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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: XMVg6Lzbzql0OzzRQ//Y7W6JOayjEdVl3aZQa5w7Gz4WaQVa3owTcvH9PanNR/HjCtOewpGXYwp0XjK1Xxto+xAqgEqz7Ap3jE/yJZWGQwK4WHN/GHPdAXdH8CFp5FJBNtjudtBnZRDLeDYsJLuu/ogpPARVFXR65TXEgQWRJ8StQrbjBtIa8eF8ho45w/5p005ZQwPRrMp4RrrRS19g4AXK59n4RDUJx8282YK2o6KO80jCwlBD0boCEEan6Rpxjx6ysT7jPkuEfP3++1UU7/zx4QN+uL3LknF8YpidfSYZUjv40+1xlT1/nJBsuQIX6NiZx02fT42i8S1O0nIQR4/DacP1zRNiekaPiUkTxydCzlg+O+gD6vbs1GJdDO6heUJSN5EikVblRGgftxdkN3IKDfWG46wlWWptJ9IK+sO9m5/kQm0MiYM2NXyLngLF X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 May 2026 16:14:31.5428 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d0075a2-476f-43c2-c847-08debd9d5dee X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF0000468A.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB4334 On 18:02-20260529, Francesco Dolcini wrote: > On Fri, May 29, 2026 at 10:53:45AM -0500, Nishanth Menon wrote: > > On 17:11-20260522, Vitor Soares wrote: > > > + touchscreen@41 { > > > + compatible = "ilitek,ili2132"; > > > + reg = <0x41>; > > > + pinctrl-names = "default"; > > > + pinctrl-0 = <&pinctrl_dsi1_int>, <&pinctrl_i2s_2_bclk_gpio>; > > > + /* Verdin GPIO_9_DSI (SODIMM 17) - TOUCH_INT# */ > > > + interrupt-parent = <&main_gpio1>; > > > + interrupts = <49 IRQ_TYPE_EDGE_RISING>; > > > > https://lore.kernel.org/r/20260521152550.A928B1F000E9@smtp.kernel.org > > https://lore.kernel.org/r/20260522140245.472651F000E9@smtp.kernel.org > > Sashiko comment would probably be good to explain - I see the same in > > v3. > > The interrupt pin of the ilitek,ili2132 touch controller is a very short > pulse, the net name TOUCH_INT# is on the board side and it is generic, > not specific on the touch controller used. > > Both falling and edge would work fine. > > The reason for using rising is that for the way the HW is designed the > interrupt signal is not that "clean", and triggering on the falling edge > produce some spurious interrupt. Those spurious interrupts are handled > nicely by the driver, but they pollute the kernel logs for no reason. > > > Nishanth: in general do you want an explicit answer to every comment made my > sashiko? Would be nice - or a comment in the code.. had me curious as well, when i saw one dtso do it one way and the other do it the other way.. kinda peaked interest.. ;) -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D https://ti.com/opensource