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From: Mrinmay Sarkar <quic_msarkar@quicinc.com>
To: agross@kernel.org, andersson@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	konrad.dybcio@linaro.org, mani@kernel.org, robh+dt@kernel.org
Cc: quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com,
	quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com,
	dmitry.baryshkov@linaro.org, robh@kernel.org,
	quic_krichai@quicinc.com, quic_vbadigan@quicinc.com,
	quic_parass@quicinc.com, quic_schintav@quicinc.com,
	quic_shijjose@quicinc.com,
	Mrinmay Sarkar <quic_msarkar@quicinc.com>,
	Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org
Subject: [PATCH v1 2/2] arm64: dts: qcom: sa8775p: Add ep pcie1 controller node
Date: Tue,  7 Nov 2023 18:34:53 +0530	[thread overview]
Message-ID: <1699362294-15558-3-git-send-email-quic_msarkar@quicinc.com> (raw)
In-Reply-To: <1699362294-15558-1-git-send-email-quic_msarkar@quicinc.com>

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@quicinc.com>
---
 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


  parent reply	other threads:[~2023-11-07 13:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-07 13:04 [PATCH v1 0/2] arm64: qcom: sa8775p: add support for x4 EP PCIe controller Mrinmay Sarkar
2023-11-07 13:04 ` [PATCH v1 1/2] phy: qcom-qmp-pcie: add x4 lane EP support for sa8775p Mrinmay Sarkar
2023-11-07 13:10   ` Dmitry Baryshkov
2023-11-07 13:04 ` Mrinmay Sarkar [this message]
2023-11-07 18:37   ` [PATCH v1 2/2] arm64: dts: qcom: sa8775p: Add ep pcie1 controller node Andrew Halaney
2023-11-07 21:54     ` Konrad Dybcio
2023-11-10  5:03       ` Mrinmay Sarkar

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