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Message-ID: <CAJ+vNU0rwpoedAvPH5whLSXKHXX+jbsnAy1hKx_0To8KoMqBvA@mail.gmail.com>
Date: Tue, 3 Feb 2026 10:33:03 -0800
From: Tim Harvey <tharvey@...eworks.com>
To: Frank Li <Frank.li@....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 Mon, Feb 2, 2026 at 11:16 AM Frank Li <Frank.li@....com> wrote:
>
> On Mon, Feb 02, 2026 at 10:10:29AM -0800, Tim Harvey wrote:
> > The GW7906 is based on the i.MX8M Mini SoC featuring:
> > - LPDDR4 DRAM
> > - eMMC FLASH
> > - microSD connector with UHS support
> > - LIS2DE12 3-axis accelerometer
> > - Gateworks System Controller
> > - IMX8M FEC
> > - software selectable RS232/RS485/RS422 serial transceiver
> > - PMIC
> > - 1x isolated RS232 UART
> > - 1x off-board bi-directional opto-isolated digital I/O
> > - 1x M.2 A-E Key Socket and 1x MiniPCIe socket with USB2.0 and PCIe
> > (resistor loading to route PCIe/USB2 between M.2 and MiniPCIe socket)
> >
> > Signed-off-by: Tim Harvey <tharvey@...eworks.com>
> > ---
>
> Any difference with gateworks,imx8mm-gw7904? Can reuse existed file?
>
Hi Frank,
It has much more commonality with the gw7903 - I'll submit a v2 using
that as a base.
>
> > arch/arm64/boot/dts/freescale/Makefile | 1 +
> > .../dts/freescale/imx8mm-venice-gw7906.dts | 869 ++++++++++++++++++
> > 2 files changed, 870 insertions(+)
> > create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-venice-gw7906.dts
> >
> > 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)
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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