On Wed, Aug 06, 2025 at 07:33:20PM +0200, Duje Mihanović wrote: > Add required syscon and simple-mfd compatibles to the APMU controller. > This is required for the SoC's power domain controller as the registers > are shared. The simple-mfd compatible allows devices whose registers are > completely contained in the APMU range (such as the power domain > controller and potentially more) to be children of the clock controller > node. > > Also add an optional power-controller child node to the APMU controller > to accommodate the new power domain driver. > > Signed-off-by: Duje Mihanović <[email protected]> > --- > .../devicetree/bindings/clock/marvell,pxa1908.yaml | 36 > ++++++++++++++++++---- > 1 file changed, 30 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml > b/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml > index > 4e78933232b6b925811425f853bedf6e9f01a27d..5e924ebd97e6457191ac021addafd22caba48964 > 100644 > --- a/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml > +++ b/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml > @@ -19,11 +19,15 @@ description: | > > properties: > compatible: > - enum: > - - marvell,pxa1908-apbc > - - marvell,pxa1908-apbcp > - - marvell,pxa1908-mpmu > - - marvell,pxa1908-apmu > + oneOf: > + - enum: > + - marvell,pxa1908-apbc > + - marvell,pxa1908-apbcp > + - marvell,pxa1908-mpmu > + - items: > + - const: marvell,pxa1908-apmu > + - const: simple-mfd > + - const: syscon > > reg: > maxItems: 1 > @@ -31,18 +35,38 @@ properties: > '#clock-cells': > const: 1 > > + power-controller: > + description: | > + Optional power domain controller node. > + type: object > + additionalProperties: true > + properties: > + compatible: > + const: marvell,pxa1908-power-controller
I commented on next patch, so oly to re-iterate here: no, don't create nodes just to instantiate drivers. You do not have any resources here. Best regards, Krzysztof

