[PATCH v24 05/12] dt-bindings: arm: Document reboot mode magic

[Shivendra Pratap]

On 8/3/2026 5:14 PM, Rob Herring (Arm) wrote:
> 
> On Mon, 03 Aug 2026 15:13:36 +0530, Shivendra Pratap wrote:
>> Add bindings to describe vendor-specific reboot modes. Values here
>> correspond to valid parameters to vendor-specific reset types in PSCI
>> SYSTEM_RESET2 call.
>>
>> Signed-off-by: Shivendra Pratap <shivendra.pratap at oss.qualcomm.com>
>> ---
>>   Documentation/devicetree/bindings/arm/psci.yaml | 58 +++++++++++++++++++++++++
>>   1 file changed, 58 insertions(+)
>>
> 
> My bot found errors running 'make dt_binding_check' on your patch:
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/arm/psci.yaml: properties:reboot-mode:patternProperties:^mode-.*$: {'minItems': 1, 'maxItems': 3, 'items': [{'description': 'arg1 (vendor-specific SYSTEM_RESET2 reset_type)', 'allOf': [{'$ref': '/schemas/types.yaml#/definitions/uint32'}, {'minimum': 2147483648}]}, {'description': 'arg2 (cookie_lo in 2-cell form, cookie_hi in 3-cell form)', '$ref': '/schemas/types.yaml#/definitions/uint32'}, {'description': 'arg3 (cookie_lo in 3-cell form)', '$ref': '/schemas/types.yaml#/definitions/uint32'}], 'description': 'Describes a PSCI SYSTEM_RESET2 vendor-specific reset type. The string\nafter "mode-" maps a reboot mode to a vendor-specific reset.\nA vendor-specific reset takes two arguments, a 32-bit reset_type and a\n64-bit cookie. The arguments are encoded as up to three 32-bit cells.\nEach mode property is encoded as mode-xxx = <arg1[, arg2[, arg3]]>,\nwhere:\n- arg1 is reset_type and must be >= 0x80000000.\n- In 2-cel
>   l form, arg2 is lower 32 bits of cookie.\n- In 3-cell form, arg2 is high 32 bits of cookie\n  and arg3 is low 32 bits of cookie.\n\nAll values should be provided as per the PSCI SYSTEM_RESET2\nspecification.\n'} should not be valid under {'required': ['maxItems']}
> 	hint: "maxItems" is not needed with an "items" list
> 	from schema $id: http://devicetree.org/meta-schemas/items.yaml
> 
> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.kernel.org/project/devicetree/patch/20260803-arm-psci-system_reset2-vendor-reboots-v24-5-889281373870@oss.qualcomm.com
> 
> The base for the series is generally the latest rc1. A different dependency
> should be noted in *this* patch.
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit after running the above command yourself. Note
> that DT_SCHEMA_FILES can be set to your schema file to speed up checking
> your schema. However, it must be unset to test all examples with your schema.
> 

thanks will check and update this patch.

thanks,
Shivendra