Re: [PATCH 1/3] dt-bindings: power: reset: Convert mode-.* properties to array

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Hi Krzysztof,

On 11/20/2023 2:52 AM, Krzysztof Kozlowski wrote:
> On 17/11/2023 22:18, Elliot Berman wrote:
>> PSCI reboot mode will map a mode name to multiple magic values instead
>> of just one. Convert the mode-.* property to an array with default
>> number of items limited to 1.
>>
>> Signed-off-by: Elliot Berman <quic_eberman@xxxxxxxxxxx>
>> ---
>>  Documentation/devicetree/bindings/power/reset/reboot-mode.yaml | 7 +++++--
>>  1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml
>> index ad0a0b95cec1..2c786e783464 100644
>> --- a/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml
>> +++ b/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml
>> @@ -28,13 +28,16 @@ description: |
>>  
>>  properties:
>>    mode-normal:
>> -    $ref: /schemas/types.yaml#/definitions/uint32
>> +    $ref: "#/patternProperties/^mode-.*$"
>>      description:
>>        Default value to set on a reboot if no command was provided.
>>  
>>  patternProperties:
>>    "^mode-.*$":
>> -    $ref: /schemas/types.yaml#/definitions/uint32
>> +    $ref: /schemas/types.yaml#/definitions/uint32-array
>> +    # Default to one value. Bindings that reference this schema could override.
>> +    minItems: 1
>> +    maxItems: 1
> 
> I don't understand. Array with one value is the same as uint32.
> 

PSCI SYSTEM_RESET2 can have multiple values per reboot type. In other words:
a given reboot mode could refer to a tuple with N values, where N
is device-specific. The current schema only allows for N=1 and PSCI
SYSTEM_RESET2 uses N=2. This patch was to update the reboot-mode.yaml
to allow me to specify N=2 in the psci bindings.

Thanks,
Elliot




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