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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b5ccccaaba9sm2866166b.55.2025.10.14.08.17.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Oct 2025 08:17:58 -0700 (PDT) Message-ID: Date: Tue, 14 Oct 2025 17:17:56 +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: [PATCH v2 3/6] arm64: dts: qcom: r0q: add touchscreen support To: Ghatto Cc: Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251014044135.177210-1-ghatto404@gmail.com> <20251014044135.177210-4-ghatto404@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-ORIG-GUID: 9_fBO4TBInKtjvnr_6lM55M6BgjFJTC1 X-Authority-Analysis: v=2.4 cv=MrNfKmae c=1 sm=1 tr=0 ts=68ee69a9 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=NEAV23lmAAAA:8 a=EUspDBNiAAAA:8 a=Kc_O4qD3dURwiZ8RncUA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: 9_fBO4TBInKtjvnr_6lM55M6BgjFJTC1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDExMDAxOCBTYWx0ZWRfX7HRNu+WRI+Co /P6P9W2T1Yd8WR/QzdFmVLYuBpdrdnY/t1koXZWJwWtxFC8PG6dFnZAWnyFRO4r3uBN9Xba38Y+ 3SD/j7bw2vNdrtP8bSO9rklAfsAYQ7tJcJwcL8Fy+pLE/ETaBsW1Kv4BMn5sy0bxgPYgm17Kauq g7OGbB9T9N4bHY+XaW2DcCEK5TqxBB75sKy2f7OfwW51baUNSPpzkfmbgF6fJDL5BpWPL/nrEdx yPcvpeNW4+egZXISlRkbNXlJBKb6qQqzEZHirzXjVqw0i2sZ3qIiD1TGqbmqT9w8CGJdwRuXPaL VewwRbNRTMo8uoySj3ukAEsEQvrBy80MLb0lXGMExkIF5sXBnIjVSBYD4FcrcOoQsU2zLHoUfL3 SyDL5J/WSI0CMVfO5gdzYnsETq5lOQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-14_03,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 clxscore=1015 adultscore=0 phishscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110018 On 10/14/25 5:10 PM, Ghatto wrote: > On Tue, Oct 14, 2025 at 7:01 AM Konrad Dybcio > wrote: >> >> On 10/14/25 6:41 AM, Eric Gonçalves wrote: >>> Enable the ST-Microelectronics FTS2BA61Y touchscreen. This patch >>> depends on "Input: add support for the STM FTS2BA61Y touchscreen". >> >> The second sentence doesn't really make sense to be included in >> the git log > I'll keep it to the cover letter then >> >>> The device has an issue where SPI 8 (the bus which the touchscreen is >>> connected to) is not working properly right now, so >>> spi-gpio is used instead. >> >> Some Samsung devices used to use spi/i2c-gpio intentionally, also >> on downstream. I'm assuming this isn't the case for r0q. > It isn't, the device uses fts2ba61y on the spi8 bus - I hosted the > DT at https://github.com/ghatt-o/ss_experiments/blob/main/r0q.dts if you > want to take a look. >> >> Did you enable gpi_dma1, qupv3_id_1 before spi8, when testing > The driver probes, but it fails to recognize the touchscreen device Could you post a complete dmesg and the precise DT diff you used? Konrad