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

Add support for DH electronics i.MX8M Plus DHCOM SoM on PicoITX carrier board.
This system is populated with serial console, EQoS ethernet, eMMC, SD, SPI NOR,
LEDs and USB 3.0 host used in USB 2.0 mode on PicoITX.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Marek Vasut 2024-10-18 10:54:14 +08:00 committed by Shawn Guo
parent 4a4f35c6b7
commit 004ccf439d
2 changed files with 177 additions and 0 deletions
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1
arch/arm64/boot/dts/freescale/Makefile
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@ -172,6 +172,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-som-a-bmb-08.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-drc02.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk3.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-picoitx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-iota2-lumpy.dtb

176
arch/arm64/boot/dts/freescale/imx8mp-dhcom-picoitx.dts Normal file
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@ -0,0 +1,176 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2023-2024 Marek Vasut <marex@denx.de>
*
* DHCOM iMX8MP variant:
* DHCM-iMX8ML8-C160-R204-F1638-SPI16-E-SD-RTC-T-RGB-I-01D2
* DHCOM PCB number: 660-200 or newer
* PicoITX PCB number: 487-600 or newer
*/
/dts-v1/;
#include <dt-bindings/leds/common.h>
#include "imx8mp-dhcom-som.dtsi"
/ {
model = "DH electronics i.MX8M Plus DHCOM PicoITX";
compatible = "dh,imx8mp-dhcom-picoitx", "dh,imx8mp-dhcom-som",
"fsl,imx8mp";
chosen {
stdout-path = &uart1;
};
led {
compatible = "gpio-leds";
led-0 {
color = <LED_COLOR_ID_YELLOW>;
default-state = "off";
function = LED_FUNCTION_INDICATOR;
gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
pinctrl-0 = <&pinctrl_dhcom_i>;
pinctrl-names = "default";
};
};
};
&eqos { /* First ethernet */
pinctrl-0 = <&pinctrl_eqos_rmii>;
phy-handle = <&ethphy0f>;
phy-mode = "rmii";
assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>,
<&clk IMX8MP_SYS_PLL2_100M>,
<&clk IMX8MP_SYS_PLL2_50M>;
assigned-clock-rates = <0>, <100000000>, <50000000>;
};
&ethphy0g { /* Micrel KSZ9131RNXI */
status = "disabled";
};
&ethphy0f { /* SMSC LAN8740Ai */
status = "okay";
};
&fec {
status = "disabled";
};
&flexcan1 {
status = "okay";
};
&gpio1 {
gpio-line-names =
"DHCOM-G", "", "", "",
"", "DHCOM-I", "PicoITX-HW0", "PicoITX-HW2",
"DHCOM-B", "DHCOM-A", "", "DHCOM-H", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
};
&gpio2 {
gpio-line-names =
"", "", "", "", "", "", "", "",
"", "", "", "PicoITX-HW1", "", "", "", "",
"", "", "", "", "DHCOM-INT", "", "", "",
"", "", "", "", "", "", "", "";
};
&gpio4 {
gpio-line-names =
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "SOM-HW1", "", "", "", "",
"", "", "", "PicoITX-Out2", "", "", "", "";
};
&gpio5 {
gpio-line-names =
"", "", "PicoITX-In2", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "",
"", "", "PicoITX-In1", "PicoITX-Out1",
"", "", "", "", "", "", "", "";
};
/* No HS connector on this SoM variant, so no HDMI, PCIe and only USB HS. */
&hdmi_blk_ctrl {
status = "disabled";
};
&hdmi_pvi {
status = "disabled";
};
&hdmi_tx {
status = "disabled";
};
&hdmi_tx_phy {
status = "disabled";
};
&irqsteer_hdmi {
status = "disabled";
};
&lcdif3 {
status = "disabled";
};
&pcie_phy {
status = "disabled";
};
&pcie {
status = "disabled";
};
/* No WiFi/BT chipset on this SoM variant. */
&uart2 {
bluetooth {
status = "disabled";
};
};
/* USB_OTG port is not routed out on PicoITX. */
&usb3_0 {
status = "disabled";
};
&usb_dwc3_0 {
status = "disabled";
};
&usb3_1 {
fsl,over-current-active-low;
};
&usb_dwc3_1 {
dr_mode = "host";
maximum-speed = "high-speed";
};
/* No WiFi/BT chipset on this SoM variant. */
&usdhc1 {
status = "disabled";
};
&iomuxc {
/*
* The following DHCOM GPIOs are used on this board.
* Therefore, they have been removed from the list below.
* I: yellow led
*/
pinctrl-0 = <&pinctrl_dhcom_a &pinctrl_dhcom_b &pinctrl_dhcom_c
&pinctrl_dhcom_d &pinctrl_dhcom_e &pinctrl_dhcom_f
&pinctrl_dhcom_g &pinctrl_dhcom_h &pinctrl_dhcom_j
&pinctrl_dhcom_k &pinctrl_dhcom_l &pinctrl_dhcom_m
&pinctrl_dhcom_n &pinctrl_dhcom_o &pinctrl_dhcom_p
&pinctrl_dhcom_q &pinctrl_dhcom_r &pinctrl_dhcom_s
&pinctrl_dhcom_int>;
};