[PATCH 6/6] arm64: dts: qcom: sm8450: add PCIe EP device nodes
From: Dmitry Baryshkov
Date: Mon Feb 17 2025 - 13:57:49 EST
On the Qualcomm SM8450 platform the second PCIe host can be used
either as an RC or as an EP device. Add device node for the PCIe EP.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8450.dtsi | 52 ++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 9c809fc5fa45a98ff5441a0b6809931588897243..ad0ec15b18e5ca7bea196be1564152f7faf51d9f 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -2262,6 +2262,58 @@ pcie@0 {
};
};
+ pcie1_ep: pcie-ep@1c08000 {
+ compatible = "qcom,sm8450-pcie-ep";
+ reg = <0x0 0x01c08000 0x0 0x3000>,
+ <0x0 0x40000000 0x0 0xf1d>,
+ <0x0 0x40000f20 0x0 0xa8>,
+ <0x0 0x40001000 0x0 0x1000>,
+ <0x0 0x40200000 0x0 0x1000000>,
+ <0x0 0x01c0b000 0x0 0x1000>,
+ <0x0 0x40002000 0x0 0x1000>;
+ reg-names = "parf", "dbi", "elbi", "atu", "addr_space",
+ "mmio", "dma";
+
+ clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
+ <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
+ <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_DDRSS_PCIE_SF_TBU_CLK>,
+ <&gcc GCC_AGGRE_NOC_PCIE_1_AXI_CLK>;
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "ref",
+ "ddrss_sf_tbu",
+ "aggre_noc_axi";
+
+ interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 440 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "global", "doorbell", "dma";
+
+ interconnects = <&pcie_noc MASTER_PCIE_1 0 &mc_virt SLAVE_EBI1 0>,
+ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_1 0>;
+ interconnect-names = "pcie-mem", "cpu-pcie";
+
+ iommus = <&apps_smmu 0x1c80 0x7f>;
+ resets = <&gcc GCC_PCIE_1_BCR>;
+ reset-names = "core";
+ power-domains = <&gcc PCIE_1_GDSC>;
+ phys = <&pcie1_phy>;
+ phy-names = "pciephy";
+ num-lanes = <2>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_default_state>;
+
+ status = "disabled";
+ };
+
pcie1_phy: phy@1c0e000 {
compatible = "qcom,sm8450-qmp-gen4x2-pcie-phy";
reg = <0 0x01c0e000 0 0x2000>;
--
2.39.5