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Fri, 29 Mar 2024 15:22:08 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 42TFM80l008954; Fri, 29 Mar 2024 15:22:08 GMT Received: from hu-sgudaval-hyd.qualcomm.com (hu-msarkar-hyd.qualcomm.com [10.213.111.194]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 42TFM8Zc008953; Fri, 29 Mar 2024 15:22:08 +0000 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 3891782) id 6FDA23C2F; Fri, 29 Mar 2024 20:52:07 +0530 (+0530) From: Mrinmay Sarkar To: andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, konrad.dybcio@linaro.org, manivannan.sadhasivam@linaro.org Cc: quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com, quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com, quic_schintav@quicinc.com, Mrinmay Sarkar , Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v10 3/3] arm64: dts: qcom: sa8775p: Add ep pcie0 controller node Date: Fri, 29 Mar 2024 20:51:57 +0530 Message-Id: <1711725718-6362-4-git-send-email-quic_msarkar@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1711725718-6362-1-git-send-email-quic_msarkar@quicinc.com> References: <1711725718-6362-1-git-send-email-quic_msarkar@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 4qFLPRtPqcSf2im-7Qb_CX5N-af9X3x1 X-Proofpoint-ORIG-GUID: 4qFLPRtPqcSf2im-7Qb_CX5N-af9X3x1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-29_13,2024-03-28_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 spamscore=0 phishscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403290135 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Add ep pcie dtsi node for pcie0 controller found on sa8775p platform. It supports gen4 and x2 link width. Limiting the speed to Gen3 due to stability issues. Signed-off-by: Mrinmay Sarkar Reviewed-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 46 +++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 231cea1..d9802027 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -3679,6 +3679,52 @@ status = "disabled"; }; + pcie0_ep: pcie-ep@1c00000 { + compatible = "qcom,sa8775p-pcie-ep"; + reg = <0x0 0x01c00000 0x0 0x3000>, + <0x0 0x40000000 0x0 0xf20>, + <0x0 0x40000f20 0x0 0xa8>, + <0x0 0x40001000 0x0 0x4000>, + <0x0 0x40200000 0x0 0x100000>, + <0x0 0x01c03000 0x0 0x1000>, + <0x0 0x40005000 0x0 0x2000>; + reg-names = "parf", "dbi", "elbi", "atu", "addr_space", + "mmio", "dma"; + + clocks = <&gcc GCC_PCIE_0_AUX_CLK>, + <&gcc GCC_PCIE_0_CFG_AHB_CLK>, + <&gcc GCC_PCIE_0_MSTR_AXI_CLK>, + <&gcc GCC_PCIE_0_SLV_AXI_CLK>, + <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>; + + clock-names = "aux", + "cfg", + "bus_master", + "bus_slave", + "slave_q2a"; + + interrupts = , + , + ; + + interrupt-names = "global", "doorbell", "dma"; + + interconnects = <&pcie_anoc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>; + interconnect-names = "pcie-mem", "cpu-pcie"; + + iommus = <&pcie_smmu 0x0000 0x7f>; + resets = <&gcc GCC_PCIE_0_BCR>; + reset-names = "core"; + power-domains = <&gcc PCIE_0_GDSC>; + phys = <&pcie0_phy>; + phy-names = "pciephy"; + max-link-speed = <3>; /* FIXME: Limiting the Gen speed due to stability issues */ + num-lanes = <2>; + + status = "disabled"; + }; + pcie0_phy: phy@1c04000 { compatible = "qcom,sa8775p-qmp-gen4x2-pcie-phy"; reg = <0x0 0x1c04000 0x0 0x2000>;