[PATCH v1 2/2] arm64: dts: qcom: sa8775p: Add ep pcie1 controller node

[Mrinmay Sarkar]

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