From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Wei Deng <wei.deng@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Manivannan Sadhasivam <mani@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
Chen-Yu Tsai <wenst@chromium.org>,
quic_chezhou@quicinc.com, cheng.jiang@oss.qualcomm.com,
shuai.zhang@oss.qualcomm.com, jinwang.li@oss.qualcomm.com,
xiuzhuo.shang@oss.qualcomm.com, mengshi.wu@oss.qualcomm.com
Subject: Re: [PATCH v3 3/3] arm64: dts: qcom: hamoa-iot-evk: Describe the PCIe M.2 Key E connector
Date: Wed, 29 Jul 2026 12:45:04 +0200 [thread overview]
Message-ID: <805bbf27-450a-44e6-ac70-91b594be6656@oss.qualcomm.com> (raw)
In-Reply-To: <20260729-hamoa-m2-dts-v2-v3-3-4d7ef9274575@oss.qualcomm.com>
On 7/29/26 12:27 PM, Wei Deng wrote:
> The Hamoa IoT EVK has a PCIe M.2 Mechanical Key E connector for wireless
> connectivity cards exposing Wi-Fi over PCIe and Bluetooth over either
> UART or USB, depending on the card variant.
>
> Describe the connector node with:
> - port@0: PCIe for Wi-Fi, linked to pcie4_port0
> - port@2: USB for Bluetooth (USB variants), linked to usb_2 port@1
> - port@3: UART for Bluetooth (UART variants), linked to uart14
>
> This allows the pwrseq-pcie-m2 driver to manage card power and
> dynamically create the UART serdev for UART BT variants, while USB
> BT variants are enumerated via the USB hub pwrseq path.
>
> Remove the chip-specific wcn7850-pmu node, the static bluetooth
> serdev under uart14, and the wifi@0 PCI child node, as the M.2
> connector approach replaces WCN7850-specific power sequencing with
> a chip-agnostic model.
>
> Also remove the now-unused vreg_wcn_0p95 and vreg_wcn_1p9 dummy
> fixed regulators whose only consumers were the wcn7850-pmu node.
>
> Signed-off-by: Wei Deng <wei.deng@oss.qualcomm.com>
> ---
> @@ -538,6 +512,55 @@ vreg_wwan: regulator-wwan {
> regulator-boot-on;
> };
>
> + wifi-bt-connector {
[...]
This node is out of sorting order now
> sound {
> compatible = "qcom,x1e80100-sndcard";
> model = "X1E80100-EVK";
> @@ -677,66 +700,9 @@ usb_1_ss0_sbu_mux: endpoint {
> };
> };
Konrad
prev parent reply other threads:[~2026-07-29 10:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-29 10:27 [PATCH v3 0/3] arm64: dts: qcom: hamoa-iot-evk: Enable " Wei Deng
2026-07-29 10:27 ` [PATCH v3 1/3] arm64: dts: qcom: hamoa: Number usb_2 HS port and add M.2 endpoint stubs Wei Deng
2026-07-29 10:46 ` Konrad Dybcio
2026-07-31 7:33 ` Wei Deng
2026-07-31 14:42 ` Konrad Dybcio
2026-07-29 10:27 ` [PATCH v3 2/3] arm64: dts: qcom: hamoa: Add compatible to the PCIe Root Port Wei Deng
2026-07-29 10:27 ` [PATCH v3 3/3] arm64: dts: qcom: hamoa-iot-evk: Describe the PCIe M.2 Key E connector Wei Deng
2026-07-29 10:45 ` Konrad Dybcio [this message]
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