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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bd4f4e35ae3sm208702566b.46.2026.05.15.04.28.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 May 2026 04:28:02 -0700 (PDT) Message-ID: Date: Fri, 15 May 2026 13:28:00 +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: Support for Lenovo IdeaCentre Mini X (Purwa) To: Mostafa Saleh Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org References: <20260429141815.827157-1-smostafa@google.com> <5c838838-00e5-45f2-9515-edbdcddf50ec@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: j36ghNcx8VCwjWHCdSrzqZOnduoCHGmu X-Proofpoint-ORIG-GUID: j36ghNcx8VCwjWHCdSrzqZOnduoCHGmu X-Authority-Analysis: v=2.4 cv=GrhyPE1C c=1 sm=1 tr=0 ts=6a070345 cx=c_pps a=wuOIiItHwq1biOnFUQQHKA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=FLMWTHjliotF7KI-E18A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=XD7yVLdPMpWraOa8Un9W:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE1MDExNSBTYWx0ZWRfXwAixVZq7gp3F sGEur9HVauWFXDRHPDkl9eIMNSwIt258tsYRcEO81WZvdqwHODY5G2QiyuIX1rXtxhoPcdErzXH 0QNC5a1L28YsAXMpW35VZWlkohwhu3/mNcoW0MkJWky2zVtjpt0vBnXcGiP/1KB4c/vE2LlJpth dPfiQ+iigHgi2mGb8ceNfovFLPqWDQgi1qxSZwzI9eh15mF5QTbYO0xYqWEOWelQWCt4HYysHz9 I9aP0YazlXuSqM7ltoT6v23hbx8lr+6ZFEc7hJNUWHi/xA3bJsUir+va2rVxdA6THqYXhgc0yef puYLS3jrrCP3Qb7AYYeAMoXPVjEL8GW5JsKaOfcV2LNOmXuFoW5NQ5Zo2jblW2xBCWxRhgEgNA9 /+n2GbrZugDh22JBvr7163IJanqHNp9BTQMphMvjzrlp+qKxHnwOPyaTMxHt7POoaVJg7KSTZ+1 a2cLNbWMBfEc1tdXrfg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-15_02,2026-05-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 adultscore=0 bulkscore=0 spamscore=0 suspectscore=0 impostorscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605150115 On 4/30/26 7:22 PM, Mostafa Saleh wrote: > Hi Konrad, > > On Thu, Apr 30, 2026 at 06:48:33PM +0200, Konrad Dybcio wrote: >> On 4/29/26 4:18 PM, Mostafa Saleh wrote: >>> Hi, >>> >>> I see that recently the support for “Lenovo IdeaCentre Mini X” was >>> added [1] >>> However, unfortunately that doesn’t work for my device, the board >>> resets once I try to boot the kernel from UEFI. >>> >>> I believe that’s because it is another variant, as I have been using >>> my device tree for some time[2] which is hacked based on the crd >>> device tree with some trial and error. With that I can boot with >>> PCI/NVME/Ethernet and USB (there are also some other errors in the >>> log related PMIC), this device tree is based on purwa.dtsi unlike >>> the upstream one which use hamoa.dtsi. >>> >>> Are there any plans to support the Purwa based variant? I am happy to >>> help with testing, but I can’t confidently send patches as my device >>> tree is based on trial and error rather than a data sheet. [...] > I can try to see the differences and build another dt on top of the > hamoa one, but that will also be based on trial and error rather than > actual knowledge, I am happy to test patches if you have other > suggestions. Hm, I ran a quick diff and even though there's a lot of noise (mostly due to the same things being named slightly differently), the actual meat and potatoes aren't very different at all, e.g. the PHY regulators are the same Could you post the full dmesg with both DTs? Konrad