arm64: dts: k3-am6: Add PCIe Root Complex DT node

Add PCIe Root Complex DT node.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

arch/arm64/boot/dts/ti/k3-am65-main.dtsi

@@ -265,6 +265,21 @@ scm_conf: scm_conf@100000 {
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x00100000 0x1c000>;
 
+		pcie0_mode: pcie-mode@4060 {
+			compatible = "syscon";
+			reg = <0x00004060 0x4>;
+		};
+
+		pcie1_mode: pcie-mode@4070 {
+			compatible = "syscon";
+			reg = <0x00004070 0x4>;
+		};
+
+		pcie_devid: pcie-devid@210 {
+			compatible = "syscon";
+			reg = <0x00000210 0x4>;
+		};
+
 		serdes0_clk: serdes_clk@4080 {
 			compatible = "syscon";
 			reg = <0x00004080 0x4>;
@@ -431,4 +446,42 @@ main_gpio1:  main_gpio1@601000 {
 		clocks = <&k3_clks 58 0>;
 		clock-names = "gpio";
 	};
+
+	pcie0_rc: pcie@5500000 {
+		compatible = "ti,am654-pcie-rc";
+		reg =  <0x0 0x5500000 0x0 0x1000>, <0x0 0x5501000 0x0 0x1000>, <0x0 0x10000000 0x0 0x2000>, <0x0 0x5506000 0x0 0x1000>;
+		reg-names = "app", "dbics", "config", "atu";
+		power-domains = <&k3_pds 120>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		ranges = <0x81000000 0 0          0x0 0x10020000 0 0x00010000
+			  0x82000000 0 0x10030000 0x0 0x10030000 0 0x07FD0000>;
+		ti,syscon-pcie-id = <&pcie_devid>;
+		ti,syscon-pcie-mode = <&pcie0_mode>;
+		bus-range = <0x0 0xff>;
+		num-viewport = <16>;
+		max-link-speed = <3>;
+		dma-coherent;
+		interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>;
+		msi-map = <0x0 &gic_its 0x0 0x10000>;
+	};
+
+	pcie1_rc: pcie@5600000 {
+		compatible = "ti,am654-pcie-rc";
+		reg =  <0x0 0x5600000 0x0 0x1000>, <0x0 0x5601000 0x0 0x1000>, <0x0 0x18000000 0x0 0x2000>, <0x0 0x5606000 0x0 0x1000>;
+		reg-names = "app", "dbics", "config", "atu";
+		power-domains = <&k3_pds 121>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		ranges = <0x81000000 0 0          0x0   0x18020000 0 0x00010000
+			  0x82000000 0 0x18030000 0x0   0x18030000 0 0x07FD0000>;
+		ti,syscon-pcie-id = <&pcie_devid>;
+		ti,syscon-pcie-mode = <&pcie1_mode>;
+		bus-range = <0x0 0xff>;
+		num-viewport = <16>;
+		max-link-speed = <3>;
+		dma-coherent;
+		interrupts = <GIC_SPI 355 IRQ_TYPE_EDGE_RISING>;
+		msi-map = <0x0 &gic_its 0x10000 0x10000>;
+	};
 };

arch/arm64/boot/dts/ti/k3-am65.dtsi

@@ -69,6 +69,7 @@ cbass_main: interconnect@100000 {
 			 <0x00 0x01000000 0x00 0x01000000 0x00 0x0af02400>, /* Most peripherals */
 			 <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>, /* MAIN NAVSS */
 			 <0x00 0x70000000 0x00 0x70000000 0x00 0x00200000>, /* MSMC SRAM */
+			 <0x00 0x10000000 0x00 0x10000000 0x00 0x10000000>, /* PCIe DAT */
 			 /* MCUSS Range */
 			 <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>,
 			 <0x00 0x40200000 0x00 0x40200000 0x00 0x00900100>,