Draft: WIP Kontron i.MX8MM/MP OSM-S Devicetree Improvements

CC: @akobou

arch/arm64/boot/dts/freescale/imx8mp-kontron-smarc-eval-carrier.dts

+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Kontron Electronics GmbH
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include "imx8mp-kontron-smarc.dtsi"
+
+/ {
+	model = "Kontron SMARC Eval Carrier with i.MX8MP";
+	compatible = "kontron,imx8mp-smarc-eval-carrier", "kontron,imx8mp-smarc", "kontron,imx8mp-osm-s", "fsl,imx8mp";
+
+	// backlight: backlight {
+	// 	compatible = "pwm-backlight";
+	// 	pwms = <&pwm1 0 50000 0>;
+	// 	brightness-levels = <0 100>;
+	// 	num-interpolated-steps = <100>;
+	// 	default-brightness-level = <100>;
+	// 	enable-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
+	// };
+
+	// sound {
+	// 	compatible = "fsl,imx-audio-wm8904";
+	// 	model = "imx-wm8904";
+	// 	sai-controllers = <&sai3>;
+	// 	audio-codec = <&wm8904>;
+	// 	audio-routing =
+	// 		"Line Out Jack", "LINEOUTR",
+	// 		"Line Out Jack", "LINEOUTL",
+	// 		"Headphone Jack", "HPOUTR",
+	// 		"Headphone Jack", "HPOUTL",
+	// 		"IN1L", "Line In Jack",
+	// 		"IN1R", "Line In Jack",
+	// 		"Mic Jack", "MICBIAS",
+	// 		"IN2L", "Mic Jack",
+	// 		"IN2R", "Mic Jack";
+	// };
+
+	/*
+	pcie0_refclk: pcie0-refclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+	};
+	*/
+};
+
+// &ecspi1 {
+// 	status = "okay";
+
+// 	flash@0 {
+// 		compatible = "jedec,spi-nor";
+// 		reg = <0>;
+// 	};
+// };
+
+// &ecspi2 {
+// 	status = "okay";
+// };
+
+&eqos {
+	status = "okay";
+};
+
+&fec {
+	status = "okay";
+};
+
+// &flexcan1 {
+// 	status = "okay";
+// };
+
+// &flexcan2 {
+// 	status = "okay";
+// };
+
+// &hdmi_pvi {
+// 	status = "okay";
+// };
+
+// &hdmi_tx {
+// 	pinctrl-names = "default";
+// 	pinctrl-0 = <&pinctrl_hdmi>;
+// 	ddc-i2c-bus = <&i2c3>;
+// 	status = "okay";
+// };
+
+// &hdmi_tx_phy {
+// 	status = "okay";
+// };
+
+// &i2c1 {
+// 	status = "okay";
+// };
+
+// &i2c2 {
+// 	status = "okay";
+
+// 	wm8904: wm8904@1a {
+// 		compatible = "wlf,wm8904";
+// 		reg = <0x1a>;
+// 		clock-names = "mclk";
+// 		clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI3_MCLK1>;
+// 		//assigned-clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI3_MCLK1>;
+// 		//assigned-clock-rates = <1250000>;
+// 	};
+
+// 	carrier_gpio2: tca9554@20 {
+// 		compatible = "nxp,pca9554";
+// 		reg = <0x20>;
+// 		gpio-controller;
+// 		#gpio-cells = <2>;
+// 		status = "okay";
+// 	};
+// };
+
+// &i2c4 {
+// 	status = "okay";
+// };
+
+// &pcie_phy {
+// 	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
+// 	//fsl,clkreq-unsupported;
+// 	/*
+// 	 * SMARC Carrier has PCIe Clock Buffer 9DBV0231!
+// 	 * TODO: Find out how to describe it.
+// 	 */
+// 	//clocks = <&pcie0_refclk>;
+// 	clock-names = "ref";
+// 	//status = "okay";
+// };
+
+// &pcie {
+// 	pinctrl-names = "default";
+// 	pinctrl-0 = <&pinctrl_pcie>;
+// 	reset-gpio = <&gpio3 2 GPIO_ACTIVE_LOW>;
+// 	//status = "okay";
+// };
+
+// &pwm1 {
+// 	status = "okay";
+// };
+
+// &pwm3 {
+// 	status = "okay";
+// };
+
+// &sai3 {
+// 	status = "okay";
+// };
+
+// &uart1 {
+// 	uart-has-rtscts;
+// 	status = "okay";
+// };
+
+// &uart2 {
+// 	status = "okay";
+// };
+
+// &uart4 {
+// 	uart-has-rtscts;
+// 	status = "okay";
+// };
+
+// &usb_dwc3_0 {
+// 	adp-disable;
+// 	hnp-disable;
+// 	srp-disable;
+
+// 	dr_mode = "otg";
+// 	usb-role-switch;
+// 	status = "okay";
+
+// 	connector {
+// 		compatible = "gpio-usb-b-connector", "usb-b-connector";
+// 		pinctrl-names = "default";
+// 		pinctrl-0 = <&pinctrl_usb1_id>;
+// 		id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+// 		type = "micro";
+// 		vbus-supply = <&reg_usb1_vbus>;
+// 	};
+// };
+
+// &usb_dwc3_1 {
+// 	status = "okay";
+// };
+
+// &usb3_0 {
+// 	status = "okay";
+// };
+
+// &usb3_1 {
+// 	status = "okay";
+// };
+
+// &usb3_phy0 {
+// 	status = "okay";
+// };
+
+// &usb3_phy1 {
+// 	status = "okay";
+// };
+
+&usdhc2 {
+	vmmc-supply = <&reg_vdd_3v3>;
+	status = "okay";
+};