On Tue, 4 Mar 2025 at 09:37, Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx> wrote: > > On 3/4/25 01:53, Dmitry Baryshkov wrote: > > On Tue, Mar 04, 2025 at 12:55:21AM +0200, Vladimir Zapolskiy wrote: > >> SM8550 Camera Clock Controller shall enable both MXC and MMCX power > >> domains. > > > > Are those really required to access the registers of the cammcc? Or is > > one of those (MXC?) required to setup PLLs? Also, is this applicable > > only to sm8550 or to other similar clock controllers? > > Due to the described problem I experience a fatal CPU stall on SM8550-QRD, > not on any SM8450 or SM8650 powered board for instance, however it does > not exclude an option that the problem has to be fixed for other clock > controllers, but it's Qualcomm to confirm any other touched platforms, Please work with Taniya to identify used power domains. > for instance x1e80100-camcc has it resolved right at the beginning. > > To my understanding here 'required-opps' shall also be generalized, so > the done copy from x1e80100-camcc was improper, and the latter dt-binding > should be fixed. Yes -- With best wishes Dmitry