[PATCH 6/7] arm64: dts: Add ipq9574 SoC and AL02 board support

[Devi Priya]

On 1/13/2023 7:50 PM, Krzysztof Kozlowski wrote:
> On 13/01/2023 14:29, Devi Priya wrote:
>>>> +
>>>> +	soc: soc at 0 {
>>>> +		#address-cells = <1>;
>>>> +		#size-cells = <1>;
>>>> +		ranges = <0 0 0 0xffffffff>;
>>>> +		compatible = "simple-bus";
>>>> +
>>>> +		tlmm: pinctrl at 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
> Best regards,
> Krzysztof
> 
Regards,
Devi Priya