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Thu, 12 Nov 2026 00:34:29 -0800 (PST) Received: from sdciot-sh07-lnx.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2edb6d4b950sm29351705ad.13.2026.11.12.00.34.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Nov 2026 00:34:28 -0800 (PST) From: Linghui Wu To: Bjorn Helgaas , Manivannan Sadhasivam , Bjorn Andersson Cc: Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov , Sushrut Shree Trivedi , Miaoqing Pan , Hangtian Zhu , Shuai Zhang , Cheng Jiang , Wei Deng , linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Linghui Wu Subject: [PATCH v5 4/4] arm64: dts: qcom: shikra-iqs: add M.2 Wi-Fi and Bluetooth overlay Date: Thu, 12 Nov 2026 16:33:55 +0800 Message-ID: <20261112083355.3884737-5-linghui.wu@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261112083355.3884737-1-linghui.wu@oss.qualcomm.com> References: <20261112083355.3884737-1-linghui.wu@oss.qualcomm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEyMDAzMyBTYWx0ZWRfX07JuwtZnJYGD rNKCMYlCdbUffMkv20/zqk4mdvMx4DbU/0pKO3pL8zwMuDXK/5r47zs6W0IkQH564bVE+G9I+DF FK1YvM3zUezx6wqRzFsnIGHMsr/FPGA= X-Proofpoint-GUID: 6JbTcicxM6d3YwRumNquMs8Dt-IRDg3u X-Proofpoint-ORIG-GUID: 6JbTcicxM6d3YwRumNquMs8Dt-IRDg3u X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEyMDAzMyBTYWx0ZWRfXz+n00SdBM9R9 Fwk1WmFi1FGIJMqp4zDyidAlmq6hdqy0psdNaN9ymCi2VD/jO81seVVdswm+a0Sg2BAkWT6U/1v BCs5Wli6ZcH4LX7EPqQlF2Rq/iYbCoUA+uY4Zt8Y/qgHgvNKwukoaz5XKJn04Lh33gQ4k/bQwvA yTrXV7/9XtZxvPla9N/Slx6HqqImPviz/WJMq60lw07kg4IGLlrzQY0aIj+Jj7urUftWXoRLcc0 oiXbliohJiAb/AKyEDXqxeiDGFMxNtxc1J1jTEYyN7km9jnFmzGtjnP48xE95N7Pu52yAavQRry 7WBouNmvvoDPqBR1TzSaCgUAsO5W2XZGIAyTHImhdrPO3l9XYaeel1/mBMo5h5lRyASOLx8kXc3 ILY0Waz1lte2HAo8O2913GfTqhpucngYP7CRSIuttAKX8REW2n5XkY73MzezjuUBAX8rZRyoU5W +de0mhbaZ2jcu1TErUQ== X-Authority-Analysis: v=2.4 cv=Q9dHcI2a c=1 sm=1 tr=0 ts=6af57a16 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=fwK-b8I7k3kQTYbNoNcA:9 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-12_01,2026-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 impostorscore=0 adultscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 spamscore=0 clxscore=1015 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611120033 Add an overlay for M.2 Key-E Wi-Fi and Bluetooth modules on the Qualcomm Shikra IQS EVK. The Shikra product design supports either the onboard Apache WCN3988 path or the M.2 HSP Cologne path at a time. The overlay describes the board after hardware rework selects the M.2 path. Disable the inherited onboard Wi-Fi and Bluetooth nodes when this overlay is selected. 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. The series has been validated on Shikra hardware. Link: https://lore.kernel.org/r/20261102045815.2938940-1-linghui.wu@oss.qualcomm.com Co-developed-by: Wei Deng Signed-off-by: Wei Deng Signed-off-by: Linghui Wu --- arch/arm64/boot/dts/qcom/Makefile | 2 + .../dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso | 122 ++++++++++++++++++ 2 files changed, 124 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 8329c06b60a3..037dbe8a39ce 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -410,10 +410,12 @@ dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk.dtb shikra-cqm-evk-imx577-camera-dtbs := shikra-cqm-evk.dtb shikra-cqm-cqs-evk-imx577-camera.dtbo shikra-cqs-evk-imx577-camera-dtbs := shikra-cqs-evk.dtb shikra-cqm-cqs-evk-imx577-camera.dtbo shikra-iqs-evk-imx577-camera-dtbs := shikra-iqs-evk.dtb shikra-iqs-evk-imx577-camera.dtbo +shikra-iqs-evk-m2-wifi-bt-dtbs := shikra-iqs-evk.dtb shikra-iqs-evk-m2-wifi-bt.dtbo dtb-$(CONFIG_ARCH_QCOM) += shikra-cqm-evk-imx577-camera.dtb dtb-$(CONFIG_ARCH_QCOM) += shikra-cqs-evk-imx577-camera.dtb dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk-imx577-camera.dtb +dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk-m2-wifi-bt.dtb dtb-$(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..ef0f197a53f8 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk-m2-wifi-bt.dtso @@ -0,0 +1,122 @@ +// 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 = <&expander3 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"; +}; + +&pcie { + iommu-map = <0x0 &apps_smmu 0x0800 0x0 0x1>, + <0x100 &apps_smmu 0x0801 0x0 0x1>; + pinctrl-0 = <&pcie_default_state>; + pinctrl-names = "default"; + vddpe-3v3-supply = <&m2_keye_3p3>; + wake-gpios = <&tlmm 119 GPIO_ACTIVE_LOW>; + + status = "okay"; +}; + +&pcie_phy { + vdda-phy-supply = <&pm8150_l12>; + vdda-pll-supply = <&pm8150_l9>; + + status = "okay"; +}; + +&pcie_port0 { + compatible = "pciclass,0604"; + reset-gpios = <&tlmm 118 GPIO_ACTIVE_LOW>; + + port { + pcie_port0_ep: endpoint { + remote-endpoint = <&m2_e_pcie_ep>; + }; + }; +}; + +&uart8 { + bluetooth { + status = "disabled"; + }; + + port { + uart8_ep: endpoint { + remote-endpoint = <&m2_e_uart_ep>; + }; + }; +}; + +&tlmm { + pcie_default_state: pcie-default-state { + clkreq-pins { + pins = "gpio117"; + function = "pcie0_clk_req_n"; + drive-strength = <2>; + bias-pull-up; + }; + + wake-pins { + pins = "gpio119"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; +}; + +&wifi { + status = "disabled"; +}; -- 2.43.0