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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8e9fef001csm206756966b.44.2026.02.05.00.52.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Feb 2026 00:52:08 -0800 (PST) Message-ID: Date: Thu, 5 Feb 2026 09:52:06 +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] arm64: dts: qcom: qcs6490: Add Thundercomm AI Mini PC G1 IoT To: Roger Shimizu 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: <6cd569ad19ae8efb5f4244b3aa185754@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA1MDA2MyBTYWx0ZWRfXzIS5Qd4sxzJG 0GukLgHazBxfrGB/EtGf8IntgXD0bpaGXeHvxo9kryI9ShfXQNOmgX4m90FQ4mFZ0//qzJ4Qwc7 rvAx0V2mzMBW3L7CkvR+EVGRsvOeEKJZMwzPIyKSeLOZhgu2Nu5fX2CyskH49izgTZv8S8EI5KX LOf+Z/Q7Voqd4qHGFqvChznte8CsJ73o3OaC+0Q1VV/HzPvCPsfS31dHMa258Kn6IOIciW1rxWH MChQW7RBERu8v1cco+D3/vT6l9wDXb9Ty5o59a3JHdlGtljFxGieuhHzaXxbmd/ocSYozcjP0fd SlPmbd9ihzjaYq/WOSSVQFSbdr+ImkV8FSHk2Fr+1nASCWXP8T4UlJeipN3ZTj3ActZKEJ3QKEs 75QMEGaX9PJBQkEb62b1YsZr50boVpcCnlUEfySCX8MuS/lK91cF1kLpHSnSsEFGuj9xwIHQWfi khZbdTPlttOOMRoEgww== X-Proofpoint-ORIG-GUID: GaSKsC6l_obZ2ds9aAMkNVUBjdtXHKV0 X-Proofpoint-GUID: GaSKsC6l_obZ2ds9aAMkNVUBjdtXHKV0 X-Authority-Analysis: v=2.4 cv=Z6zh3XRA c=1 sm=1 tr=0 ts=69845a3a cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=xNf9USuDAAAA:8 a=iwPp0qcm3xoi09PGkWYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-05_01,2026-02-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602050063 On 2/5/26 1:04 AM, Roger Shimizu wrote: > Thanks Konrad for the review! > > On Wed, Feb 4, 2026 at 1:21 AM Konrad Dybcio > wrote: >> >> On 1/31/26 11:31 AM, Roger Shimizu wrote: >>> Thundercomm AI MiniPC G1 IoT is single board computer with >>> AI capability based on Qualcomm QCS6490 platform. >>> >>> This device tree is confirmed to work as below: >>> - GPU >>> - HDMI output port >>> - PCIe M.2 port (for external Wi-Fi or 5G connectivity) >>> - UART / serial console port >>> - UFS >>> - USB Type-C port, with Display Port >>> >>> Signed-off-by: Roger Shimizu >>> --- [...] >>> + vreg_s1b_1p872: smps1 { >>> + regulator-name = "vreg_s1b_1p872"; >>> + regulator-min-microvolt = <1840000>; >>> + regulator-max-microvolt = <2040000>; >> >> Have you cross-checked the regulator settings against the original >> vendor-provided sw? > > No. Those are from RB3 Gen2. So far there's no issue. > If there's an issue, we can fix it later. The issue may be that once you enable one of these regulators, you'll see magic smoke.. please cross-check it >> [...] >> >>> +&pon_pwrkey { >>> + status = "okay"; >>> +}; >> >> This one is already enabled > > May I know where it's enabled? > From my search, pon_pwrkey is defined in: > arch/arm64/boot/dts/qcom/pmk8350.dtsi, which is disabled. Right, I must have misread. Konrad