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Wed, 04 Nov 2026 00:04:35 -0800 (PST) Received: from [192.168.226.1] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4d0e4467a7sm43308266b.42.2026.11.04.00.04.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Nov 2026 00:04:34 -0800 (PST) Message-ID: <02ebb6b5-4f74-41a3-b6ba-bd8ff24ef000@oss.qualcomm.com> Date: Wed, 4 Nov 2026 09:04:33 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 1/3] arm64: dts: qcom: nord: Add Ethernet support To: Shawn Guo Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mohd Ayaan Anwar , Zhangfei Gao , Bartosz Golaszewski , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261101080413.1428016-1-shengchao.guo@oss.qualcomm.com> <20261101080413.1428016-2-shengchao.guo@oss.qualcomm.com> <658a44f3-219e-4810-8931-192a26ebdc3b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMTA0MDAzMiBTYWx0ZWRfX2JS+t/R3DXco INzFJ0ne30XWMsl/ATW3S9HDM8ZGwPODUVLc0l6WK18LWuxnESI5YJxhxqde3mUWf5APyEV/4Cn 5ad6ITMl71pA7fP4EWDEdxG3lV3qPkY= X-Authority-Analysis: v=2.4 cv=AKV9GsJK c=1 sm=1 tr=0 ts=6aeae715 cx=c_pps a=P2rfLEam3zuxRRdjJWA2cw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=lNFNs5cjDqv29Spi1AsA:9 a=QEXdDO2ut3YA:10 a=ODZdjJIeia2B_SHc_B0f:22 X-Proofpoint-ORIG-GUID: VTB6s9PvM9gsmlO5BTn7j61HKyY7bICW X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA0MDAzMiBTYWx0ZWRfX0PzKtr34Pzve 3VSdd9YEs63g3BNV/yFHqiGI53GfMMFPLCnwBhM9zKilphVE3wux7bjPAsH5wdFgNOnJ+TM0NGs HZsowzkOPLbR5b+sut80ch+wVFqiN1jv5962I5F1c1KPK0OypVI2aib0+ZLXkT+QSfagzF5WliP 1Cbh6Vok+9iZFr+xRyPoKswYyIGDVdi4XE1RvHJBv/tlkxeXjkf6LrhO17F6FAuKmRDlAXvoapk dSL/NCbiZmb1vJaEpQ9/NH4csvzvd3QL41+8SbAtHtC2naPDVOJScWkr3f9twHjlJ1Jc2z2RLB/ mY7LHSJoiSFuXR61S85p5rESQeLdK7OFVE+nu5ob1+KyQN13ZI/bso4/Q/zksmTlUQN7zCoLZy6 sYck0DirFBCrdrMe+KuPDPgFQpTsVRTYKw6dQCLBbdGykxHzGwuq8wFBWKBTOvz2ROiqtP6YZH3 Xw1OtJNOEKR0EzfmshA== X-Proofpoint-GUID: VTB6s9PvM9gsmlO5BTn7j61HKyY7bICW 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=2026-11-04_01,2026-11-03_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 bulkscore=0 suspectscore=0 impostorscore=0 phishscore=0 spamscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611040032 On 11/4/26 8:59 AM, Shawn Guo wrote: > On Mon, Nov 02, 2026 at 04:01:03PM +0100, Konrad Dybcio wrote: >> On 11/1/26 9:04 AM, Shawn Guo wrote: >>> From: Mohd Ayaan Anwar >>> >>> Describe both Nord 10-Gbps Ethernet controllers, including their XPCS and >>> SerDes blocks, clocks, resets, power domains, interconnects, SMMU streams >>> and DMA queues. >>> >>> Signed-off-by: Mohd Ayaan Anwar >>> Signed-off-by: Shawn Guo >>> --- >> >> [...] >> >>> + phys = <&serdes0>; >>> + phy-names = "serdes"; >> >> I believe this holds for both GearVM and embedded, so you can move >> it to the common DTSI > > No, this doesn't apply to GearVM. The SerDes is owned entirely by the SCMI > server firmware for GearVM variant. LDOs, clkref, reset, and the per-speed > PLL/RX/TX programming driven by an SCMI perf domain whose level is > the link speed. Right, but I meant the assignment to the EMACs specifically Konrad