Re: [PATCH v4 1/3] dt-bindings: touchscreen: trivial-touch: Drop 'interrupts' requirement for old Ilitek
From: Marek Vasut
Date: Sat Jan 17 2026 - 10:33:43 EST
On 1/17/26 12:22 PM, Krzysztof Kozlowski wrote:
On Sat, Jan 17, 2026 at 01:12:02AM +0100, Marek Vasut wrote:I am not sure about the other non-ilitek devices, but the fruitboards do use at least goodix and etm/edt touch controllers without interrupt line too, those I have on my desk (those two have separate, more extensive, binding document). I also suspect we will see more of those touch controllers with optional interrupt line, so if we do, I think we can re-combine the binding documents again ?
The old Ilitek touch controllers V3 and V6 can operate without
interrupt line, in polling mode. Drop the 'interrupts' property
requirement for those four controllers. To avoid overloading the
trivial-touch, fork the old Ilitek V3/V6 touch controller binding
into separate document.
One if: block is fine, so IMO, this should stay in original binding
especially that more devices like some azoteq or semtech might have same
rule of not requiring interrupt line. Anyway, no big deal.