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Tue, 20 Oct 2026 00:35:24 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4091eb14a7sm471411166b.76.2026.10.20.00.35.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Oct 2026 00:35:23 -0700 (PDT) Message-ID: Date: Tue, 20 Oct 2026 09:35:19 +0200 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 3/3] arm64: dts: qcom: Add Samsung Galaxy Book2 Go To: Luca Weiss , Dmitry Baryshkov Cc: Douglas Anderson , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , cros-qcom-dts-watchers@chromium.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Jasper Korten , Federico Amedeo Izzo , Luca Weiss , Hans de Goede References: <20261012-book2go-v1-0-7188e7ea7a15@fairphone.com> <20261012-book2go-v1-3-7188e7ea7a15@fairphone.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=DrrDa2/+ c=1 sm=1 tr=0 ts=6ad719be cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=b7wq30jk4QowdIX3xroA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDAzMCBTYWx0ZWRfX67dNjf/CLvVl 5H1nG2ZPkkMZVxRPkzSJgduXQdkUwl2tHhOIDruf8s0eF+l5UVGbInju+VIx9rRZy+DogktgY4B jFsNk9Lgx1dF36FXsUlrmMyXWOXEvI72uFlllMRcDTdbnwD9zFjJOa1LsvJqvubDpOYI+M6GycU tamSGqpmbkiADlpploLra3kpwWw5oQjltC46CcJ77NdN6OvgUW4BDj9eEILXMS7Ijm6R8juPuWX hVDZyX4hOzAHOOMY82ivANENeQS6fmcXuilJI6G1Jqtxlfy2cUW0ekddPMp080TPMfOlcN+0Pnd TbpHdmcjGFCx7NIG3AEDaPy+usj8y/Btg7Ey7lwhRp2AE1MtkFX3mlEmDpVkXaOgB6+VvRluUMg uwN19WEw4f4UnbqhjCjQM8niJZAyeKrmZ529x6bgVuKtCkgaC+MoRmkwUYUNHx1ZvD7aLXPpgMN 7otl3wviV5cmdWlBdpQ== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDAzMCBTYWx0ZWRfX3S+lJQNqPKvX FLdsiVWDNI1jFLtSUqX47nLOTAtRUKT9umaq4hkQTP0eyLzPvpcDMdNCgeVc3sGHyAuIDe3hgXt nPQ3RfrffGJf/UJMontLzCRDCdkfgwM= X-Proofpoint-GUID: JH3OR6RkNIVjrUqk2KAqv2j4ycdK03XQ X-Proofpoint-ORIG-GUID: JH3OR6RkNIVjrUqk2KAqv2j4ycdK03XQ 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=2026-10-20_01,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 phishscore=0 spamscore=0 adultscore=0 suspectscore=0 bulkscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200030 On 10/14/26 9:13 AM, Luca Weiss wrote: > On Wed Oct 14, 2026 at 3:28 AM CEST, Dmitry Baryshkov wrote: >> On Tue, Oct 13, 2026 at 12:17:05PM +0200, Luca Weiss wrote: >>> On Tue Oct 13, 2026 at 12:10 PM CEST, Konrad Dybcio wrote: >>>> On 10/12/26 8:11 PM, Luca Weiss wrote: >>>>> From: Jasper Korten [...] >>>> I'm assuming there's no pmic-glink on this device? >>> >>> I'm not quite sure yet how the USB stuff works. For sure from >>> observation, USB-C only works when stuff was plugged-in at boot time >>> (UEFI?), and charger also only supplies any power (but not actually >>> charging) when plugged in at boot time. >> >> This means that something is not 100% correct, for example, missing EC >> support. > > For sure some bits are missing. This laptop doesn't have an EC per-se, > it's got a "EMEC" - Emulated EC, where on Windows there's just a bunch > of drivers handling EC-like functionality. > > So e.g. already for battery, we just talk with the sbs-battery directly. > I assume this will be the case for the other components on this laptop > as well. I guess sweeping the i2c busses would be a good start. The other day we got a contribution for a SM8550-based Samsung tablet which also didn't have pmic-glink, but used a SM5714 IC instead: https://lore.kernel.org/linux-arm-msm/f7ba4d5a-0e8c-417d-a1fd-5b5e392df71a@dxdmail.cc/ Konrad