266 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2019 NXP
> + * Copyright (C) 2023 Pengutronix, Marco Felsch <kernel@xxxxxxxxxxxxxx>
> + */
> +
> +#include "imx8mp.dtsi"
> +
> +/ {
> + model = "Polyhex i.MX8MPlus Debix SOM A";
> + compatible = "polyhex,imx8mp-debix-som-a", "fsl,imx8mp";
> +};
> +
> +&A53_0 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_1 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_2 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_3 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&i2c1 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + pmic@25 {
> + compatible = "nxp,pca9450c";
> + reg = <0x25>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pmic>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> +
> + regulators {
> + buck1: BUCK1 {
> + regulator-name = "BUCK1";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + buck2: BUCK2 {
> + regulator-name = "BUCK2";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + nxp,dvs-run-voltage = <950000>;
> + nxp,dvs-standby-voltage = <850000>;
> + };
> +
> + buck4: BUCK4 {
> + regulator-name = "BUCK4";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck5: BUCK5 {
> + regulator-name = "BUCK5";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck6: BUCK6 {
> + regulator-name = "BUCK6";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo1: LDO1 {
> + regulator-name = "LDO1";
> + regulator-min-microvolt = <1600000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo2: LDO2 {
> + regulator-name = "LDO2";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1150000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3: LDO3 {
> + regulator-name = "LDO3";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo4: LDO4 {
> + regulator-name = "LDO4";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo5: LDO5 {
> + regulator-name = "LDO5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&i2c4 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c4>;
> + status = "okay";
> +
> + adc@48 {
> + compatible = "ti,ads1115";
> + reg = <0x48>;
> +

Unnecessary newline.

> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@4 {
> + reg = <4>;
> + ti,gain = <1>;
> + ti,datarate = <7>;
> + };

Have a newline between nodes.

Shawn

> + channel@5 {
> + reg = <5>;
> + ti,gain = <1>;
> + ti,datarate = <7>;
> + };
> + channel@6 {
> + reg = <6>;
> + ti,gain = <1>;
> + ti,datarate = <7>;
> + };
> + channel@7 {
> + reg = <7>;
> + ti,gain = <1>;
> + ti,datarate = <7>;
> + };
> + };
> +};
> +
> +&snvs_pwrkey {
> + status = "okay";
> +};
> +
> +/* eMMC */
> +&usdhc3 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + assigned-clocks = <&clk IMX8MP_CLK_USDHC3>;
> + assigned-clock-rates = <400000000>;
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
> +
> +&wdog1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c2
> + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2
> + >;
> + };
> +
> + pinctrl_i2c4: i2c4grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c3
> + MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_pmic: pmicgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x41
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x190
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d0
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d0
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d0
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d0
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d0
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d0
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d0
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d0
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d0
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x190
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x194
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d4
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d4
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d4
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d4
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d4
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d4
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d4
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d4
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d4
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x194
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x196
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d6
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d6
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d6
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d6
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d6
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d6
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d6
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d6
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d6
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x196
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0xc6
> + >;
> + };
> +};
> --
> 2.39.2
>

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