On Tue, Sep 15, 2020 at 08:31:55AM -0600, Rob Herring wrote: > On Tue, Sep 15, 2020 at 12:24 AM Andreas Kemnade <andreas@xxxxxxxxxxxx> wrote: > > On Mon, 14 Sep 2020 18:54:43 -0600 Rob Herring <robh@xxxxxxxxxx> wrote: [...] > > > Just move this to the parent and make the parent a pwm provider. There's > > > no need for child nodes for this or the rtc. > > > > > hmm, there are apparently devices without rtc. If there is a child node > > for the rtc, the corresponding devicetrees could disable rtc by not > > having that node. > > But maybe using the controller version is also feasible for that task. > > If not probeable, then the compatible string should distinguish that. Okay. It's even simpler in some cases: The firmware version reported by the EC should tell us if it's one that is known to have no RTC. That said, I don't have a good overview of the different variants of this device. Thanks, Jonathan Neuschäfer
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