On 14/04/2023 12:25, AngeloGioacchino Del Regno wrote: > Il 14/04/23 10:34, Krzysztof Kozlowski ha scritto: >> On 14/04/2023 10:30, Uwe Kleine-König wrote: >>> On Fri, Apr 14, 2023 at 10:21:05AM +0200, Krzysztof Kozlowski wrote: >>>> On 12/04/2023 13:27, AngeloGioacchino Del Regno wrote: >>>>> Add a compatible string for MediaTek Helio X10 MT6795's display PWM >>>>> block: this is the same as MT8173. >>>>> >>>>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> >>>>> --- >>>>> Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 4 +++- >>>>> 1 file changed, 3 insertions(+), 1 deletion(-) >>>>> >>>>> diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml >>>>> index 0088bc8e7c54..153e146df7d4 100644 >>>>> --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml >>>>> +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml >>>>> @@ -22,7 +22,9 @@ properties: >>>>> - mediatek,mt8173-disp-pwm >>>>> - mediatek,mt8183-disp-pwm >>>>> - items: >>>>> - - const: mediatek,mt8167-disp-pwm >>>>> + - enum: >>>>> + - mediatek,mt6795-disp-pwm >>>>> + - mediatek,mt8167-disp-pwm >>>> >>>> This does not look correct. You do not add compatible, you replace >>>> breaking all mt8167-disp-pwm. At least it looks like this from context. >>> >>> I thought the old semantic to be: >>> >>> "mediatek,mt8167-disp-pwm" >>> >>> and the new >>> >>> "mediatek,mt6795-disp-pwm" or "mediatek,mt8167-disp-pwm" >>> >>> . What am I missing? >> >> The new is ok for mt6795 but it is not valid for mt8167. >> > > Sorry, why is it not valid for MT8167? Eh, above example did not help me, because it missed mt8173, but I see now the context I missed. It's already a list of two compatibles, so the patch is fine. Best regards, Krzysztof