2024年10月31日(木) 0:18 Krzysztof Kozlowski <krzk@xxxxxxxxxx>: > > On 28/10/2024 15:57, Akinobu Mita wrote: > >>>> > >>>> You described the desired Linux feature or behavior, not the actual > >>>> hardware. The bindings are about the latter, so instead you need to > >>>> rephrase the property and its description to match actual hardware > >>>> capabilities/features/configuration etc. > >>> > >>> Is this description okay? > >>> (Reused the description of retain-state-shutdown in leds-gpio.yaml) > >>> > >>> description: > >>> Retain the state of the PWM on shutdown. Useful in BMC systems, for > >>> example, when the BMC is rebooted while the host remains up, the fan > >>> will not stop. > >> > >> Nothing improved in the property. You still say what the system should > >> do. This is user-space choice, not DT. > > > > It seems better to implement it as a device attribute. > > I don't know about that. To repeat: if you say what system is supposed > to be doing, it is a policy. Describe the hardware and its configuration > and maybe this would be suitable for DT. Billy, could you please write a proper description for this property? I'm not the right person for this.