Initial support for Advantech SOM-DB5830 board

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -1113,6 +1113,13 @@ properties:
           - const: qcom,hamoa-iot-som
           - const: qcom,x1e80100
 
+      - items:
+          - enum:
+              - advantech,som-db5830
+          - const: advantech,som-6820
+          - const: qcom,iq-x7181-evk-som
+          - const: qcom,x1e80100
+
       - items:
           - enum:
               - qcom,purwa-iot-evk

arch/arm64/boot/dts/qcom/Makefile

@@ -26,6 +26,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-iot-evk-camera-imx577.dtbo
 hamoa-iot-evk-camera-imx577-dtbs	:= hamoa-iot-evk.dtb hamoa-iot-evk-camera-imx577.dtbo
 
 dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-iot-evk-camera-imx577.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-som-db5830.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-rdp432-c2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-tplink-archer-ax55-v1.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp441.dtb

arch/arm64/boot/dts/qcom/hamoa-som-6820.dtsi

@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ *
+ * SoM: https://advdownload.advantech.com.cn/productfile/PIS/SOM-6820/file/SOM-6820_DS(052925)20250529110758.pdf
+ */
+
+#include "hamoa-iot-som.dtsi"
+
+/ {
+	vph_pwr: regulator-vph-pwr {
+		compatible = "regulator-fixed";
+
+		regulator-name = "vph_pwr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		regulator-always-on;
+		regulator-boot-on;
+	};
+};
+
+&ufs_mem_phy {
+	vdda-phy-supply = <&vreg_l3i_0p8>;
+	vdda-pll-supply = <&vreg_l3e_1p2>;
+
+	status = "okay";
+};
+
+&ufs_mem_hc {
+	reset-gpios = <&tlmm 238 GPIO_ACTIVE_LOW>;
+
+	vcc-supply = <&vreg_l17b_2p5>;
+	vcc-max-microamp = <1300000>;
+	vccq-supply = <&vreg_l2i_1p2>;
+	vccq-max-microamp = <1200000>;
+
+	status = "okay";
+};
+
+&usb_1_ss0 {
+	/delete-property/ usb-role-switch;
+	dr_mode = "peripheral";
+};
+
+&usb_1_ss1 {
+	/delete-property/ usb-role-switch;
+	dr_mode = "host";
+};
+
+&usb_1_ss2 {
+	/delete-property/ usb-role-switch;
+	dr_mode = "host";
+};

arch/arm64/boot/dts/qcom/hamoa-som-db5830.dts

@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ *
+ * SoM: https://advdownload.advantech.com.cn/productfile/PIS/SOM-6820/file/SOM-6820_DS(052925)20250529110758.pdf
+ * carrier board: https://www.advantech.com.cn/zh-cn/products/1-fc23ff/som-db5830/mod_16b1a718-27d6-4a4c-8684-e8f2a8e9c57b
+ */
+
+/dts-v1/;
+
+#include "hamoa-som-6820.dtsi"
+
+/ {
+	model = "Advantech SOM-6820 on SOM-DB5830";
+	compatible = "advantech,som-db5830", "advantech,som-6820",
+		     "qcom,iq-x7181-evk-som", "qcom,x1e80100";
+	chassis-type = "embedded";
+
+	aliases {
+		serial0 = &uart21;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+};
+
+&pcie3_port0 {
+	reset-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>;
+};
+
+&pcie4_port0 {
+	reset-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
+};
+
+&pcie5_port0 {
+	reset-gpios = <&tlmm 149 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
+};
+
+&pcie6a_port0 {
+	reset-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 154 GPIO_ACTIVE_LOW>;
+};
+
+&thermal_zones {
+	gpuss-0-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-1-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-2-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-3-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-4-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-5-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-6-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+
+	gpuss-7-thermal {
+		trips {
+			trip-point0 {
+				temperature = <105000>;
+			};
+		};
+	};
+};
+
+&uart21 {
+	compatible = "qcom,geni-debug-uart";
+
+	status = "okay";
+};