On Thu, Apr 18, 2024 at 05:08:20PM -0400, Frank Li wrote: > On Thu, Apr 18, 2024 at 11:37:18PM +0300, Laurentiu Mihalcea wrote: > > From: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx> > > > > i.MX8ULP DSP node needs a MU clock, but doesn't need > > a debug clock. Change "clocks" and "clock-names" properties > > to allow for this case. > > > > Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx> > > --- > > .../devicetree/bindings/dsp/fsl,dsp.yaml | 51 ++++++++++++++----- > > 1 file changed, 39 insertions(+), 12 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml > > index 9af40da5688e..4a39d57b1cc6 100644 > > --- a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml > > +++ b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml > > @@ -30,22 +30,12 @@ properties: > > maxItems: 1 > > > > clocks: > > - items: > > - - description: ipg clock > > - - description: ocram clock > > - - description: core clock > > - - description: debug interface clock > > - - description: message unit clock > > minItems: 3 > > + maxItems: 5 > > > > clock-names: > > - items: > > - - const: ipg > > - - const: ocram > > - - const: core > > - - const: debug > > - - const: mu > > minItems: 3 > > + maxItems: 5 > > > > power-domains: > > description: > > @@ -93,6 +83,43 @@ required: > > - memory-region > > > > allOf: > > + - if: > > + properties: > > + compatible: > > + contains: > > + const: fsl,imx8ulp-hifi4 > > + then: > > + properties: > > + clocks: > > + items: > > + - description: ipg clock > > + - description: ocram clock > > + - description: core clock > > + - description: message unit clock > > + clock-names: > > + items: > > + - const: ipg > > + - const: ocram > > + - const: core > > + - const: mu > > + else: > > + properties: > > + clocks: > > + items: > > + - description: ipg clock > > + - description: ocram clock > > + - description: core clock > > + - description: debug interface clock > > + - description: message unit clock > > + minItems: 3 > > + clock-names: > > + items: > > + - const: ipg > > + - const: ocram > > + - const: core > > + - const: debug > > + - const: mu > > + minItems: 3 > > According to your descript, look like only clk "debug" is difference. > > How about > > clocks: > items: > - description: ipg clock > - description: ocram clock > - description: core clock > - description: message unit clock > - description: debug interface clock > > clock-names: > items: > - const: ipg > - const: ocram > - const: core > - const: mu > - const: debug You can't change the existing order, so this does not work. Rob