On Wed, Jul 10, 2024 at 09:18:16AM +0200, Alexander Stein wrote: > Hi Frank, > > Am Dienstag, 9. Juli 2024, 22:23:05 CEST schrieb Frank Li: > > iMX9 memory controller is similar with other layerscape chips. But some > > register layout has a little bit difference, so add new compatible string > > 'nxp,imx9-memory-controller' for it. > > Is this controller the same for all i.MX9 SoC? E.g. i.MX91, i.MX93, > i.MX95 and any future variants? So far it is the same. I can't prodicting future. Not plan to change it yet. Frank > > Best regards, > Alexander > > > imx9 need two 'reg', one for DDR controller and the other is ECC inject > > engine register space. Keep the same restriction for other compatible > > string. > > > > Signed-off-by: Frank Li <Frank.Li@xxxxxxx> > > --- > > .../bindings/memory-controllers/fsl/fsl,ddr.yaml | 31 +++++++++++++++++++++- > > 1 file changed, 30 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ddr.yaml b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ddr.yaml > > index 84f778a99546b..e0786153eec73 100644 > > --- a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ddr.yaml > > +++ b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ddr.yaml > > @@ -40,6 +40,7 @@ properties: > > - fsl,p1021-memory-controller > > - fsl,p2020-memory-controller > > - fsl,qoriq-memory-controller > > + - nxp,imx9-memory-controller > > > > interrupts: > > maxItems: 1 > > @@ -51,13 +52,41 @@ properties: > > type: boolean > > > > reg: > > - maxItems: 1 > > + items: > > + - description: Controller register space > > + - description: Inject register space > > + minItems: 1 > > + > > + reg-names: > > + items: > > + - const: ctrl > > + - const: inject > > + minItems: 1 > > > > required: > > - compatible > > - interrupts > > - reg > > > > +allOf: > > + - if: > > + properties: > > + compatible: > > + contains: > > + enum: > > + - nxp,imx9-memory-controller > > + then: > > + properties: > > + reg: > > + minItems: 2 > > + reg-names: > > + minItems: 2 > > + else: > > + properties: > > + reg: > > + maxItems: 1 > > + reg-names: false > > + > > additionalProperties: false > > > > examples: > > > > > > > -- > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > Amtsgericht München, HRB 105018 > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > http://www.tq-group.com/ > >
