writing-bindings.rst states:
> - If schema includes other schema (e.g. /schemas/i2c/i2c-controller.yaml) use
>   "unevaluatedProperties:false". In other cases, usually use
>   "additionalProperties:false".

All 3 properties from matrix-keymap.yaml are valid for the MediaTek keypad:
* keypad,num-rows and keypad,num-cols configure the KP_SEL register
* linux,keymap represents the (at most) 8x8 hardware matrix

Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

diff --git a/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml b/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
index 03ebd2665d07..ca8ae40a73f7 100644
--- a/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
+++ b/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
@@ -56,7 +56,7 @@ required:
   - clocks
   - clock-names
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

-- 
b4 0.10.0-dev-78725

On 26/07/2022 14:56, Mattijs Korpershoek wrote:
> writing-bindings.rst states:
>> - If schema includes other schema (e.g. /schemas/i2c/i2c-controller.yaml) use
>>   "unevaluatedProperties:false". In other cases, usually use
>>   "additionalProperties:false".
> 
> All 3 properties from matrix-keymap.yaml are valid for the MediaTek keypad:
> * keypad,num-rows and keypad,num-cols configure the KP_SEL register
> * linux,keymap represents the (at most) 8x8 hardware matrix
> 
> Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof