Cristian Ciocaltea wrote: > On 11/28/23 02:40, Cristian Ciocaltea wrote: > > On 11/26/23 23:10, Emil Renner Berthing wrote: > >> Cristian Ciocaltea wrote: > >>> The BeagleV Starlight SBC uses a Microchip KSZ9031RNXCA PHY supporting > >>> RGMII-ID. > >>> > > [...] > > >> You've alse removed the phy reset gpio on the Starlight board: > >> > >> snps,reset-gpios = <&gpio 63 GPIO_ACTIVE_LOW> > >> > >> Why? > > > > I missed this in v1 as the gmac handling was done exclusively in > > jh7100-common. Thanks for noticing! > > Hi Emil, > > I think the reset doesn't actually trigger because "snps,reset-gpios" is > not a valid property, it should have been "snps,reset-gpio" (without the > trailing "s"). > > However, this seems to be deprecated now, and the recommended approach > would be to define the reset gpio in the phy node, which I did in [1]. > > Hopefully this won't cause any unexpected behaviour. Otherwise we should > probably simply drop it. > > [1]: https://lore.kernel.org/lkml/20231215204050.2296404-8-cristian.ciocaltea@xxxxxxxxxxxxx/ Oh, nice catch! With your v3 patches the Starlight board still works fine and GPIO63 is correctly grabbed and used for "PHY reset". /Emil