FROMLIST: riscv: sophgo: dts: add pcie controllers for SG2042

Add PCIe controller nodes in DTS for Sophgo SG2042.
Default they are disabled.

Signed-off-by: Chen Wang <[email protected]>
Link: https://lore.kernel.org/r/4a1f23e5426bfb56cad9c07f90d4efaad5eab976.1736923025.git.unicorn_wang@outlook.com
Signed-off-by: Han Gao <[email protected]>

Author: unicornx

arch/riscv/boot/dts/sophgo/sg2042.dtsi

@@ -244,6 +244,95 @@
 			#clock-cells = <1>;
 		};
 
+		pcie_rc0: pcie@7060000000 {
+			compatible = "sophgo,sg2042-pcie-host";
+			device_type = "pci";
+			reg = <0x70 0x60000000  0x0 0x02000000>,
+			      <0x40 0x00000000  0x0 0x00001000>;
+			reg-names = "reg", "cfg";
+			linux,pci-domain = <0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0x0  0xc0000000  0x40 0xc0000000  0x0 0x00400000>,
+				 <0x42000000 0x0  0xd0000000  0x40 0xd0000000  0x0 0x10000000>,
+				 <0x02000000 0x0  0xe0000000  0x40 0xe0000000  0x0 0x20000000>,
+				 <0x43000000 0x42 0x00000000  0x42 0x00000000  0x2 0x00000000>,
+				 <0x03000000 0x41 0x00000000  0x41 0x00000000  0x1 0x00000000>;
+			bus-range = <0x0 0xff>;
+			vendor-id = <0x1f1c>;
+			device-id = <0x2042>;
+			cdns,no-bar-match-nbits = <48>;
+			sophgo,link-id = <0>;
+			sophgo,syscon-pcie-ctrl = <&cdns_pcie0_ctrl>;
+			msi-parent = <&msi>;
+			status = "disabled";
+		};
+
+		cdns_pcie0_ctrl: syscon@7061800000 {
+			compatible = "sophgo,sg2042-pcie-ctrl", "syscon";
+			reg = <0x70 0x61800000 0x0 0x800000>;
+		};
+
+		pcie_rc1: pcie@7062000000 {
+			compatible = "sophgo,sg2042-pcie-host";
+			device_type = "pci";
+			reg = <0x70 0x62000000  0x0 0x00800000>,
+			      <0x48 0x00000000  0x0 0x00001000>;
+			reg-names = "reg", "cfg";
+			linux,pci-domain = <1>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0x0  0xc0800000  0x48 0xc0800000  0x0 0x00400000>,
+				 <0x42000000 0x0  0xd0000000  0x48 0xd0000000  0x0 0x10000000>,
+				 <0x02000000 0x0  0xe0000000  0x48 0xe0000000  0x0 0x20000000>,
+				 <0x03000000 0x49 0x00000000  0x49 0x00000000  0x1 0x00000000>,
+				 <0x43000000 0x4a 0x00000000  0x4a 0x00000000  0x2 0x00000000>;
+			bus-range = <0x0 0xff>;
+			vendor-id = <0x1f1c>;
+			device-id = <0x2042>;
+			cdns,no-bar-match-nbits = <48>;
+			sophgo,link-id = <0>;
+			sophgo,syscon-pcie-ctrl = <&cdns_pcie1_ctrl>;
+			msi-parent = <&msi_pcie>;
+			status = "disabled";
+			msi_pcie: msi {
+				compatible = "sophgo,sg2042-pcie-msi";
+				msi-controller;
+				interrupt-parent = <&intc>;
+				interrupts = <123 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "msi";
+			};
+		};
+
+		pcie_rc2: pcie@7062800000 {
+			compatible = "sophgo,sg2042-pcie-host";
+			device_type = "pci";
+			reg = <0x70 0x62800000  0x0 0x00800000>,
+			      <0x4c 0x00000000  0x0 0x00001000>;
+			reg-names = "reg", "cfg";
+			linux,pci-domain = <2>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0x0  0xc0c00000  0x4c 0xc0c00000  0x0 0x00400000>,
+				 <0x42000000 0x0  0xf8000000  0x4c 0xf8000000  0x0 0x04000000>,
+				 <0x02000000 0x0  0xfc000000  0x4c 0xfc000000  0x0 0x04000000>,
+				 <0x43000000 0x4e 0x00000000  0x4e 0x00000000  0x2 0x00000000>,
+				 <0x03000000 0x4d 0x00000000  0x4d 0x00000000  0x1 0x00000000>;
+			bus-range = <0x0 0xff>;
+			vendor-id = <0x1f1c>;
+			device-id = <0x2042>;
+			cdns,no-bar-match-nbits = <48>;
+			sophgo,link-id = <1>;
+			sophgo,syscon-pcie-ctrl = <&cdns_pcie1_ctrl>;
+			msi-parent = <&msi>;
+			status = "disabled";
+		};
+
+		cdns_pcie1_ctrl: syscon@7063800000 {
+			compatible = "sophgo,sg2042-pcie-ctrl", "syscon";
+			reg = <0x70 0x63800000 0x0 0x800000>;
+		};
+
 		clint_mswi: interrupt-controller@7094000000 {
 			compatible = "sophgo,sg2042-aclint-mswi", "thead,c900-aclint-mswi";
 			reg = <0x00000070 0x94000000 0x00000000 0x00004000>;