Add ep pcie dtsi node for pcie1 controller found on sa8775p platform.
It supports gen4 and x4 link width. Limiting the speed to Gen3 due to
stability issues.
Signed-off-by: Mrinmay Sarkar <quic_msarkar@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sa8775p.dtsi | 48 +++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 7eab458..acd7bd8 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3732,6 +3732,54 @@
status = "disabled";
};
+ pcie1_ep: pcie-ep@1c10000 {
+ compatible = "qcom,sa8775p-pcie-ep";
+ reg = <0x0 0x01c10000 0x0 0x3000>,
+ <0x0 0x60000000 0x0 0xf20>,
+ <0x0 0x60000f20 0x0 0xa8>,
+ <0x0 0x60001000 0x0 0x4000>,
+ <0x0 0x60200000 0x0 0x100000>,
+ <0x0 0x01c13000 0x0 0x1000>,
+ <0x0 0x60005000 0x0 0x2000>;
+ 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>;
+
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a";
+
+ interrupts = <GIC_SPI 518 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 474 IRQ_TYPE_LEVEL_HIGH>;
+
+ interrupt-names = "global", "doorbell", "dma";
+
+ interconnects = <&pcie_anoc 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";
+
+ dma-coherent;
+
+ iommus = <&pcie_smmu 0x80 0x7f>;
+ resets = <&gcc GCC_PCIE_1_BCR>;
+ reset-names = "core";
+ power-domains = <&gcc PCIE_1_GDSC>;
+ phys = <&pcie1_phy>;
+ phy-names = "pciephy";
+ max-link-speed = <3>; /* FIXME: Limiting the Gen speed due to stability issues */
+ num-lanes = <4>;
+
+ status = "disabled";
+ };
+
pcie1_phy: phy@1c14000 {
compatible = "qcom,sa8775p-qmp-gen4x4-pcie-phy";
reg = <0x0 0x1c14000 0x0 0x4000>;
--
2.7.4
