diff options
| author | Marek Vasut <marex@denx.de> | 2024-09-29 01:52:35 +0200 |
|---|---|---|
| committer | Fabio Estevam <festevam@gmail.com> | 2024-10-04 09:14:29 -0300 |
| commit | c93c40e7f6110efab69f00098f4810f52592b785 (patch) | |
| tree | 0e0b3805f5ba1553933e909fef612d4849e3ff67 /arch/arm/dts/imx8mp-dhcom-picoitx.dts | |
| parent | 00292c6b39b3f7dcb34e8c3ae6ef276ac862a146 (diff) | |
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.
Matching Linux kernel patch has been posted:
https://lore.kernel.org/imx/20240928234949.357893-2-marex@denx.de/
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Diffstat (limited to 'arch/arm/dts/imx8mp-dhcom-picoitx.dts')
| -rw-r--r-- | arch/arm/dts/imx8mp-dhcom-picoitx.dts | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/arm/dts/imx8mp-dhcom-picoitx.dts b/arch/arm/dts/imx8mp-dhcom-picoitx.dts new file mode 100644 index 00000000000..285aaa5b6c0 --- /dev/null +++ b/arch/arm/dts/imx8mp-dhcom-picoitx.dts @@ -0,0 +1,152 @@ +// 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 = <ðphy0f>; + 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>; +}; + +ðphy0g { /* Micrel KSZ9131RNXI */ + status = "disabled"; +}; + +ðphy0f { /* 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. */ +&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>; +}; |