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Mon, 12 Oct 2026 21:55:36 -0700 (PDT) Received: from sdciot-sh07-lnx.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-899b738d03bsm2438382b3a.41.2026.10.12.21.55.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2026 21:55:36 -0700 (PDT) From: Linghui Wu To: Bjorn Andersson , Konrad Dybcio , kernel@oss.qualcomm.com Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Miaoqing Pan , Hangtian Zhu , Cheng Jiang , Linghui Wu , Wei Deng Subject: [PATCH v2] arm64: dts: qcom: shikra-iqs: add M.2 Wi-Fi and Bluetooth overlay Date: Tue, 13 Oct 2026 12:55:27 +0800 Message-ID: <20261013045527.56941-1-linghui.wu@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261012122934.3240030-1-linghui.wu@oss.qualcomm.com> References: <20261012122934.3240030-1-linghui.wu@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEzMDAxOSBTYWx0ZWRfX5bB1Y/5+C9B3 YhtJxkHrdYOE2ORYw6dLoSTKn1U5hx0gnUeCN13KDzZz1NSw4Vkvqwio6hl2I5JbMyAj2uoL6N7 K9Gl5CPfUSTLaM2+b7J7mBXYU7lrDPMDkl3sje0HpH3V43e7DW4f/ly5EAAmyxi0AV+Q1zrB7+Q K5S/TmP+7tZ+46AGYayJ2ABAyQy+r/dQ/Qs9xSJi7HfZTTIr47vhDa45RDznw+3H3ABud2/eawv 1Cr0Yf7NmFPkY2xNq1rugXKmFfyBITblBAVRMycWS9cfUOl87Ln/hejUDGUwTvYurr+wqngiqZX bNbVE1QARbH2XIT0DkWb862P7vfEQuWvLtypv2cQ2wrfeD7iVvdMJacT6MymFMta8IGSOD+GSQT SM+5gb/JslbcmT1vG9PlIo6eZXoP4DQUX6+zYHBUYsxbn51WFwJGviuNBmDpfHzZCmhibi1Owyg a8dzEsIBhcX0on+Y2Cw== X-Authority-Analysis: v=2.4 cv=VPVIDNPX c=1 sm=1 tr=0 ts=6acdb9ca cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=HwT7i5cL4_BIIXZyjbQA:9 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-ORIG-GUID: nK2nMWqRZr_wOCvl-GRvspjbrqroFD8q X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEzMDAxOSBTYWx0ZWRfX2q+iG8t7rVUf SiBkznVTHRP83iiirGTwJRqinksjjal0PBtcAkil3DbCmjFQK6trjHWbHJzIsL0RW9FSPBFqSjc p3ghjJqtfidJIF1qp4DkJeFzhllyPJw= X-Proofpoint-GUID: nK2nMWqRZr_wOCvl-GRvspjbrqroFD8q X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610130019 Add an overlay for M.2 Key-E Wi-Fi and Bluetooth modules on Qualcomm Shikra IQS EVK. Describe the PCIe and UART connections through the M.2 connector, the 3.3 V supply, the W_DISABLE signals and the PCIe reset signal. Disable the onboard Wi-Fi and Bluetooth nodes when the overlay is selected. The Wi-Fi PCIe path was tested on a Shikra IQS EVK with a QCC2072 module. The overlay was applied, the link trained at Gen2 x1 and the endpoint enumerated. Bluetooth UART and HCI runtime validation is pending. Co-developed-by: Wei Deng Signed-off-by: Wei Deng Signed-off-by: Linghui Wu --- Changes in v2: - Drop regulator-boot-on and startup-delay-us from the 3.3 V regulator. arch/arm64/boot/dts/qcom/Makefile | 1 + .../dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso | 106 ++++++++++++++++++ 2 files changed, 107 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 1c86e7e98f55..799faa32e2d9 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -339,6 +339,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sdx75-idp.dtb dtb-$(CONFIG_ARCH_QCOM) += shikra-cqm-evk.dtb dtb-$(CONFIG_ARCH_QCOM) += shikra-cqs-evk.dtb dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk.dtb +dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk-m2-wifi-bt.dtbo dtb-$(CONFIG_ARCH_QCOM) += sm4250-oneplus-billie2.dtb dtb-$(CONFIG_ARCH_QCOM) += sm4450-qrd.dtb dtb-$(CONFIG_ARCH_QCOM) += sm6115-fxtec-pro1x.dtb diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso b/arch/arm64/boot/dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso new file mode 100644 index 000000000000..9496c6558eef --- /dev/null +++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) 2026 Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +/dts-v1/; +/plugin/; + +#include + +&{/} { + m2_keye_3p3: regulator-m2-keye-3p3 { + compatible = "regulator-fixed"; + regulator-name = "VREG_3P3_KEYE"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&qps_gpio_expander 6 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + wifi-bt-connector { + compatible = "pcie-m2-e-connector"; + + vpcie3v3-supply = <&m2_keye_3p3>; + w-disable1-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>; + w-disable2-gpios = <&tlmm 60 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + m2_e_pcie_ep: endpoint@0 { + reg = <0>; + remote-endpoint = <&pcie_port0_ep>; + }; + }; + + port@3 { + reg = <3>; + #address-cells = <1>; + #size-cells = <0>; + + m2_e_uart_ep: endpoint@0 { + reg = <0>; + remote-endpoint = <&uart8_ep>; + }; + }; + }; + }; +}; + +&{/wcn3988-pmu} { + status = "disabled"; +}; + +&i2c3 { + qps_gpio_expander: gpio@3c { + compatible = "nxp,pca9534"; + reg = <0x3c>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + +&pcie { + iommu-map = <0x0 &apps_smmu 0x0800 0x0 0x1>, + <0x100 &apps_smmu 0x0801 0x0 0x1>; + vddpe-3v3-supply = <&m2_keye_3p3>; +}; + +&pcie_port0 { + compatible = "pciclass,0604"; + reset-gpios = <&tlmm 118 GPIO_ACTIVE_LOW>; + + port { + pcie_port0_ep: endpoint { + remote-endpoint = <&m2_e_pcie_ep>; + }; + }; +}; + +&tc9563 { + reg = <0x1ff00 0x0 0x0 0x0 0x0>; + status = "disabled"; +}; + +&uart8 { + bluetooth { + status = "disabled"; + }; + + port { + uart8_ep: endpoint { + remote-endpoint = <&m2_e_uart_ep>; + }; + }; +}; + +&wifi { + status = "disabled"; +}; -- 2.43.0