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Message-ID: <ZvLWP62Gw0nygxaF@lizhi-Precision-Tower-5810>
Date: Tue, 24 Sep 2024 11:09:51 -0400
From: Frank Li <Frank.li@....com>
To: Francesco Dolcini <francesco@...cini.it>
Cc: Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
João Paulo Gonçalves <joao.goncalves@...adex.com>,
imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Francesco Dolcini <francesco.dolcini@...adex.com>
Subject: Re: [PATCH v1 3/3] arm64: dts: freescale: imx8mp-verdin: Add Ivy
carrier board
On Tue, Sep 24, 2024 at 01:40:53PM +0200, Francesco Dolcini wrote:
> From: João Paulo Gonçalves <joao.goncalves@...adex.com>
>
> Add Toradex Verdin Ivy carrier board support. One notable feature of Ivy
> is the analog inputs. These inputs are multiplexed, allowing the same
> input to measure either voltage or current. For current measurements,
> a GPIO switch enables or disables the shunt resistor. This process is
> automatically managed by the Linux kernel using the IIO and MUX
> subsystems. Voltage measurement is always enabled, but the voltage
> measured by the ADC is scaled by a cascade voltage divider. In the
> device tree, the equivalent gain of the voltage divider is used, which
> can be calculated as follows:
>
> ------------
> + |
> .-.
> R1=30K | |
> | |
> '-'
> |-------------------
> Analog Input (AIN) | |
> .-. .-.
> R2=10K | | R3=30K | |
> | | | |
> '-' '-'
> | |
> | |--------
> | .-. +
> | R4=10K | |
> | | | ADC Input (Channels 0 and 1)
> | '-'
> - | | -
> -----------| |--------
> === ===
> GND GND
>
> Vin = Analog Input (AIN)
> Vout = ADC Input
> Rth = Thevenin Equiv. Resistance
> Vth = Thevenin Equiv. Voltage
> RL = Load Resistor
>
> R1 = 30K, R2 = 10K, R3 = 30K, R4 = 10K
> RL = R4 = 10K
>
> Rth = (R1 // R2) + R3 = 37500 Ohms
> Vth = (Vin * R2) / (R1 + R2) = Vin/4;
> Vout = (Vth * RL)/ (Rth + RL) = Vth/4.75 = Vin/19
> Gain = Vout/Vin = 1/19
which properties related these value?
Frank
>
> https://www.toradex.com/products/carrier-board/ivy-carrier-board
>
> Signed-off-by: João Paulo Gonçalves <joao.goncalves@...adex.com>
> Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 2 +
> .../boot/dts/freescale/imx8mp-verdin-ivy.dtsi | 512 ++++++++++++++++++
> .../freescale/imx8mp-verdin-nonwifi-ivy.dts | 18 +
> .../dts/freescale/imx8mp-verdin-wifi-ivy.dts | 18 +
> 4 files changed, 550 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-ivy.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi-ivy.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi-ivy.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 9d3df8b218a2..349ff1af0361 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -189,10 +189,12 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw74xx.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw75xx-2x.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-dahlia.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-dev.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-ivy.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-mallow.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-yavia.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-dahlia.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-dev.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-ivy.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-mallow.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-yavia.dtb
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-ivy.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin-ivy.dtsi
> new file mode 100644
> index 000000000000..db1b4ee7728c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-ivy.dtsi
> @@ -0,0 +1,512 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2024 Toradex
> + *
> + * Common dtsi for Verdin IMX8MP SoM on Ivy carrier board
> + *
> + * https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx-8m-plus
> + * https://www.toradex.com/products/carrier-board/ivy-carrier-board
> + */
> +
> +#include <dt-bindings/mux/mux.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/net/ti-dp83867.h>
> +
> +/ {
> + /* AIN1 Voltage w/o AIN1_MODE gpio control */
> + ain1_voltage_unmanaged: voltage-divider-ain1 {
> + compatible = "voltage-divider";
> + #io-channel-cells = <1>;
> + io-channels = <&ivy_adc1 0>;
> + full-ohms = <19>;
> + output-ohms = <1>;
> + };
> +
> + /* AIN1 Current w/o AIN1_MODE gpio control */
> + ain1_current_unmanaged: current-sense-shunt-ain1 {
> + compatible = "current-sense-shunt";
> + #io-channel-cells = <0>;
> + io-channels = <&ivy_adc1 1>;
> + shunt-resistor-micro-ohms = <100000000>;
> + };
Suggest you use https://github.com/lznuaa/dt-format
to sort nodes.
Any problem, let me know.
Frank
> +
> + /* AIN1_MODE - SODIMM 216 */
> + ain1_mode_mux_ctrl: mux-controller-0 {
> + compatible = "gpio-mux";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio5>;
> + #mux-control-cells = <0>;
> + mux-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
> + };
> +
> + ain1-voltage {
> + compatible = "io-channel-mux";
> + channels = "ain1_voltage", "";
> + io-channels = <&ain1_voltage_unmanaged 0>;
> + io-channel-names = "parent";
> + mux-controls = <&ain1_mode_mux_ctrl>;
> + settle-time-us = <1000>;
> + };
> +
> + ain1-current {
> + compatible = "io-channel-mux";
> + channels = "", "ain1_current";
> + io-channels = <&ain1_current_unmanaged>;
> + io-channel-names = "parent";
> + mux-controls = <&ain1_mode_mux_ctrl>;
> + settle-time-us = <1000>;
> + };
> +
> + /* AIN2 Voltage w/o AIN2_MODE gpio control */
> + ain2_voltage_unmanaged: voltage-divider-ain2 {
> + compatible = "voltage-divider";
> + #io-channel-cells = <1>;
> + io-channels = <&ivy_adc2 0>;
> + full-ohms = <19>;
> + output-ohms = <1>;
> + };
> +
> + /* AIN2 Current w/o AIN2_MODE gpio control */
> + ain2_current_unmanaged: current-sense-shunt-ain2 {
> + compatible = "current-sense-shunt";
> + #io-channel-cells = <0>;
> + io-channels = <&ivy_adc2 1>;
> + shunt-resistor-micro-ohms = <100000000>;
> + };
> +
> + /* AIN2_MODE - SODIMM 218 */
> + ain2_mode_mux_ctrl: mux-controller-1 {
> + compatible = "gpio-mux";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio6>;
> + #mux-control-cells = <0>;
> + mux-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> + };
> +
> + ain2-voltage {
> + compatible = "io-channel-mux";
> + channels = "ain2_voltage", "";
> + io-channels = <&ain2_voltage_unmanaged 0>;
> + io-channel-names = "parent";
> + mux-controls = <&ain2_mode_mux_ctrl>;
> + settle-time-us = <1000>;
> + };
> +
> + ain2-current {
> + compatible = "io-channel-mux";
> + channels = "", "ain2_current";
> + io-channels = <&ain2_current_unmanaged>;
> + io-channel-names = "parent";
> + mux-controls = <&ain2_mode_mux_ctrl>;
> + settle-time-us = <1000>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ivy_leds>;
> +
> + /* D7 Blue - SODIMM 30 - LEDs.GPIO1 */
> + led-0 {
> + color = <LED_COLOR_ID_BLUE>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <1>;
> + gpios = <&gpio3 25 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D7 Green - SODIMM 32 - LEDs.GPIO2 */
> + led-1 {
> + color = <LED_COLOR_ID_GREEN>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <1>;
> + gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D7 Red - SODIMM 34 - LEDs.GPIO3 */
> + led-2 {
> + color = <LED_COLOR_ID_RED>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <1>;
> + gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D8 Blue - SODIMM 36 - LEDs.GPIO4 */
> + led-3 {
> + color = <LED_COLOR_ID_BLUE>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <2>;
> + gpios = <&gpio4 2 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D8 Green - SODIMM 54 - LEDs.GPIO5 */
> + led-4 {
> + color = <LED_COLOR_ID_GREEN>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <2>;
> + gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D8 Red - SODIMM 44 - LEDs.GPIO6 */
> + led-5 {
> + color = <LED_COLOR_ID_RED>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <2>;
> + gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D9 Blue - SODIMM 46 - LEDs.GPIO7 */
> + led-6 {
> + color = <LED_COLOR_ID_BLUE>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <3>;
> + gpios = <&gpio5 01 GPIO_ACTIVE_HIGH>;
> + };
> +
> + /* D9 Red - SODIMM 48 - LEDs.GPIO8 */
> + led-7 {
> + color = <LED_COLOR_ID_RED>;
> + default-state = "off";
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <3>;
> + gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;
> + };
> + };
> +
> + reg_3v2_ain1: regulator-3v2-ain1 {
> + compatible = "regulator-fixed";
> + regulator-max-microvolt = <3200000>;
> + regulator-min-microvolt = <3200000>;
> + regulator-name = "+3V2_AIN1";
> + };
> +
> + reg_3v2_ain2: regulator-3v2-ain2 {
> + compatible = "regulator-fixed";
> + regulator-max-microvolt = <3200000>;
> + regulator-min-microvolt = <3200000>;
> + regulator-name = "+3V2_AIN2";
> + };
> +
> + /* Ivy Power Supply Input Voltage */
> + ivy-input-voltage {
> + compatible = "voltage-divider";
> + /* Verdin ADC_1 */
> + io-channels = <&verdin_som_adc 7>;
> + full-ohms = <204700>; /* 200k + 4.7k */
> + output-ohms = <4700>;
> + };
> +
> + ivy-5v-voltage {
> + compatible = "voltage-divider";
> + /* Verdin ADC_2 */
> + io-channels = <&verdin_som_adc 6>;
> + full-ohms = <39000>; /* 27k + 12k */
> + output-ohms = <12000>;
> + };
> +
> + ivy-3v3-voltage {
> + compatible = "voltage-divider";
> + /* Verdin ADC_3 */
> + io-channels = <&verdin_som_adc 5>;
> + full-ohms = <54000>; /* 27k + 27k */
> + output-ohms = <27000>;
> + };
> +
> + ivy-1v8-voltage {
> + compatible = "voltage-divider";
> + /* Verdin ADC_4 */
> + io-channels = <&verdin_som_adc 4>;
> + full-ohms = <39000>; /* 12k + 27k */
> + output-ohms = <27000>;
> + };
> +};
> +
> +/* Verdin SPI_1 */
> +&ecspi1 {
> + pinctrl-0 = <&pinctrl_ecspi1>,
> + <&pinctrl_gpio1>,
> + <&pinctrl_gpio4>;
> + cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>,
> + <&gpio1 0 GPIO_ACTIVE_LOW>,
> + <&gpio1 6 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +
> + tpm@1 {
> + compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
> + reg = <1>;
> + spi-max-frequency = <18500000>;
> + };
> +
> + fram@2 {
> + compatible = "fujitsu,mb85rs256", "atmel,at25";
> + reg = <2>;
> + address-width = <16>;
> + size = <32768>;
> + spi-max-frequency = <33000000>;
> + pagesize = <1>;
> + };
> +};
> +
> +/* EEPROM on Ivy */
> +&eeprom_carrier_board {
> + status = "okay";
> +};
> +
> +/* Verdin ETH_1 */
> +&eqos {
> + status = "okay";
> +};
> +
> +/* Verdin ETH_2 */
> +&fec {
> + phy-handle = <ðphy2>;
> + phy-mode = "rgmii-id";
> + status = "okay";
> +};
> +
> +&verdin_eth2_mdio {
> + ethphy2: ethernet-phy@2 {
> + reg = <2>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
> + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> + ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> + };
> +};
> +
> +/* Verdin CAN_1 */
> +&flexcan1 {
> + status = "okay";
> +};
> +
> +/* Verdin CAN_2 */
> +&flexcan2 {
> + status = "okay";
> +};
> +
> +&gpio1 {
> + gpio-line-names =
> + "", /* 0 */
> + "GPIO2", /* Verdin GPIO_2 - SODIMM 208 */
> + "",
> + "",
> + "",
> + "GPIO3", /* Verdin GPIO_3 - SODIMM 210 */
> + "",
> + "",
> + "",
> + "",
> + "",
> + "", /* 10 */
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "", /* 20 */
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "";
> +};
> +
> +&gpio3 {
> + gpio-line-names =
> + "", /* 0 */
> + "",
> + "",
> + "",
> + "",
> + "",
> + "DIG_1", /* SODIMM 56 */
> + "DIG_2", /* SODIMM 58 */
> + "REL1", /* SODIMM 60 */
> + "REL2", /* SODIMM 62 */
> + "", /* 10 */
> + "",
> + "",
> + "",
> + "REL4", /* SODIMM 66 */
> + "",
> + "REL3", /* SODIMM 64 */
> + "",
> + "",
> + "",
> + "", /* 20 */
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "";
> +};
> +
> +/* Temperature sensor on Ivy */
> +&hwmon_temp {
> + compatible = "ti,tmp1075";
> + status = "okay";
> +};
> +
> +/* Verdin I2C_4 CSI */
> +&i2c3 {
> + status = "okay";
> +
> + ivy_adc1: adc@40 {
> + compatible = "ti,ads1119";
> + reg = <0x40>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio7>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
> + avdd-supply = <®_3v2_ain1>;
> + dvdd-supply = <®_3v2_ain1>;
> + vref-supply = <®_3v2_ain1>;
> + #address-cells = <1>;
> + #io-channel-cells = <1>;
> + #size-cells = <0>;
> +
> + /* AIN1 0-33V Voltage Input */
> + channel@0 {
> + reg = <0>;
> + diff-channels = <0 1>;
> + };
> +
> + /* AIN1 0-20mA Current Input */
> + channel@1 {
> + reg = <1>;
> + diff-channels = <2 3>;
> + };
> + };
> +
> + ivy_adc2: adc@41 {
> + compatible = "ti,ads1119";
> + reg = <0x41>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio8>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
> + avdd-supply = <®_3v2_ain2>;
> + dvdd-supply = <®_3v2_ain2>;
> + vref-supply = <®_3v2_ain2>;
> + #address-cells = <1>;
> + #io-channel-cells = <1>;
> + #size-cells = <0>;
> +
> + /* AIN2 0-33V Voltage Input */
> + channel@0 {
> + reg = <0>;
> + diff-channels = <0 1>;
> + };
> +
> + /* AIN2 0-20mA Current Input */
> + channel@1 {
> + reg = <1>;
> + diff-channels = <2 3>;
> + };
> + };
> +};
> +
> +/* Verdin I2C_1 */
> +&i2c4 {
> + status = "okay";
> +};
> +
> +/* Verdin PCIE_1 */
> +&pcie {
> + status = "okay";
> +};
> +
> +&pcie_phy {
> + status = "okay";
> +};
> +
> +/* Verdin UART_1 */
> +&uart1 {
> + status = "okay";
> +};
> +
> +/* Verdin UART_2 */
> +&uart2 {
> + linux,rs485-enabled-at-boot-time;
> + rs485-rx-during-tx;
> + status = "okay";
> +};
> +
> +/* Verdin UART_3 */
> +&uart3 {
> + status = "okay";
> +};
> +
> +/* Verdin USB_1 */
> +&usb3_0 {
> + status = "okay";
> +};
> +
> +&usb3_phy0 {
> + status = "okay";
> +};
> +
> +/* Verdin USB_2 */
> +&usb3_1 {
> + status = "okay";
> +};
> +
> +&usb3_phy1 {
> + status = "okay";
> +};
> +
> +/* Verdin SD_1 */
> +&usdhc2 {
> + status = "okay";
> +};
> +
> +&iomuxc {
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio2>, <&pinctrl_gpio3>,
> + <&pinctrl_ivy_dig_inputs>, <&pinctrl_ivy_relays>;
> +
> + pinctrl_ivy_dig_inputs: ivydiginputsgrp {
> + fsl,pins =
> + <MX8MP_IOMUXC_NAND_DATA00__GPIO3_IO06 0x96>, /* SODIMM 56 */
> + <MX8MP_IOMUXC_NAND_DATA01__GPIO3_IO07 0x96>; /* SODIMM 58 */
> + };
> +
> + pinctrl_ivy_leds: ivyledsgrp {
> + fsl,pins =
> + <MX8MP_IOMUXC_SAI5_MCLK__GPIO3_IO25 0x16>, /* SODIMM 30 */
> + <MX8MP_IOMUXC_SAI5_RXD1__GPIO3_IO22 0x16>, /* SODIMM 32 */
> + <MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19 0x16>, /* SODIMM 34 */
> + <MX8MP_IOMUXC_SAI1_RXD0__GPIO4_IO02 0x16>, /* SODIMM 36 */
> + <MX8MP_IOMUXC_SAI3_TXFS__GPIO4_IO31 0x16>, /* SODIMM 44 */
> + <MX8MP_IOMUXC_SAI3_TXD__GPIO5_IO01 0x16>, /* SODIMM 46 */
> + <MX8MP_IOMUXC_SAI3_RXD__GPIO4_IO30 0x16>, /* SODIMM 48 */
> + <MX8MP_IOMUXC_NAND_CE0_B__GPIO3_IO01 0x16>; /* SODIMM 54 */
> + };
> +
> + pinctrl_ivy_relays: ivyrelaysgrp {
> + fsl,pins =
> + <MX8MP_IOMUXC_NAND_DATA02__GPIO3_IO08 0x16>, /* SODIMM 60 */
> + <MX8MP_IOMUXC_NAND_DATA03__GPIO3_IO09 0x16>, /* SODIMM 62 */
> + <MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x16>, /* SODIMM 64 */
> + <MX8MP_IOMUXC_NAND_DQS__GPIO3_IO14 0x16>; /* SODIMM 66 */
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi-ivy.dts b/arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi-ivy.dts
> new file mode 100644
> index 000000000000..cb49690050ff
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi-ivy.dts
> @@ -0,0 +1,18 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2024 Toradex
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mp-verdin.dtsi"
> +#include "imx8mp-verdin-nonwifi.dtsi"
> +#include "imx8mp-verdin-ivy.dtsi"
> +
> +/ {
> + model = "Toradex Verdin iMX8M Plus on Ivy";
> + compatible = "toradex,verdin-imx8mp-nonwifi-ivy",
> + "toradex,verdin-imx8mp-nonwifi",
> + "toradex,verdin-imx8mp",
> + "fsl,imx8mp";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi-ivy.dts b/arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi-ivy.dts
> new file mode 100644
> index 000000000000..22b8fe70b36d
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi-ivy.dts
> @@ -0,0 +1,18 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2024 Toradex
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mp-verdin.dtsi"
> +#include "imx8mp-verdin-wifi.dtsi"
> +#include "imx8mp-verdin-ivy.dtsi"
> +
> +/ {
> + model = "Toradex Verdin iMX8M Plus WB on Ivy";
> + compatible = "toradex,verdin-imx8mp-wifi-ivy",
> + "toradex,verdin-imx8mp-wifi",
> + "toradex,verdin-imx8mp",
> + "fsl,imx8mp";
> +};
> --
> 2.39.5
>
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