board: gateworks: venice: add imx8mp-gw7905-2x support

The Gateworks imx8mp-venice-gw7905-2x consists of a SOM + baseboard.

The GW702x SOM contains the following:
 - i.MX8M Plus SoC
 - LPDDR4 memory
 - eMMC Boot device
 - Gateworks System Controller (GSC) with integrated EEPROM, button
   controller, and ADC's
 - PMIC
 - SOM connector providing:
  - eQoS GbE MII
  - 1x SPI
  - 2x I2C
  - 4x UART
  - 2x USB 3.0
  - 1x PCI
  - 1x SDIO (4-bit 3.3V)
  - 1x SDIO (4-bit 3.3V/1.8V)
  - GPIO

The GW7905 Baseboard contains the following:
 - GPS
 - microSD
 - off-board I/O connector with I2C, SPI, GPIO
 - EERPOM
 - PCIe clock generator
 - 1x full-length miniPCIe socket with PCI/USB3 (via mux) and USB2.0
 - 1x half-length miniPCIe socket with USB2.0 and USB3.0
 - USB 3.0 HUB
 - USB Type-C with USB PD Sink capability and peripheral support
 - USB Type-C with USB 3.0 host support

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/arm/dts/imx8mp-venice-gw7905-2x.dts b/arch/arm/dts/imx8mp-venice-gw7905-2x.dts
new file mode 100644
index 0000000000..4a1bbbbe19
--- /dev/null
+++ b/arch/arm/dts/imx8mp-venice-gw7905-2x.dts
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023 Gateworks Corporation
+ */
+
+/dts-v1/;
+
+#include "imx8mp.dtsi"
+#include "imx8mp-venice-gw702x.dtsi"
+#include "imx8mp-venice-gw7905.dtsi"
+
+/ {
+	model = "Gateworks Venice GW7905-2x i.MX8MP Development Kit";
+	compatible = "gateworks,imx8mp-gw7905-2x", "fsl,imx8mp";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+};
+
+/* Disable SOM interfaces not used on baseboard */
+&eqos {
+	status = "disabled";
+};
+
+&usdhc1 {
+	status = "disabled";
+};