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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b734fda97dbsm1048967366b.59.2025.11.17.03.54.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Nov 2025 03:54:24 -0800 (PST) Message-ID: Date: Mon, 17 Nov 2025 12:54:22 +0100 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 2/2] arm64: dts: qcom: add apq8096sg-db820c, AP8096SG variant of DB820c To: Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251111-db820c-pro-v1-0-6eece16c5c23@oss.qualcomm.com> <20251111-db820c-pro-v1-2-6eece16c5c23@oss.qualcomm.com> <02a9d6eb-e480-431b-bd4c-a35cee170516@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-GUID: mnJwVHhpm3XRPKJkJCv2kZAYWxVNEl4u X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE3MDEwMCBTYWx0ZWRfX4uYwVMjpyq4N abMSf5SkYvNXZUN4croRgYlYTPtQB93JV3Oow/2R7+PLN2zBf+VtVhL6NSqyKOKGVrtxW2vGxNj +iZ55bYdDnDlVzoogDvpEDEIaZ+OfE8vmOrDYBMmQ8vH4Mkvi7+/lSjSqjwpO9xEgBlMf5XZXiP EgD29nvFq8qysXhRn0uI4Wrv4SvKqqMK3YlJxs359jIC9CUq15FVpxSRUW4MRB8DF2Bbl8BpZeV si72cX/c/Bl1qTrA3IQ763p9mXQL4xTPILtKOwbxpSqRAIzpnWD8lRjxjCb93rAQ1EtRyPi035f JD4cVGWNxCZjfFDPe30lD8F9OBydU8+6YFlXdbHS1PkJ5SveV/DeWzJup93qbycWKjG/+E1z0o5 yfMnTjdu1ggfMS5/RdIcV6cr9/Qvdw== X-Authority-Analysis: v=2.4 cv=Cryys34D c=1 sm=1 tr=0 ts=691b0cf2 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=Y6j_kuvsfqa4fEXeYSUA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: mnJwVHhpm3XRPKJkJCv2kZAYWxVNEl4u X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-17_02,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 adultscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511170100 On 11/15/25 1:09 AM, Dmitry Baryshkov wrote: > On Fri, 14 Nov 2025 at 23:31, Konrad Dybcio > wrote: >> >> On 11/13/25 9:32 PM, Dmitry Baryshkov wrote: >>> On Wed, Nov 12, 2025 at 10:44:49AM +0100, Konrad Dybcio wrote: >>>> On 11/11/25 5:02 PM, Dmitry Baryshkov wrote: >>>>> There has been a (rare) varint of Dragonboard 820c, utilizing Pro >>>>> version of the SoC, with the major difference being CPU and GPU clock >>>>> tables. Add a DT file representing this version of the board. >>>> >>>> So is the conclusion that both flavors were used? >>> >>> Yes. I have had a production unit with a non-SG flavour. Bjorn's lab >>> has a standard one too. All units in Collabora lab are Pro ones. >> >> Pro doesn't necessarily have to == SG, this seems to be sort of > > My understanding was that APQ8096SG is modem-less MSM8996Pro. > >> a "MSM8996Pro" and "QCM8996Pro" situation. > >> I'm hoping that speedbin >> fuse values don't have different meanings for mobilePro and SG > > At least downstream doesn't have separate bins for APQ versions. arch/arm64/boot/dts/qcom/msm8996pro.dtsi: qcom,msm-id = <305 0x10000>; arch/arm64/boot/dts/qcom/msm8996pro-v1.1.dtsi: qcom,msm-id = <305 0x10001>; this is interesting, perhaps Pro==SG then I also found evidence that there exist allOf (MSM/APQ)(Pro/not)(Auto/not) in the form of: msm-id | sku 246 mobile 291 apq 305 msm-pro 310 msm-auto 311 apq-auto 312 apq-pro 315 msm-pro-auto 316 apq-pro-auto and apparently upstream dt-bindings also defines 302/MSM8996L(ite?) Konrad