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Mon, 14 Sep 2026 03:45:14 -0700 (PDT) X-Received: by 2002:a05:620a:2b9c:b0:931:23a:83ca with SMTP id af79cd13be357-93a29a3892fmr207713785a.4.1789382713879; Mon, 14 Sep 2026 03:45:13 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a9b58f8528sm4027243a12.5.2026.09.14.03.45.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Sep 2026 03:45:13 -0700 (PDT) Message-ID: <67557983-fb7b-456a-828b-d9c73ce1eada@oss.qualcomm.com> Date: Mon, 14 Sep 2026 12:45:11 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/5] arm64: dts: qcom: nord-ride-embedded: Add WCN7850 WLAN support To: Shawn Guo , Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Krishna Chaitanya Chundru , Yu Zhang , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260914071944.164217-1-shengchao.guo@oss.qualcomm.com> <20260914071944.164217-5-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260914071944.164217-5-shengchao.guo@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE0MDE1NCBTYWx0ZWRfX1UXnSqKRHzL6 OjzdsR7KkejwwDolWLzTTfEkMF5aZkRbM7xGEfeqAIt6TCA5VIMvtH6TCnH9b85vmSWOwYxjV4s RwpJsLq8ACcPi1xtDAlW1wcvBeh7Pr94xrdF46Ny9y6krntecFcifwWc2F6jIP2Ir+zL+p7K/S5 /d0qlu36Ju3E3fJgFaaLDj7c2F+j4Oap4gpipc5CWoWjeppBkl8Q4oeIbRyqJCAgI71idU6/DEz pf6EbXZQ+VJ6rqirHlVjHUsM5QHa0sHUsY/P7DFsgpWwzJz5lycajuSCuPO6w55rncqvSoruPM5 xz/i3c/I1YLiPuscdLMugzgpoxUR3LYZP9ekNQ/CwkOPm/NVMJ6nGbJqRWzYFYxMN7yL6O/0nwi rjayMopF/b243AxZUTyPH41mTW3dIsxtJADmuRYiqR2sZonPUQY+hqE0yyudq6A7Lulwdjuq+ca 4nunxElCVW2rEbSVWrA== X-Authority-Analysis: v=2.4 cv=IZwSymqa c=1 sm=1 tr=0 ts=6aa7d03f cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=QryoO0P2UFxYqXaw9vcA:9 a=QEXdDO2ut3YA:10 a=zgiPjhLxNE0A:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: 89gMcHRJtHHXC7lqIhTv5B13zppJkVv1 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE0MDE1NCBTYWx0ZWRfXz8v6hMRY8nMZ vKgD1eZZnB2zHiJxyn1F+ne+qKNQREmmw1pT5jT4YyqUgB6LGl/DitFmjcrcb6P8yTag39JwIWv Ylf46q5cFlVvorMcWGoHCdwUHqG2SGk= X-Proofpoint-ORIG-GUID: 89gMcHRJtHHXC7lqIhTv5B13zppJkVv1 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=2026-09-14_03,2026-09-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 impostorscore=0 malwarescore=0 phishscore=0 clxscore=1015 bulkscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609140154 On 9/14/26 9:19 AM, Shawn Guo wrote: > From: "Yu Zhang(Yuriy)" > > The Nord Ride Embedded board carries a QCA6797AQ (WCN7850) LGA module on > a connectivity adapter card hanging off PCIe2. Two PMIC GPIOs gate the > module supplies: PWR_CORE (pmau0102_e GPIO6) enables the DBU_CORE_VL, > DBU_CORE_VM and DBU_CORE_VH regulators feeding VDD_CORE_VL/VM/VH, and > PWR_CTRL1 (pmau0102_e GPIO8) enables DBU4, which produces the 3.3 V rail. > PWR_CTRL2 drives DBU3, which is not populated, so it is left alone. > > Describe those rails, the WCN7850 PMU that derives the chip supplies from > them, and the PCIe endpoint node consuming the PMU outputs. > > Signed-off-by: Yu Zhang(Yuriy) > Signed-off-by: Shawn Guo > --- Reviewed-by: Konrad Dybcio Konrad