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Tue, 20 Oct 2026 00:01:20 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b38a1ea92asm4659866a12.36.2026.10.20.00.01.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Oct 2026 00:01:18 -0700 (PDT) Message-ID: <2640c0d2-e251-4f7e-a6f8-44bf721341ac@oss.qualcomm.com> Date: Tue, 20 Oct 2026 09:01:14 +0200 X-Mailing-List: linux-gpio@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 v2] arm64: dts: qcom: sda660-inforce-ifc6560: fix ADV7535 interrupt pin To: Dmitry Baryshkov , Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Marijn Suijten , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Abel Vesa References: <20261019-ifc6560-adv-v2-1-ade625df3fe3@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261019-ifc6560-adv-v2-1-ade625df3fe3@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=aIplOr9m c=1 sm=1 tr=0 ts=6ad711c2 cx=c_pps a=N1BjEkVkxJi3uNfLdpvX3g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=ajiliMmGaEjDzu8pHK0A:9 a=QEXdDO2ut3YA:10 a=crWF4MFLhNY0qMRaF8an:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDAyNyBTYWx0ZWRfXyneAODPGw88H bPzCPm+Kttqk4MF8ibH4q0iN482pULzK8dPJJ3Vhc/BOINCo/m33h1bQWh4lEHFxM9bUTczDr7m 9sDiQbjvVdzbwboeBIsvJxip3eun8BQ= X-Proofpoint-GUID: WEFsfL4-R-CSrYpq098rJ0gJwrP3SM47 X-Proofpoint-ORIG-GUID: WEFsfL4-R-CSrYpq098rJ0gJwrP3SM47 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDAyNyBTYWx0ZWRfX4tMgAKN+2m5l 4g/OyeqWKFvHSXfA2UuKAjE/OKA6Ynt1lmLWmyDym0ZSXsLA82tQHHrOB3WkHHSqOuwzkWMoK9r m0uOPReDf120FAPwVjQsjPZ3nXI7QrHpB30bNDoUSN844HmPSc3aK4DQSTifpQoULNdTjU0I18x qDta64O/WSpktWIKaPy6vkgrCB5lPR+vb6ulxlfg94gIlpdO7wxyHqxmewJRnRG0iwQyXypAGSA 6m77dba9gwpGFLV+IXwbiBx0L7Blzq1LIZbLzaxayclZ4WhrVVahcEm+exxbKeQlCK/JZ5hzoKK qbELyPbZ1NQo0a8kwYY4z+fE340VLwdPyLrbXdrEUidcFdPLD9qOXmblAAF4FAfu1ssE/xx6g+f do/RkIM6OOM/GKAnp6Gp5rqUzLm/p3SXz0mmxMGz2I3Tj1qJR6IbLiGTZid5hdQbqMm2pfIIykB 14A51jAOccDQk/hfEEQ== 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 malwarescore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 impostorscore=0 phishscore=0 priorityscore=1501 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200027 On 10/19/26 4:30 PM, Dmitry Baryshkov wrote: > Probing the ADV7535 HDMI bridge fails on the IFC6560: > > gpio gpiochip3: (800f000.spmi:pmic@2:gpio@c000): gpiochip_lock_as_irq: tried to flag a GPIO set as output for IRQ > gpio gpiochip3: (800f000.spmi:pmic@2:gpio@c000): unable to lock HW IRQ 10 for IRQ > > The bridge's interrupt line is PM660L GPIO11, but the board never > configures that pad. pmic_gpio_populate() reads back the state left by > the bootloader, which is PMIC_GPIO_MODE_DIGITAL_OUTPUT, so > pmic_gpio_get_direction() reports GPIO_LINE_DIRECTION_OUT and > gpiochip_lock_as_irq() refuses the line. Requesting the interrupt then > fails and the bridge does not probe. > > Add a default pinctrl state switching the pad to digital input, applied > by pinctrl_bind_pins() before the driver requests the interrupt. The > ADV7535 INT pin is open-drain and pulled up on the board, so leave the > internal bias disabled. > > Fixes: 34279d6e3f32 ("arm64: dts: qcom: sdm660: Add initial Inforce IFC6560 board support") > Reviewed-by: Abel Vesa > Signed-off-by: Dmitry Baryshkov > --- Reviewed-by: Konrad Dybcio Konrad