Hello, On Wed, Dec 12, 2018 at 11:09:10PM +0100, Paul Cercueil wrote: > The PWM in the JZ4725B works the same as in the JZ4740, except that it > only has 6 channels available instead of 8. this driver is probed only from device tree? If yes, it might be sensible to specify the number of PWMs there and get it from there. There doesn't seem to be a generic binding for that, but there are several drivers that could benefit from it. (This is a bigger project though and shouldn't stop your patch. Still more as it already got Thierry's ack.) Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |