Commit 08a4aeb2 authored by Felix Fietkau's avatar Felix Fietkau Committed by Matthias Brugger
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ARM: dts: Add PCIe support for Airoha EN7523 



This uses the MediaTek MT7622 PCIe driver, since the PCIe IP block is nearly
identical to the one in MT7622

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20220615125335.96089-3-nbd@nbd.name


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent e0c5341a

arch/arm/boot/dts/en7523-evb.dts

+8 −0
Original line number Diff line number Diff line
@@ -33,3 +33,11 @@ &gpio0 { 
&gpio1 {

	status = "okay";

};



&pcie0 {

	status = "okay";

};



&pcie1 {

	status = "okay";

};

arch/arm/boot/dts/en7523.dtsi

+58 −0
Original line number Diff line number Diff line
@@ -143,4 +143,62 @@ gpio1: gpio@1fbf0270 { 
		gpio-controller;

		#gpio-cells = <2>;

	};



	pcie0: pcie@1fa91000 {

		compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie";

		device_type = "pci";

		reg = <0x1fa91000 0x1000>;

		reg-names = "port0";

		linux,pci-domain = <0>;

		#address-cells = <3>;

		#size-cells = <2>;

		interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;

		interrupt-names = "pcie_irq";

		clocks = <&scu EN7523_CLK_PCIE>;

		clock-names = "sys_ck0";

		bus-range = <0x00 0xff>;

		ranges = <0x82000000 0 0x20000000  0x20000000  0 0x8000000>;

		status = "disabled";



		#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>;

		pcie_intc0: interrupt-controller {

			interrupt-controller;

			#address-cells = <0>;

			#interrupt-cells = <1>;

		};

	};



	pcie1: pcie@1fa92000 {

		compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie";

		device_type = "pci";

		reg = <0x1fa92000 0x1000>;

		reg-names = "port1";

		linux,pci-domain = <1>;

		#address-cells = <3>;

		#size-cells = <2>;

		interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;

		interrupt-names = "pcie_irq";

		clocks = <&scu EN7523_CLK_PCIE>;

		clock-names = "sys_ck1";

		bus-range = <0x00 0xff>;

		ranges = <0x82000000 0 0x28000000  0x28000000  0 0x8000000>;

		status = "disabled";



		#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>;

		pcie_intc1: interrupt-controller {

			interrupt-controller;

			#address-cells = <0>;

			#interrupt-cells = <1>;

		};

	};

};