On 20.01.2025 3:41 PM, Johan Hovold wrote: > On many Qualcomm platforms the PMIC RTC control and time registers are > read-only so that the RTC time can not be updated. Instead an offset > needs be stored in some machine-specific non-volatile memory, which a > driver can take into account. > > On X1E based Windows on Arm machines the offset is stored in a Qualcomm > specific UEFI variable. > > Unlike on previous platforms the alarm registers are also unaccessible > on X1E as they are owned by the ADSP. > > Assume all X1E machines use similar firmware and enable the RTC in the > PMIC dtsi for now. > > Based on a patch by Jonathan Marek. [1] > > Link: https://lore.kernel.org/r/20241015004945.3676-4-jonathan@xxxxxxxx # [1] > Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx> Konrad
