Commit bae9847e authored by Christoph Niedermaier's avatar Christoph Niedermaier Committed by Shawn Guo
Browse files

ARM: dts: imx6ull-dhcom: Add DHCOM based PicoITX board 



Add DT for DH PicoITX unit, which is a bare-bones carrier board for
the DHCOM. The board has ethernet port, USB, CAN, LED and a custom
board-to-board expansion connector. For this board a DHCOM i.MX6ULL
SoM configuration without WiFi/BT is used. The interface is used
for the SD card instead. Make this adjustment by using a separate DT
include file.

Signed-off-by: default avatarChristoph Niedermaier <cniedermaier@dh-electronics.com>
Reviewed-by: default avatarMarek Vasut <marex@denx.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 611b6c89

arch/arm/boot/dts/Makefile

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@@ -742,6 +742,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \ 
	imx6ull-colibri-wifi-iris.dtb \

	imx6ull-colibri-wifi-iris-v2.dtb \

	imx6ull-dhcom-pdk2.dtb \

	imx6ull-dhcom-picoitx.dtb \

	imx6ull-jozacp.dtb \

	imx6ull-kontron-bl.dtb \

	imx6ull-myir-mys-6ulx-eval.dtb \

arch/arm/boot/dts/imx6ull-dhcom-picoitx.dts

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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause

/*

 * Copyright (C) 2023 DH electronics GmbH

 *

 * DHCOM iMX6ULL variant:

 * DHCM-iMX6ULL-C080-R051-F0409-SPI-E2-CAN2-SD-RTC-ADC-I-01D2

 * DHCOR PCB number: 578-200 or newer

 * DHCOM PCB number: 579-200 or newer

 * PicoITX PCB number: 487-600 or newer

 */

/dts-v1/;



#include "imx6ull-dhcom-som.dtsi"

#include "imx6ull-dhcom-som-cfg-sdcard.dtsi"



/ {

	model = "DH electronics i.MX6ULL DHCOM on PicoITX";

	compatible = "dh,imx6ull-dhcom-picoitx", "dh,imx6ull-dhcom-som",

		     "dh,imx6ull-dhcor-som", "fsl,imx6ull";



	led {

		compatible = "gpio-leds";



		led-0 {

			color = <LED_COLOR_ID_YELLOW>;

			default-state = "off";

			function = LED_FUNCTION_INDICATOR;

			gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* GPIO I */

		};

	};

};



&fec1 {

	phy-handle = <&mdio1_phy0>;



	mdio {

		#address-cells = <1>;

		#size-cells = <0>;



		mdio1_phy0: ethernet-phy@0 {

			compatible = "ethernet-phy-id0007.c0f0", /* SMSC LAN8710Ai */

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

			reg = <0>;

			clock-names = "rmii-ref";

			clocks = <&clks IMX6UL_CLK_ENET_REF>;

			interrupt-parent = <&gpio5>;

			interrupts = <5 IRQ_TYPE_LEVEL_LOW>;

			pinctrl-0 = <&pinctrl_fec1_phy &pinctrl_snvs_fec1_phy>;

			pinctrl-names = "default";

			reset-assert-us = <500>;

			reset-deassert-us = <500>;

			reset-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>;

			smsc,disable-energy-detect; /* Make plugin detection reliable */

		};

	};

};



&fec2 {

	status = "disabled";

};



&gpio4 {

	gpio-line-names =

		"", "", "", "",

		"", "", "", "",

		"", "", "", "",

		"", "", "", "",

		"", "PicoITX-HW2", "PicoITX-HW1", "DHCOM-M",

		"PicoITX-HW0", "DHCOM-U", "DHCOM-T", "DHCOM-S",

		"DHCOM-R", "DHCOM-Q", "DHCOM-P", "DHCOM-O",

		"DHCOM-N", "", "", "";

};



&gpio5 {

	gpio-line-names =

		"DHCOM-A", "DHCOM-B", "PicoITX-In2", "PicoITX-Out2",

		"PicoITX-In1", "", "", "PicoITX-Out1",

		"DHCOM-G", "DHCOM-H", "", "",

		"", "", "", "",

		"", "", "", "",

		"", "", "", "",

		"", "", "", "",

		"", "", "", "";

};



&iomuxc {

	pinctrl_fec1: fec1-grp {

		fsl,pins = <

			MX6UL_PAD_GPIO1_IO07__ENET1_MDC		0x1b0b0

			MX6UL_PAD_GPIO1_IO06__ENET1_MDIO	0x1b0b0

			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0

			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0

			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0

			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0

			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b010

			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b010

			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b010

			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x4001b010

		>;

	};

};

arch/arm/boot/dts/imx6ull-dhcom-som-cfg-sdcard.dtsi

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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause

/*

 * Copyright (C) 2023 DH electronics GmbH

 */



/*

 * Special SoM configuration: SD card

 *

 * Enabled:  Micro SD card on module or

 *           external SD card via DHCOM depends on hardware variant

 *           GPIO H and GPIO I will be available

 *           DHCOM UART2 will be available

 * Disabled: WiFi and BT

 */



/*

 * To use usdhc1 as SD card, the WiFi node must be deleted.

 * BT is also not available, so remove BT from the UART node.

 */

/delete-node/ &brcmf;

/delete-node/ &bluetooth;



/ {

	aliases {

		mmc1 = &usdhc1;

		serial0 = &uart1;

		serial1 = &uart2;

		serial2 = &uart3;

		serial3 = &uart4;

		serial4 = &uart5;

		serial5 = &uart6;

	};



	reg_sd1_vmmc: regulator-sd1-vmmc {

		compatible = "regulator-fixed";

		regulator-max-microvolt = <3300000>;

		regulator-min-microvolt = <3300000>;

		regulator-name = "VSD_3V3";

	};

};



/* Micro SD card on module or external SD card via DHCOM */

&usdhc1 {

	/delete-property/ #address-cells;

	/delete-property/ #size-cells;

	/delete-property/ keep-power-in-suspend;

	/delete-property/ mmc-pwrseq;

	/delete-property/ non-removable;

	/delete-property/ wakeup-source;

	cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;

	no-1-8-v;

	pinctrl-0 = <&pinctrl_usdhc1>;

	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;

	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;

	pinctrl-names = "default", "state_100mhz", "state_200mhz";

	vmmc-supply = <&reg_sd1_vmmc>;

	status = "okay";

};



&iomuxc {

	pinctrl_usdhc1: usdhc1-grp {

		fsl,pins = <

			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x17059

			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10059

			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x17059

			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x17059

			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x17059

			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x17059

			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x120b0 /* SD1 CD */

		>;

	};



	pinctrl_usdhc1_100mhz: usdhc1-100mhz-grp {

		fsl,pins = <

			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x170b9

			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x100b9

			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x170b9

			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x170b9

			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x170b9

			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x170b9

			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x120b0 /* SD1 CD */



		>;

	};



	pinctrl_usdhc1_200mhz: usdhc1-200mhz-grp {

		fsl,pins = <

			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x170f9

			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x100f9

			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x170f9

			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x170f9

			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x170f9

			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x170f9

			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x120b0 /* SD1 CD */

		>;

	};

};