[PATCH v8 2/4] ARM: dts: aspeed-g6: Add PCIe RC and PCIe PHY node
From: Jacky Chou <jacky_chou@aspeedtech.com>
Date: 2025-12-30 05:58:12
Also in:
linux-aspeed, linux-devicetree, linux-phy, lkml
Subsystem:
arm/aspeed machine support, the rest · Maintainers:
Joel Stanley, Andrew Jeffery, Linus Torvalds
The AST2600 has one PCIe RC and add the PCIe PHY for RC. And add pinctrl support for PCIe RC PERST#. Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com> --- arch/arm/boot/dts/aspeed/aspeed-g6-pinctrl.dtsi | 5 +++ arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 53 +++++++++++++++++++++++++ 2 files changed, 58 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6-pinctrl.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6-pinctrl.dtsi
index e87c4b58994a..d46f2047135c 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-g6-pinctrl.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-g6-pinctrl.dtsi@@ -2,6 +2,11 @@ // Copyright 2019 IBM Corp. &pinctrl { + pinctrl_pcierc1_default: pcierc1-default { + function = "PCIERC1"; + groups = "PCIERC1"; + }; + pinctrl_adc0_default: adc0_default { function = "ADC0"; groups = "ADC0";
diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
index f8662c8ac089..dde8f87db2e3 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi@@ -379,6 +379,59 @@ rng: hwrng@1e6e2524 { quality = <100>; }; + pcie_phy1: phy@1e6ed200 { + compatible = "aspeed,ast2600-pcie-phy"; + reg = <0x1e6ed200 0x100>; + #phy-cells = <0>; + + status = "disabled"; + }; + + pcie0: pcie@1e770000 { + compatible = "aspeed,ast2600-pcie"; + device_type = "pci"; + reg = <0x1e770000 0x100>; + #address-cells = <3>; + #size-cells = <2>; + interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>; + bus-range = <0x00 0xff>; + + ranges = <0x01000000 0x0 0x00018000 0x00018000 0x0 0x00008000 + 0x02000000 0x0 0x60000000 0x60000000 0x0 0x20000000>; + + status = "disabled"; + + resets = <&syscon ASPEED_RESET_H2X>; + reset-names = "h2x"; + + #interrupt-cells = <1>; + msi-controller; + + aspeed,ahbc = <&ahbc>; + + interrupt-controller; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie0 0>, + <0 0 0 2 &pcie0 1>, + <0 0 0 3 &pcie0 2>, + <0 0 0 4 &pcie0 3>; + + pcie@8,0 { + compatible = "pciclass,0604"; + reg = <0x00004000 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>; + phys = <&pcie_phy1>; + ranges; + }; + }; + gfx: display@1e6e6000 { compatible = "aspeed,ast2600-gfx", "syscon"; reg = <0x1e6e6000 0x1000>;
--
2.34.1