[PATCH v2 06/10] ARM: dts: aspeed-g6: Add PCIe RC node

Jacky Chou jacky_chou at aspeedtech.com
Mon Jul 14 20:43:16 PDT 2025


The AST2600 has one PCIe RC, and add the relative configure regmap.

Signed-off-by: Jacky Chou <jacky_chou at aspeedtech.com>
---
 arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 61 +++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
index 8ed715bd53aa..ed99780b6860 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
@@ -379,6 +379,67 @@ rng: hwrng at 1e6e2524 {
 				quality = <100>;
 			};
 
+			pcie_phy1: syscon at 1e6ed200 {
+				compatible = "aspeed,pcie-phy", "syscon";
+				reg = <0x1e6ed200 0x100>;
+			};
+
+			pcie_cfg: syscon at 1e770000 {
+				compatible = "aspeed,pcie-cfg", "syscon";
+				reg = <0x1e770000 0x80>;
+			};
+
+			pcie0: pcie at 1e7700c0 {
+				compatible = "aspeed,ast2600-pcie";
+				device_type = "pci";
+				reg = <0x1e7700c0 0x40>;
+				linux,pci-domain = <0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+				bus-range = <0x80 0xff>;
+
+				ranges = <0x01000000 0x0 0x00018000 0x00018000 0x0 0x00008000
+					  0x02000000 0x0 0x70000000 0x70000000 0x0 0x10000000>;
+
+				status = "disabled";
+
+				resets = <&syscon ASPEED_RESET_H2X>;
+				reset-names = "h2x";
+
+				#interrupt-cells = <1>;
+				msi-parent = <&pcie0>;
+				msi-controller;
+
+				aspeed,ahbc = <&ahbc>;
+				aspeed,pciecfg = <&pcie_cfg>;
+
+				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>;
+				};
+
+				pcie at 8,0 {
+					reg = <0x804000 0 0 0 0>;
+					#address-cells = <3>;
+					#size-cells = <2>;
+					device_type = "pci";
+					resets = <&syscon ASPEED_RESET_PCIE_RC_O>;
+					reset-names = "perst";
+					clocks = <&syscon ASPEED_CLK_GATE_BCLK>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&pinctrl_pcierc1_default>;
+					aspeed,pciephy = <&pcie_phy1>;
+					ranges;
+				};
+			};
+
 			gfx: display at 1e6e6000 {
 				compatible = "aspeed,ast2600-gfx", "syscon";
 				reg = <0x1e6e6000 0x1000>;
-- 
2.43.0




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