On 24/01/2023 08:19, Devi Priya wrote: >>>>> + gpio-ranges = <&tlmm 0 0 65>; >>>>> + gpio-reserved-ranges = <59 1>; >>>> >>>> Hm, why reserved ranges are in SoC? >>> As the gpio is forbidden on all ipq9574 boards, we have added it in SoC >> >> Why it is forbidden on all boards? I guess it depends on the firmware >> and this can differ, can't it? >> > This GPIO is protected and used by the TZ firmware and is forbidden on > all the boards & firmware OK Best regards, Krzysztof
