arm: dts: mediatek: add PCIe node for MT7981

Add PCIe node for MT7981 with all the required properties to make PCIe
work.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Weijie Gao <weijie.gao@mediatek.com>
Tested-by: Weijie Gao <weijie.gao@mediatek.com>

diff --git a/arch/arm/dts/mt7981.dtsi b/arch/arm/dts/mt7981.dtsi
index 2360c6b..5b4cadc 100644 (file)
--- a/arch/arm/dts/mt7981.dtsi
+++ b/arch/arm/dts/mt7981.dtsi
@@ -339,6 +339,41 @@
                status = "okay";
        };
 
+       pcie: pcie@11280000 {
+               compatible = "mediatek,mt8192-pcie";
+               device_type = "pci";
+               reg = <0x11280000 0x4000>;
+               reg-names = "pcie-mac";
+               #address-cells = <3>;
+               #size-cells = <2>;
+               interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&infracfg CLK_INFRA_IPCIE_CK>,
+                               <&infracfg CLK_INFRA_IPCIE_PIPE_CK>,
+                               <&infracfg CLK_INFRA_IPCIER_CK>,
+                               <&infracfg CLK_INFRA_IPCIEB_CK>;
+               clock-names = "pl_250m", "tl_26m", "peri_26m", "top_133m";
+               phys = <&u3port0 PHY_TYPE_PCIE>;
+               phy-names = "pcie-phy";
+               bus-range = <0x00 0xff>;
+               ranges = <0x82000000 0 0x20000000 0x20000000 0 0x10000000>;
+
+               #interrupt-cells = <1>;
+
+               interrupt-map-mask = <0 0 0 7>;
+               interrupt-map = <0 0 0 1 &pcie_intc 0>,
+                       <0 0 0 2 &pcie_intc 1>,
+                       <0 0 0 3 &pcie_intc 2>,
+                       <0 0 0 4 &pcie_intc 3>;
+
+               status = "disabled";
+
+               pcie_intc: interrupt-controller {
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+                       #address-cells = <0>;
+               };
+       };
+
        usbtphy: usb-phy@11e10000 {
                compatible = "mediatek,mt7981",
                             "mediatek,generic-tphy-v2";