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Message-ID: <aYJ9XG8ptxtK7kNQ@lizhi-Precision-Tower-5810>
Date: Tue, 3 Feb 2026 17:57:32 -0500
From: Frank Li <Frank.li@....com>
To: Tim Harvey <tharvey@...eworks.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] arm64: dts: imx: Add i.mx8mm Gateworks GW7906 dts
support
On Tue, Feb 03, 2026 at 12:31:42PM -0800, Tim Harvey wrote:
> On Tue, Feb 3, 2026 at 11:36 AM Frank Li <Frank.li@....com> wrote:
> > <snip>
> > > > > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> > > > > index 700bab4d3e60..83fc7faf81d8 100644
> > > > > --- a/arch/arm64/boot/dts/freescale/Makefile
> > > > > +++ b/arch/arm64/boot/dts/freescale/Makefile
> > > > > @@ -167,6 +167,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7901.dtb
> > > > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7902.dtb
> > > > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7903.dtb
> > > > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7904.dtb
> > > > > +dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7906.dtb
> > > >
> > > > Please run https://github.com/lznuaa/dt-format for new dts to keep nice
> > > > node order,
> > > >
> > > > If output result is not good enough, let know
> > >
> > > I notice you asking people to do this but is that tool robust? Every
> > > dts I through at it crashes:
> > >
> > > $ git clone https://github.com/lznuaa/dt-format.git
> > > $ cd dt-format
> > > $ make
> > > $ ./dt-format ~/linux-6.18/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> > > Segmentation fault (core dumped)
> >
> > which version imx8mm-evk.dts? It works at my side.
> >
>
> Every version I've tried crashes. It crashes for me on v6.18 of
> arch/arm64/boot/dts/freescale/imx8mm-evk.dts. See
> https://github.com/lznuaa/dt-format/issues/4 - reverting the latest
> patch resolves the issue.
Thanks, let me debug it.
>
> Is using dt-format really a requirement?
I want to avoid re-order nodes in futures. The properties order is not
so important, but nodes order is important to avoid add duplicate nodes.
git log show some commits, which remove duplicated nodes. Without tools
help, I have to manual check it.
> If this is a requirement it
> should probably be picked up and integrated into the dtc somehow or at
> least properly maintained? There are issues reported that appear very
> valid to me that have not been addressed in 7 months time among them
> being the fact it crashes on most dts and some of the ordering rules
> that have not been the norm:
> https://github.com/lznuaa/dt-format/issues
Sorry, I missed it. I will monitor this project closely.
>
> I welcome a tool that helps streamline the dts process but this tool
> appears to need some work.
Yes, let me fix this issue firstly.
Frank
>
> Best Regards,
>
> Tim
>
> > Frank
> >
> > >
> > > Best Regards,
> > >
> > > Tim
> > >
> > > >
> > > > Frank
> > > >
> > > > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-dahlia.dtb
> > > > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-dev.dtb
> > > > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-ivy.dtb
> > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7906.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7906.dts
> > > > > new file mode 100644
> > > > > index 000000000000..ec146a2b7549
> > > > > --- /dev/null
> > > > > +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7906.dts
> > > > > @@ -0,0 +1,869 @@
> > > > > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > > > > +/*
> > > > > + * Copyright 2026 Gateworks Corporation
> > > > > + */
> > > > > +
> > > > > +/dts-v1/;
> > > > > +
> > > > > +#include <dt-bindings/gpio/gpio.h>
> > > > > +#include <dt-bindings/input/linux-event-codes.h>
> > > > > +#include <dt-bindings/leds/common.h>
> > > > > +#include <dt-bindings/net/ti-dp83867.h>
> > > > > +#include <dt-bindings/phy/phy-imx8-pcie.h>
> > > > > +
> > > > > +#include "imx8mm.dtsi"
> > > > > +
> > > > > +/ {
> > > > > + model = "Gateworks Venice GW7906 i.MX8MM board";
> > > > > + compatible = "gateworks,imx8mm-gw7906", "fsl,imx8mm";
> > > > > +
> > > > > + aliases {
> > > > > + ethernet0 = &fec1;
> > > > > + rtc0 = &gsc_rtc;
> > > > > + rtc1 = &snvs_rtc;
> > > > > + usb0 = &usbotg1;
> > > > > + };
> > > > > +
> > > > > + chosen {
> > > > > + stdout-path = &uart2;
> > > > > + };
> > > > > +
> > > > > + memory@...00000 {
> > > > > + device_type = "memory";
> > > > > + reg = <0x0 0x40000000 0 0x80000000>;
> > > > > + };
> > > > > +
> > > > > + gpio-keys {
> > > > > + compatible = "gpio-keys";
> > > > > +
> > > > > + key-user-pb {
> > > > > + label = "user_pb";
> > > > > + gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
> > > > > + linux,code = <BTN_0>;
> > > > > + };
> > > > > +
> > > > > + key-user-pb1x {
> > > > > + label = "user_pb1x";
> > > > > + linux,code = <BTN_1>;
> > > > > + interrupt-parent = <&gsc>;
> > > > > + interrupts = <0>;
> > > > > + };
> > > > > +
> > > > > + key-erased {
> > > > > + label = "key_erased";
> > > > > + linux,code = <BTN_2>;
> > > > > + interrupt-parent = <&gsc>;
> > > > > + interrupts = <1>;
> > > > > + };
> > > > > +
> > > > > + key-eeprom-wp {
> > > > > + label = "eeprom_wp";
> > > > > + linux,code = <BTN_3>;
> > > > > + interrupt-parent = <&gsc>;
> > > > > + interrupts = <2>;
> > > > > + };
> > > > > +
> > > > > + switch-hold {
> > > > > + label = "switch_hold";
> > > > > + linux,code = <BTN_5>;
> > > > > + interrupt-parent = <&gsc>;
> > > > > + interrupts = <7>;
> > > > > + };
> > > > > + };
> > > > > +
> > > > > + led-controller {
> > > > > + compatible = "gpio-leds";
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_gpio_leds>;
> > > > > +
> > > > > + led-0 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_RED>;
> > > > > + label = "led01_red";
> > > > > + gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-1 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + label = "led01_grn";
> > > > > + gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-2 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_RED>;
> > > > > + label = "led02_red";
> > > > > + gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-3 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + label = "led02_grn";
> > > > > + gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-4 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_RED>;
> > > > > + label = "led03_red";
> > > > > + gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-5 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + label = "led03_grn";
> > > > > + gpios = <&gpio5 3 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-6 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_RED>;
> > > > > + label = "led04_red";
> > > > > + gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-7 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + label = "led04_grn";
> > > > > + gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-8 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_RED>;
> > > > > + label = "led05_red";
> > > > > + gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-9 {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + label = "led05_grn";
> > > > > + gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-a {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_RED>;
> > > > > + label = "led06_red";
> > > > > + gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > +
> > > > > + led-b {
> > > > > + function = LED_FUNCTION_STATUS;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + label = "led06_grn";
> > > > > + gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> > > > > + default-state = "off";
> > > > > + };
> > > > > + };
> > > > > +
> > > > > + pcie0_refclk: pcie0-refclk {
> > > > > + compatible = "fixed-clock";
> > > > > + #clock-cells = <0>;
> > > > > + clock-frequency = <100000000>;
> > > > > + };
> > > > > +
> > > > > + reg_3p3v: regulator-3p3v {
> > > > > + compatible = "regulator-fixed";
> > > > > + regulator-name = "3P3V";
> > > > > + regulator-min-microvolt = <3300000>;
> > > > > + regulator-max-microvolt = <3300000>;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +};
> > > > > +
> > > > > +&A53_0 {
> > > > > + cpu-supply = <&buck2>;
> > > > > +};
> > > > > +
> > > > > +&A53_1 {
> > > > > + cpu-supply = <&buck2>;
> > > > > +};
> > > > > +
> > > > > +&A53_2 {
> > > > > + cpu-supply = <&buck2>;
> > > > > +};
> > > > > +
> > > > > +&A53_3 {
> > > > > + cpu-supply = <&buck2>;
> > > > > +};
> > > > > +
> > > > > +&ddrc {
> > > > > + operating-points-v2 = <&ddrc_opp_table>;
> > > > > +
> > > > > + ddrc_opp_table: opp-table {
> > > > > + compatible = "operating-points-v2";
> > > > > +
> > > > > + opp-25000000 {
> > > > > + opp-hz = /bits/ 64 <25000000>;
> > > > > + };
> > > > > +
> > > > > + opp-100000000 {
> > > > > + opp-hz = /bits/ 64 <100000000>;
> > > > > + };
> > > > > +
> > > > > + opp-750000000 {
> > > > > + opp-hz = /bits/ 64 <750000000>;
> > > > > + };
> > > > > + };
> > > > > +};
> > > > > +
> > > > > +&fec1 {
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_fec1>;
> > > > > + phy-mode = "rgmii-id";
> > > > > + phy-handle = <ðphy0>;
> > > > > + local-mac-address = [00 00 00 00 00 00];
> > > > > + status = "okay";
> > > > > +
> > > > > + mdio {
> > > > > + #address-cells = <1>;
> > > > > + #size-cells = <0>;
> > > > > +
> > > > > + ethphy0: ethernet-phy@0 {
> > > > > + compatible = "ethernet-phy-ieee802.3-c22";
> > > > > + reg = <0>;
> > > > > + ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
> > > > > + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> > > > > + ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> > > > > + tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> > > > > + rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> > > > > +
> > > > > + leds {
> > > > > + #address-cells = <1>;
> > > > > + #size-cells = <0>;
> > > > > +
> > > > > + led@1 {
> > > > > + reg = <1>;
> > > > > + color = <LED_COLOR_ID_AMBER>;
> > > > > + function = LED_FUNCTION_LAN;
> > > > > + default-state = "keep";
> > > > > + };
> > > > > +
> > > > > + led@2 {
> > > > > + reg = <2>;
> > > > > + color = <LED_COLOR_ID_GREEN>;
> > > > > + function = LED_FUNCTION_LAN;
> > > > > + default-state = "keep";
> > > > > + };
> > > > > + };
> > > > > + };
> > > > > + };
> > > > > +};
> > > > > +
> > > > > +&gpio1 {
> > > > > + gpio-line-names = "", "", "", "", "", "", "", "",
> > > > > + "", "", "rs422_en#", "rs485_en#", "rs232_en#", "", "", "",
> > > > > + "", "", "", "", "", "", "", "",
> > > > > + "", "", "", "", "", "", "", "";
> > > > > +};
> > > > > +
> > > > > +&gpio2 {
> > > > > + gpio-line-names = "", "", "", "", "", "", "dig1_ctl", "",
> > > > > + "dig1_out#", "dig1_in", "", "", "", "", "", "",
> > > > > + "", "", "", "", "", "", "", "",
> > > > > + "", "", "", "", "", "", "", "";
> > > > > +};
> > > > > +
> > > > > +&gpio5 {
> > > > > + gpio-line-names = "", "", "", "", "", "", "", "",
> > > > > + "", "", "", "", "pci_wdis#", "", "", "",
> > > > > + "", "", "", "", "", "", "", "",
> > > > > + "", "", "", "", "", "", "", "";
> > > > > +};
> > > > > +
> > > > > +&i2c1 {
> > > > > + clock-frequency = <100000>;
> > > > > + pinctrl-names = "default", "gpio";
> > > > > + pinctrl-0 = <&pinctrl_i2c1>;
> > > > > + pinctrl-1 = <&pinctrl_i2c1_gpio>;
> > > > > + scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > > > > + sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > > > > + status = "okay";
> > > > > +
> > > > > + gsc: gsc@20 {
> > > > > + compatible = "gw,gsc";
> > > > > + reg = <0x20>;
> > > > > + pinctrl-0 = <&pinctrl_gsc>;
> > > > > + interrupt-parent = <&gpio4>;
> > > > > + interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
> > > > > + interrupt-controller;
> > > > > + #interrupt-cells = <1>;
> > > > > + #address-cells = <1>;
> > > > > + #size-cells = <0>;
> > > > > +
> > > > > + adc {
> > > > > + compatible = "gw,gsc-adc";
> > > > > + #address-cells = <1>;
> > > > > + #size-cells = <0>;
> > > > > +
> > > > > + channel@6 {
> > > > > + gw,mode = <0>;
> > > > > + reg = <0x06>;
> > > > > + label = "temp";
> > > > > + };
> > > > > +
> > > > > + channel@8 {
> > > > > + gw,mode = <3>;
> > > > > + reg = <0x08>;
> > > > > + label = "vdd_bat";
> > > > > + };
> > > > > +
> > > > > + channel@82 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x82>;
> > > > > + label = "vin";
> > > > > + gw,voltage-divider-ohms = <22100 1000>;
> > > > > + gw,voltage-offset-microvolt = <700000>;
> > > > > + };
> > > > > +
> > > > > + channel@84 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x84>;
> > > > > + label = "vdd_5p0";
> > > > > + gw,voltage-divider-ohms = <10000 10000>;
> > > > > + };
> > > > > +
> > > > > + channel@86 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x86>;
> > > > > + label = "vdd_3p3";
> > > > > + gw,voltage-divider-ohms = <10000 10000>;
> > > > > + };
> > > > > +
> > > > > + channel@88 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x88>;
> > > > > + label = "vdd_0p9";
> > > > > + };
> > > > > +
> > > > > + channel@8c {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x8c>;
> > > > > + label = "vdd_soc";
> > > > > + };
> > > > > +
> > > > > + channel@8e {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x8e>;
> > > > > + label = "vdd_arm";
> > > > > + };
> > > > > +
> > > > > + channel@90 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x90>;
> > > > > + label = "vdd_1p8";
> > > > > + };
> > > > > +
> > > > > + channel@92 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0x92>;
> > > > > + label = "vdd_dram";
> > > > > + };
> > > > > +
> > > > > + channel@a2 {
> > > > > + gw,mode = <2>;
> > > > > + reg = <0xa2>;
> > > > > + label = "vdd_gsc";
> > > > > + gw,voltage-divider-ohms = <10000 10000>;
> > > > > + };
> > > > > + };
> > > > > + };
> > > > > +
> > > > > + gpio: gpio@23 {
> > > > > + compatible = "nxp,pca9555";
> > > > > + reg = <0x23>;
> > > > > + gpio-controller;
> > > > > + #gpio-cells = <2>;
> > > > > + interrupt-parent = <&gsc>;
> > > > > + interrupts = <4>;
> > > > > + };
> > > > > +
> > > > > + eeprom@50 {
> > > > > + compatible = "atmel,24c02";
> > > > > + reg = <0x50>;
> > > > > + pagesize = <16>;
> > > > > + };
> > > > > +
> > > > > + eeprom@51 {
> > > > > + compatible = "atmel,24c02";
> > > > > + reg = <0x51>;
> > > > > + pagesize = <16>;
> > > > > + };
> > > > > +
> > > > > + eeprom@52 {
> > > > > + compatible = "atmel,24c02";
> > > > > + reg = <0x52>;
> > > > > + pagesize = <16>;
> > > > > + };
> > > > > +
> > > > > + eeprom@53 {
> > > > > + compatible = "atmel,24c02";
> > > > > + reg = <0x53>;
> > > > > + pagesize = <16>;
> > > > > + };
> > > > > +
> > > > > + gsc_rtc: rtc@68 {
> > > > > + compatible = "dallas,ds1672";
> > > > > + reg = <0x68>;
> > > > > + };
> > > > > +};
> > > > > +
> > > > > +&i2c2 {
> > > > > + clock-frequency = <400000>;
> > > > > + pinctrl-names = "default", "gpio";
> > > > > + pinctrl-0 = <&pinctrl_i2c2>;
> > > > > + pinctrl-1 = <&pinctrl_i2c2_gpio>;
> > > > > + scl-gpios = <&gpio5 16 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > > > > + sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > > > > + status = "okay";
> > > > > +
> > > > > + pmic@4b {
> > > > > + compatible = "rohm,bd71847";
> > > > > + reg = <0x4b>;
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_pmic>;
> > > > > + interrupt-parent = <&gpio3>;
> > > > > + interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
> > > > > + rohm,reset-snvs-powered;
> > > > > + #clock-cells = <0>;
> > > > > + clocks = <&osc_32k>;
> > > > > + clock-output-names = "clk-32k-out";
> > > > > +
> > > > > + regulators {
> > > > > + /* vdd_soc: 0.805-0.900V (typ=0.8V) */
> > > > > + BUCK1 {
> > > > > + regulator-name = "buck1";
> > > > > + regulator-min-microvolt = <700000>;
> > > > > + regulator-max-microvolt = <1300000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + regulator-ramp-delay = <1250>;
> > > > > + };
> > > > > +
> > > > > + /* vdd_arm: 0.805-1.0V (typ=0.9V) */
> > > > > + buck2: BUCK2 {
> > > > > + 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>;
> > > > > + };
> > > > > +
> > > > > + /* vdd_0p9: 0.805-1.0V (typ=0.9V) */
> > > > > + BUCK3 {
> > > > > + regulator-name = "buck3";
> > > > > + regulator-min-microvolt = <700000>;
> > > > > + regulator-max-microvolt = <1350000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + /* vdd_3p3 */
> > > > > + BUCK4 {
> > > > > + regulator-name = "buck4";
> > > > > + regulator-min-microvolt = <3000000>;
> > > > > + regulator-max-microvolt = <3300000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + /* vdd_1p8 */
> > > > > + BUCK5 {
> > > > > + regulator-name = "buck5";
> > > > > + regulator-min-microvolt = <1605000>;
> > > > > + regulator-max-microvolt = <1995000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + /* vdd_dram */
> > > > > + BUCK6 {
> > > > > + regulator-name = "buck6";
> > > > > + regulator-min-microvolt = <800000>;
> > > > > + regulator-max-microvolt = <1400000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + /* nvcc_snvs_1p8 */
> > > > > + LDO1 {
> > > > > + regulator-name = "ldo1";
> > > > > + regulator-min-microvolt = <1600000>;
> > > > > + regulator-max-microvolt = <1900000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + /* vdd_snvs_0p8 */
> > > > > + LDO2 {
> > > > > + regulator-name = "ldo2";
> > > > > + regulator-min-microvolt = <800000>;
> > > > > + regulator-max-microvolt = <900000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + /* vdda_1p8 */
> > > > > + LDO3 {
> > > > > + regulator-name = "ldo3";
> > > > > + regulator-min-microvolt = <1800000>;
> > > > > + regulator-max-microvolt = <3300000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + LDO4 {
> > > > > + regulator-name = "ldo4";
> > > > > + regulator-min-microvolt = <900000>;
> > > > > + regulator-max-microvolt = <1800000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > +
> > > > > + LDO6 {
> > > > > + regulator-name = "ldo6";
> > > > > + regulator-min-microvolt = <900000>;
> > > > > + regulator-max-microvolt = <1800000>;
> > > > > + regulator-boot-on;
> > > > > + regulator-always-on;
> > > > > + };
> > > > > + };
> > > > > + };
> > > > > +};
> > > > > +
> > > > > +&i2c3 {
> > > > > + clock-frequency = <400000>;
> > > > > + pinctrl-names = "default", "gpio";
> > > > > + pinctrl-0 = <&pinctrl_i2c3>;
> > > > > + pinctrl-1 = <&pinctrl_i2c3_gpio>;
> > > > > + scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > > > > + sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > > > > + status = "okay";
> > > > > +
> > > > > + accelerometer@19 {
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_accel>;
> > > > > + compatible = "st,lis2de12";
> > > > > + reg = <0x19>;
> > > > > + st,drdy-int-pin = <1>;
> > > > > + interrupt-parent = <&gpio1>;
> > > > > + interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
> > > > > + };
> > > > > +};
> > > > > +
> > > > > +&pcie_phy {
> > > > > + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
> > > > > + fsl,clkreq-unsupported;
> > > > > + clocks = <&pcie0_refclk>;
> > > > > + clock-names = "ref";
> > > > > + status = "okay";
> > > > > +};
> > > > > +
> > > > > +&pcie0 {
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_pcie0>;
> > > > > + reset-gpio = <&gpio5 11 GPIO_ACTIVE_LOW>;
> > > > > + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,
> > > > > + <&clk IMX8MM_CLK_PCIE1_AUX>;
> > > > > + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
> > > > > + <&clk IMX8MM_CLK_PCIE1_CTRL>;
> > > > > + assigned-clock-rates = <10000000>, <250000000>;
> > > > > + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>,
> > > > > + <&clk IMX8MM_SYS_PLL2_250M>;
> > > > > + status = "okay";
> > > > > +};
> > > > > +
> > > > > +&disp_blk_ctrl {
> > > > > + status = "disabled";
> > > > > +};
> > > > > +
> > > > > +&pgc_mipi {
> > > > > + status = "disabled";
> > > > > +};
> > > > > +
> > > > > +/* console */
> > > > > +&uart2 {
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_uart2>;
> > > > > + status = "okay";
> > > > > +};
> > > > > +
> > > > > +&usbotg1 {
> > > > > + dr_mode = "host";
> > > > > + disable-over-current;
> > > > > + status = "okay";
> > > > > +};
> > > > > +
> > > > > +/* microSD */
> > > > > +&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>;
> > > > > + cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
> > > > > + bus-width = <4>;
> > > > > + vmmc-supply = <®_3p3v>;
> > > > > + 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 IMX8MM_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-names = "default";
> > > > > + pinctrl-0 = <&pinctrl_hog>;
> > > > > +
> > > > > + pinctrl_hog: hoggrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x40000041 /* RS422# */
> > > > > + MX8MM_IOMUXC_GPIO1_IO11_GPIO1_IO11 0x40000041 /* RS485# */
> > > > > + MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x40000041 /* RS232# */
> > > > > + MX8MM_IOMUXC_SD1_DATA7_GPIO2_IO9 0x40000041 /* DIG1_IN */
> > > > > + MX8MM_IOMUXC_SD1_DATA6_GPIO2_IO8 0x40000041 /* DIG1_OUT */
> > > > > + MX8MM_IOMUXC_SD1_DATA4_GPIO2_IO6 0x40000041 /* DIG1_CTL */
> > > > > + MX8MM_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x40000041 /* PCI_WDIS# */
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_accel: accelgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x159
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_fec1: fec1grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_ENET_MDC_ENET1_MDC 0x3
> > > > > + MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3
> > > > > + MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
> > > > > + MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
> > > > > + MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
> > > > > + MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
> > > > > + MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91
> > > > > + MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
> > > > > + MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
> > > > > + MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
> > > > > + MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x0
> > > > > + MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91
> > > > > + MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
> > > > > + MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
> > > > > + MX8MM_IOMUXC_SAI2_TXFS_GPIO4_IO24 0x19 /* IRQ# */
> > > > > + MX8MM_IOMUXC_SAI2_TXC_GPIO4_IO25 0x19 /* RST# */
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_gsc: gscgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_SAI2_TXD0_GPIO4_IO26 0x159
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_i2c1: i2c1grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
> > > > > + MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_i2c1_gpio: i2c1gpiogrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c3
> > > > > + MX8MM_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c3
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_i2c2: i2c2grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3
> > > > > + MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001c3
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_i2c2_gpio: i2c2gpiogrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001c3
> > > > > + MX8MM_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001c3
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_i2c3: i2c3grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
> > > > > + MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_i2c3_gpio: i2c3gpiogrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001c3
> > > > > + MX8MM_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001c3
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_gpio_leds: gpioledgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x19
> > > > > + MX8MM_IOMUXC_SAI3_RXD_GPIO4_IO30 0x19
> > > > > + MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2 0x19
> > > > > + MX8MM_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x19
> > > > > + MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19
> > > > > + MX8MM_IOMUXC_SPDIF_TX_GPIO5_IO3 0x19
> > > > > + MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19
> > > > > + MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x19
> > > > > + MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13 0x19
> > > > > + MX8MM_IOMUXC_SAI3_TXFS_GPIO4_IO31 0x19
> > > > > + MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4 0x19
> > > > > + MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x19
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_pcie0: pciegrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_ECSPI2_MOSI_GPIO5_IO11 0x41
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_pmic: pmicgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_NAND_DATA02_GPIO3_IO8 0x41
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_uart2: uart2grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
> > > > > + MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc2: usdhc2grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
> > > > > + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
> > > > > + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
> > > > > + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
> > > > > + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
> > > > > + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
> > > > > + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> > > > > + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> > > > > + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> > > > > + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> > > > > + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
> > > > > + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
> > > > > + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
> > > > > + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
> > > > > + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
> > > > > + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x1c4
> > > > > + MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc3: usdhc3grp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
> > > > > + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
> > > > > + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
> > > > > + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> > > > > + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
> > > > > + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
> > > > > + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
> > > > > + >;
> > > > > + };
> > > > > +
> > > > > + pinctrl_wdog: wdoggrp {
> > > > > + fsl,pins = <
> > > > > + MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
> > > > > + >;
> > > > > + };
> > > > > +};
> > > > > --
> > > > > 2.25.1
> > > > >
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