Hi Rob, On Tue, Feb 06, 2024 at 06:43:05PM +0000, Rob Herring wrote: > On Tue, Feb 06, 2024 at 03:37:09PM +0100, Markus Schneider-Pargmann wrote: > > The information k3-socinfo requires is stored in an efuse area. This > > area is required by other devices/drivers as well, so using nvmem-cells > > can be a cleaner way to describe which information are used. > > > > If nvmem-cells are supplied, the address range is not required. > > Cells chipvariant, chippartno and chipmanufacturer are introduced to > > cover all required information. > > > > Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx> > > Reviewed-by: Andrew Davis <afd@xxxxxx> > > --- > > .../bindings/hwinfo/ti,k3-socinfo.yaml | 23 ++++++++++++++++++- > > 1 file changed, 22 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml > > index dada28b47ea0..f085b7275b7d 100644 > > --- a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml > > +++ b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml > > @@ -26,9 +26,24 @@ properties: > > reg: > > maxItems: 1 > > > > + nvmem-cells: > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > + > > + nvmem-cell-names: > > + items: > > + - const: chipvariant > > + - const: chippartno > > + - const: chipmanufacturer > > + > > required: > > - compatible > > - - reg > > + > > +oneOf: > > + - required: > > + - reg > > + - required: > > + - nvmem-cells > > + - nvmem-cell-names > > > > additionalProperties: false > > > > @@ -38,3 +53,9 @@ examples: > > compatible = "ti,am654-chipid"; > > reg = <0x43000014 0x4>; > > }; > > + - | > > + chipid: chipid@14 { > > + compatible = "ti,am654-chipid"; > > This isn't compatible if you have a completely different way to access > it. Thanks, it is not entirely clear to me how I could go forward with this? Are you suggesting to use a different compatible? Or is it something else I could do to proceed with this conversion? Thank you! Best, Markus