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arm64: dts: imx8mp pollux: add expansion board overlay
An expansion board (PEB-AV-10) may be connected to the imx8mp-phyboard-pollux. Its main purpose is to provide multimedia interfaces, featuring a 3.5mm headphone jack, a USB-A port and LVDS as well as backlight connectors. Introduce the expansion board as dtsi, as it may be used standalone as an expansion board, as well as in combination with display panels. These display panels will include the dtsi. Reviewed-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Yannic Moog <y.moog@phytec.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Yannic Moog
@@ -228,10 +228,13 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-nitrogen-smarc-universal-board.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
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imx8mp-phyboard-pollux-etml1010g3dra-dtbs += imx8mp-phyboard-pollux-rdk.dtb \
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imx8mp-phyboard-pollux-etml1010g3dra.dtbo
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imx8mp-phyboard-pollux-peb-av-10-dtbs += imx8mp-phyboard-pollux-rdk.dtb \
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imx8mp-phyboard-pollux-peb-av-10.dtbo
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imx8mp-phyboard-pollux-ph128800t006-dtbs += imx8mp-phyboard-pollux-rdk.dtb \
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imx8mp-phyboard-pollux-ph128800t006.dtbo
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imx8mp-phyboard-pollux-rdk-no-eth-dtbs += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phycore-no-eth.dtbo
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-etml1010g3dra.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-peb-av-10.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-ph128800t006.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk-no-eth.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-prt8ml.dtb
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@@ -0,0 +1,198 @@
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (C) 2025 PHYTEC Messtechnik GmbH
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*/
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#include <dt-bindings/clock/imx8mp-clock.h>
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#include <dt-bindings/gpio/gpio.h>
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#include "imx8mp-pinfunc.h"
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&{/} {
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backlight_lvds0: backlight0 {
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compatible = "pwm-backlight";
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pinctrl-0 = <&pinctrl_lvds0>;
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pinctrl-names = "default";
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power-supply = <®_vcc_12v>;
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status = "disabled";
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};
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panel_lvds0: panel-lvds0 {
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backlight = <&backlight_lvds0>;
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power-supply = <®_vcc_3v3_sw>;
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status = "disabled";
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port {
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panel0_in: endpoint {
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remote-endpoint = <&ldb_lvds_ch0>;
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};
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};
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};
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reg_vcc_12v: regulator-12v {
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-boot-on;
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regulator-max-microvolt = <12000000>;
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regulator-min-microvolt = <12000000>;
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regulator-name = "VCC_12V";
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};
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reg_vcc_1v8_audio: regulator-1v8 {
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-boot-on;
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regulator-max-microvolt = <1800000>;
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regulator-min-microvolt = <1800000>;
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regulator-name = "VCC_1V8_Audio";
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};
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reg_vcc_3v3_analog: regulator-3v3 {
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-boot-on;
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regulator-max-microvolt = <3300000>;
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regulator-min-microvolt = <3300000>;
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regulator-name = "VCC_3V3_Analog";
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};
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sound {
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compatible = "simple-audio-card";
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simple-audio-card,name = "snd-peb-av-10";
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simple-audio-card,format = "i2s";
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simple-audio-card,bitclock-master = <&dailink_master>;
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simple-audio-card,frame-master = <&dailink_master>;
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simple-audio-card,mclk-fs = <32>;
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simple-audio-card,widgets =
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"Line", "Line In",
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"Speaker", "Speaker",
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"Microphone", "Microphone Jack",
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"Headphone", "Headphone Jack";
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simple-audio-card,routing =
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"Speaker", "SPOP",
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"Speaker", "SPOM",
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"Headphone Jack", "HPLOUT",
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"Headphone Jack", "HPROUT",
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"LINE1L", "Line In",
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"LINE1R", "Line In",
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"MIC3R", "Microphone Jack",
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"Microphone Jack", "Mic Bias";
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simple-audio-card,cpu {
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sound-dai = <&sai2>;
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};
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dailink_master: simple-audio-card,codec {
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sound-dai = <&codec>;
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clocks = <&clk IMX8MP_CLK_SAI2>;
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};
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};
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};
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&i2c4 {
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clock-frequency = <400000>;
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pinctrl-0 = <&pinctrl_i2c4>;
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pinctrl-1 = <&pinctrl_i2c4_gpio>;
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pinctrl-names = "default", "gpio";
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scl-gpios = <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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sda-gpios = <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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codec: codec@18 {
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compatible = "ti,tlv320aic3007";
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reg = <0x18>;
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pinctrl-0 = <&pinctrl_tlv320>;
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pinctrl-names = "default";
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#sound-dai-cells = <0>;
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reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;
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ai3x-gpio-func = <0xd 0x0>;
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ai3x-micbias-vg = <2>;
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AVDD-supply = <®_vcc_3v3_analog>;
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DRVDD-supply = <®_vcc_3v3_analog>;
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DVDD-supply = <®_vcc_1v8_audio>;
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IOVDD-supply = <®_vcc_3v3_sw>;
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};
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eeprom@57 {
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compatible = "atmel,24c32";
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reg = <0x57>;
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pagesize = <32>;
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vcc-supply = <®_vcc_3v3_sw>;
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};
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};
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&ldb_lvds_ch0 {
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remote-endpoint = <&panel0_in>;
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};
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&pwm4 {
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pinctrl-0 = <&pinctrl_pwm4>;
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pinctrl-names = "default";
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};
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&sai2 {
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pinctrl-0 = <&pinctrl_sai2>;
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pinctrl-names = "default";
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assigned-clocks = <&clk IMX8MP_CLK_SAI2>;
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assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
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assigned-clock-rates = <12288000>;
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clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI2_IPG>,
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<&clk IMX8MP_CLK_DUMMY>,
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<&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI2_MCLK1>,
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<&clk IMX8MP_CLK_DUMMY>,
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<&clk IMX8MP_CLK_DUMMY>,
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<&clk IMX8MP_AUDIO_PLL1_OUT>,
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<&clk IMX8MP_AUDIO_PLL2_OUT>;
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clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k",
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"pll11k";
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#sound-dai-cells = <0>;
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fsl,sai-mclk-direction-output;
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fsl,sai-synchronous-rx;
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status = "okay";
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};
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&iomuxc {
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pinctrl_i2c4: i2c4grp {
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fsl,pins = <
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MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c2
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MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c2
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>;
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};
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pinctrl_i2c4_gpio: i2c4gpiogrp {
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fsl,pins = <
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MX8MP_IOMUXC_I2C4_SCL__GPIO5_IO20 0x1e2
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MX8MP_IOMUXC_I2C4_SDA__GPIO5_IO21 0x1e2
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>;
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};
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pinctrl_lvds0: lvds0grp {
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fsl,pins = <
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MX8MP_IOMUXC_SAI3_TXD__GPIO5_IO01 0x12
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>;
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};
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pinctrl_pwm4: pwm4grp {
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fsl,pins = <
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MX8MP_IOMUXC_SAI3_MCLK__PWM4_OUT 0x12
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>;
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};
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pinctrl_sai2: sai2grp {
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fsl,pins = <
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MX8MP_IOMUXC_SAI2_MCLK__AUDIOMIX_SAI2_MCLK 0xd6
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MX8MP_IOMUXC_SAI2_RXFS__AUDIOMIX_SAI2_RX_SYNC 0xd6
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MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK 0xd6
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MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00 0xd6
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MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI2_RX_DATA00 0xd6
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>;
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};
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pinctrl_tlv320: tlv320grp {
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fsl,pins = <
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MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x16
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MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x16
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>;
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};
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};
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@@ -0,0 +1,9 @@
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (C) 2025 PHYTEC Messtechnik GmbH
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*/
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/dts-v1/;
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/plugin/;
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#include "imx8mp-phyboard-pollux-peb-av-10.dtsi"
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