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    SubjectRe: [PATCH 6/7] arm64: dts: Add ipq9574 SoC and AL02 board support
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    On 24.01.2023 08:19, Devi Priya wrote:
    >
    >
    > On 1/13/2023 7:50 PM, Krzysztof Kozlowski wrote:
    >> On 13/01/2023 14:29, Devi Priya wrote:
    >>>>> +
    >>>>> +    soc: soc@0 {
    >>>>> +        #address-cells = <1>;
    >>>>> +        #size-cells = <1>;
    >>>>> +        ranges = <0 0 0 0xffffffff>;
    >>>>> +        compatible = "simple-bus";
    >>>>> +
    >>>>> +        tlmm: pinctrl@1000000 {
    >>>>> +            compatible = "qcom,ipq9574-tlmm";
    >>>>> +            reg = <0x01000000 0x300000>;
    >>>>> +            interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
    >>>>> +            gpio-controller;
    >>>>> +            #gpio-cells = <2>;
    >>>>> +            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
    If it's protected on *all* boards and *all* firmwares (for any
    good reason that you probably have internally), perhaps it
    would be better to describe it in the .c driver.. wdyt?

    Konrad
    >> Best regards,
    >> Krzysztof
    >>
    > Regards,
    > Devi Priya

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