Commit 8d671269 authored by Marek Vasut's avatar Marek Vasut Committed by Shawn Guo
Browse files

arm64: dts: imx8mp: Add support for DH electronics i.MX8M Plus DHCOM and PDK2 



Add support for DH electronics i.MX8M Plus DHCOM SoM on PDK2 carrier board.
Currently supported are serial console, EQoS and FEC ethernets, eMMC, SD,
SPI NOR, CAN.

Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: NXP Linux Team <linux-imx@nxp.com>
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 82cb8506

arch/arm64/boot/dts/freescale/Makefile

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@@ -79,6 +79,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb 
dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb

arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)

/*

 * Copyright (C) 2022 Marek Vasut <marex@denx.de>

 */



/dts-v1/;



#include <dt-bindings/leds/common.h>

#include <dt-bindings/net/qca-ar803x.h>

#include <dt-bindings/phy/phy-imx8-pcie.h>

#include "imx8mp-dhcom-som.dtsi"



/ {

	model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)";

	compatible = "dh,imx8mp-dhcom-pdk2", "fsl,imx8mp";



	chosen {

		stdout-path = &uart1;

	};



	gpio-keys {

		compatible = "gpio-keys";



		button-0 {

			gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */

			label = "TA1-GPIO-A";

			linux,code = <KEY_A>;

			pinctrl-0 = <&pinctrl_dhcom_a>;

			pinctrl-names = "default";

			wakeup-source;

		};



		button-1 {

			gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */

			label = "TA2-GPIO-B";

			linux,code = <KEY_B>;

			pinctrl-0 = <&pinctrl_dhcom_b>;

			pinctrl-names = "default";

			wakeup-source;

		};



		button-2 {

			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */

			label = "TA3-GPIO-C";

			linux,code = <KEY_C>;

			pinctrl-0 = <&pinctrl_dhcom_c>;

			pinctrl-names = "default";

			wakeup-source;

		};



		button-3 {

			gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */

			label = "TA4-GPIO-D";

			linux,code = <KEY_D>;

			pinctrl-0 = <&pinctrl_dhcom_d>;

			pinctrl-names = "default";

			wakeup-source;

		};

	};



	led {

		compatible = "gpio-leds";



		led-0 {

			color = <LED_COLOR_ID_GREEN>;

			default-state = "off";

			function = LED_FUNCTION_INDICATOR;

			gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */

			pinctrl-0 = <&pinctrl_dhcom_e>;

			pinctrl-names = "default";

		};



		led-1 {

			color = <LED_COLOR_ID_GREEN>;

			default-state = "off";

			function = LED_FUNCTION_INDICATOR;

			gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */

			pinctrl-0 = <&pinctrl_dhcom_f>;

			pinctrl-names = "default";

		};



		led-2 {

			color = <LED_COLOR_ID_GREEN>;

			default-state = "off";

			function = LED_FUNCTION_INDICATOR;

			gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */

			pinctrl-0 = <&pinctrl_dhcom_h>;

			pinctrl-names = "default";

		};



		led-3 {

			color = <LED_COLOR_ID_GREEN>;

			default-state = "off";

			function = LED_FUNCTION_INDICATOR;

			gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */

			pinctrl-0 = <&pinctrl_dhcom_i>;

			pinctrl-names = "default";

		};

	};

};



/*

 * PDK2 carrier board uses SoM with KSZ9131 populated and connected to

 * SoM EQoS ethernet RGMII interface. Remove the other SoM PHY DT node.

 */

/delete-node/ &ethphy0f;



/*

 * PDK2 carrier board has KSZ9021 PHY populated and connected to SoM FEC

 * ethernet RGMII interface. The SoM is not populated with second FEC PHY.

 */

/delete-node/ &ethphy1f;



&fec {	/* Second ethernet */

	phy-handle = <&ethphypdk>;



	mdio {

		ethphypdk: ethernet-phy@7 { /* KSZ 9021 */

			compatible = "ethernet-phy-ieee802.3-c22";

			pinctrl-0 = <&pinctrl_ethphy1>;

			pinctrl-names = "default";

			interrupt-parent = <&gpio4>;

			interrupts = <3 IRQ_TYPE_LEVEL_LOW>;

			max-speed = <100>;

			reg = <7>;

			reset-assert-us = <1000>;

			reset-deassert-us = <1000>;

			reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;

			rxc-skew-ps = <3000>;

			rxd0-skew-ps = <0>;

			rxd1-skew-ps = <0>;

			rxd2-skew-ps = <0>;

			rxd3-skew-ps = <0>;

			rxdv-skew-ps = <0>;

			txc-skew-ps = <3000>;

			txd0-skew-ps = <0>;

			txd1-skew-ps = <0>;

			txd2-skew-ps = <0>;

			txd3-skew-ps = <0>;

			txen-skew-ps = <0>;

		};

	};

};



&flexcan1 {

	status = "okay";

};



&usb3_1 {

	fsl,over-current-active-low;

};



&iomuxc {

	/*

	 * GPIO_A,B,C,D are connected to buttons.

	 * GPIO_E,F,H,I are connected to LEDs.

	 * GPIO_M is connected to CLKOUT2.

	 */

	pinctrl-0 = <&pinctrl_hog_base

		     &pinctrl_dhcom_g &pinctrl_dhcom_j

		     &pinctrl_dhcom_k &pinctrl_dhcom_l

		     &pinctrl_dhcom_int>;

};

arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi

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File added.

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