On Mon, Jul 28, 2025 at 05:29:37PM +0200, Clément Le Goffic wrote: > Introduce JEDEC compliant DDR bindings, that use new memory-props binding. > > Signed-off-by: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx> > --- > .../memory-controllers/ddr/jedec,ddr4.yaml | 34 ++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > > diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,ddr4.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,ddr4.yaml > new file mode 100644 > index 000000000000..f457066a2f8b > --- /dev/null > +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,ddr4.yaml > @@ -0,0 +1,34 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,ddr4.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: DDR3 SDRAM compliant to JEDEC JESD79-4D > + > +maintainers: > + - Krzysztof Kozlowski <krzk@xxxxxxxxxx> > + > +allOf: > + - $ref: jedec,sdram-props.yaml# > + > +properties: > + compatible: > + items: > + - pattern: "^ddr4-[0-9a-f]{2},[0-9a-f]{1}$" Shouldn't this be 'jedec,ddr4-...' > + - const: jedec,ddr4 > + > +required: > + - compatible > + - density > + - io-width > + > +unevaluatedProperties: false > + > +examples: > + - | > + ddr { > + compatible = "ddr4-ff,f", "jedec,ddr4"; > + density = <8192>; > + io-width = <8>; > + }; > > -- > 2.43.0 >
