[PATCH v2 2/3] dt-bindings: mmc: document mmc-slot

Neil Armstrong neil.armstrong at linaro.org
Mon Oct 7 01:57:51 PDT 2024


Hi,

On 24/09/2024 11:15, Krzysztof Kozlowski wrote:
> On Fri, Sep 20, 2024 at 10:38:04AM +0200, Neil Armstrong wrote:
>> Document the mmc-slot, which is a subnode of a multi-slot
>> MMC controlle, each slot is represented as a full MMC controller,
> 
> typo: controller
> 
>> the top node handling all the shared resources and slot mux.
>>
>> Signed-off-by: Neil Armstrong <neil.armstrong at linaro.org>
>> ---
>>   .../devicetree/bindings/mmc/mmc-slot.yaml          | 40 ++++++++++++++++++++++
>>   1 file changed, 40 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mmc/mmc-slot.yaml b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
>> new file mode 100644
>> index 000000000000..c30eda4fd2a6
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
>> @@ -0,0 +1,40 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/mmc/mmc-slot.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: MMC/SD/SDIO slot of a multi-slot controller
>> +
>> +maintainers:
>> +  - Ulf Hansson <ulf.hansson at linaro.org>
>> +
> 
> description here saying what is the MMC slot, e.g. what you wrote in
> commit msg.

Right will fix the description, bad copy paste

> 
>> +allOf:
>> +  - $ref: mmc-controller.yaml
>> +
> 
> Just to be sure - the slots do not have dedicated resources like clocks,
> resets, power supplies, right? IOW, it is indeed one device which
> exposes multiple controllers?

Yes exact, resources are common to the slots

> 
>> +properties:
>> +  compatible:
>> +    const: mmc-slot
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +
>> +unevaluatedProperties: false
> 
> Best regards,
> Krzysztof
> 




More information about the linux-amlogic mailing list