On Wed, May 29, 2024 at 02:13:37PM +0200, Peter Rosin wrote: > Hi! > > 2024-05-29 at 11:17, Bastien Curutchet wrote: > > I2C MUXes described by the i2c-gpio-mux sometimes need a significant > > amount of time to switch from a bus to another. When a new bus is > > selected, the first I2C transfer can fail if it occurs too early. There > > is no way to describe this transition delay that has to be waited before > > starting the first I2C transfer. > > > > Add a 'transition-delay-us' property that indicates the delay to be > > respected before doing the first i2c transfer. > > The io-channel-mux has a property with very similar intent named > settle-time-us [1]. I think we should use the same name here. > > [1] Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml Agreed. I knew we had something and went looking... I only checked the base mux and i2c mux bindings. Rob