On Fri, Sep 27, 2024 at 10:30:12AM +0200, Krzysztof Kozlowski wrote: > On 27/09/2024 10:15, Wolfram Sang wrote: > > Allow interrupt-parent in the main node, so it can be inherited to all > > subnodes. This is more compact and less error-prone. > > > > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > > --- > > > > It would fix dtbs_check for arch/arm/boot/dts/renesas/r8a7779-marzen.dts > > and would simplify arch/arm/boot/dts/renesas/r7s72100-rskrza1.dts. > > > > Plus, it is the behaviour I would expect. > > > > Documentation/devicetree/bindings/input/gpio-keys.yaml | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/input/gpio-keys.yaml b/Documentation/devicetree/bindings/input/gpio-keys.yaml > > index cc78c2152921..8fc331e01f7e 100644 > > --- a/Documentation/devicetree/bindings/input/gpio-keys.yaml > > +++ b/Documentation/devicetree/bindings/input/gpio-keys.yaml > > @@ -15,6 +15,9 @@ properties: > > - gpio-keys > > - gpio-keys-polled > > > > + interrupt-parent: > > + description: Common interrupt parent for the following subnodes > > That's a bit against DT spec: > > "Nodes that represent interrupt-generating devices contain an > interrupt-parent property..." > > but gpio-keys node you marked as interrupt-parent does not generate > interrupts, so I do not think this is correct. I think this can be read multiple ways. The device here is gpio-keys and interrupt-parent would be attached to that node. Children nodes do not represent individual devices, they just a convenient abstraction to describe the hardware. Thanks. -- Dmitry
