arm64: dts: airoha: en7581: Add PCIe nodes to EN7581 SoC evaluation board

Introduce PCIe controller nodes to EN7581 SoC and EN7581 evaluation
board.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: AngeloGioacchino Del Regno <[email protected]>

Author: LorenzoBianconi

arch/arm64/boot/dts/airoha/en7581-evb.dts

@@ -67,6 +67,32 @@
 
 &en7581_pinctrl {
 	gpio-ranges = <&en7581_pinctrl 0 13 47>;
+
+	pcie0_rst_pins: pcie0-rst-pins {
+		conf {
+			pins = "pcie_reset0";
+			drive-open-drain = <1>;
+		};
+	};
+
+	pcie1_rst_pins: pcie1-rst-pins {
+		conf {
+			pins = "pcie_reset1";
+			drive-open-drain = <1>;
+		};
+	};
+};
+
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_rst_pins>;
+	status = "okay";
+};
+
+&pcie1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_rst_pins>;
+	status = "okay";
 };
 
 &i2c0 {

arch/arm64/boot/dts/airoha/en7581.dtsi

@@ -180,6 +180,111 @@
 			#reset-cells = <1>;
 		};
 
+		pbus_csr: syscon@1fbe3400 {
+			compatible = "airoha,en7581-pbus-csr", "syscon";
+			reg = <0x0 0x1fbe3400 0x0 0xff>;
+		};
+
+		pciephy: phy@1fa5a000 {
+			compatible = "airoha,en7581-pcie-phy";
+			reg = <0x0 0x1fa5a000 0x0 0xfff>,
+			      <0x0 0x1fa5b000 0x0 0xfff>,
+			      <0x0 0x1fa5c000 0x0 0xfff>,
+			      <0x0 0x1fc10044 0x0 0x4>,
+			      <0x0 0x1fc30044 0x0 0x4>,
+			      <0x0 0x1fc15030 0x0 0x104>;
+			reg-names = "csr-2l", "pma0", "pma1",
+				    "p0-xr-dtime", "p1-xr-dtime",
+				    "rx-aeq";
+			#phy-cells = <0>;
+		};
+
+		pcie0: pcie@1fc00000 {
+			compatible = "airoha,en7581-pcie";
+			device_type = "pci";
+			linux,pci-domain = <0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			reg = <0x0 0x1fc00000 0x0 0x1670>;
+			reg-names = "pcie-mac";
+
+			clocks = <&scuclk EN7523_CLK_PCIE>;
+			clock-names = "sys-ck";
+
+			phys = <&pciephy>;
+			phy-names = "pcie-phy";
+
+			ranges = <0x02000000 0 0x20000000 0x0 0x20000000 0 0x4000000>;
+
+			resets = <&scuclk EN7581_PCIE0_RST>,
+				 <&scuclk EN7581_PCIE1_RST>,
+				 <&scuclk EN7581_PCIE2_RST>;
+			reset-names = "phy-lane0", "phy-lane1", "phy-lane2";
+
+			mediatek,pbus-csr = <&pbus_csr 0x0 0x4>;
+
+			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+			bus-range = <0x00 0xff>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 7>;
+			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
+					<0 0 0 2 &pcie_intc0 1>,
+					<0 0 0 3 &pcie_intc0 2>,
+					<0 0 0 4 &pcie_intc0 3>;
+
+			status = "disabled";
+
+			pcie_intc0: interrupt-controller {
+				interrupt-controller;
+				#address-cells = <0>;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		pcie1: pcie@1fc20000 {
+			compatible = "airoha,en7581-pcie";
+			device_type = "pci";
+			linux,pci-domain = <1>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			reg = <0x0 0x1fc20000 0x0 0x1670>;
+			reg-names = "pcie-mac";
+
+			clocks = <&scuclk EN7523_CLK_PCIE>;
+			clock-names = "sys-ck";
+
+			phys = <&pciephy>;
+			phy-names = "pcie-phy";
+
+			ranges = <0x02000000 0 0x24000000 0x0 0x24000000 0 0x4000000>;
+
+			resets = <&scuclk EN7581_PCIE0_RST>,
+				 <&scuclk EN7581_PCIE1_RST>,
+				 <&scuclk EN7581_PCIE2_RST>;
+			reset-names = "phy-lane0", "phy-lane1", "phy-lane2";
+
+			mediatek,pbus-csr = <&pbus_csr 0x8 0xc>;
+
+			interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+			bus-range = <0x00 0xff>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 7>;
+			interrupt-map = <0 0 0 1 &pcie_intc1 0>,
+					<0 0 0 2 &pcie_intc1 1>,
+					<0 0 0 3 &pcie_intc1 2>,
+					<0 0 0 4 &pcie_intc1 3>;
+
+			status = "disabled";
+
+			pcie_intc1: interrupt-controller {
+				interrupt-controller;
+				#address-cells = <0>;
+				#interrupt-cells = <1>;
+			};
+		};
+
 		uart1: serial@1fbf0000 {
 			compatible = "ns16550";
 			reg = <0x0 0x1fbf0000 0x0 0x30>;