Re: [PATCH v3 1/4] dt-bindings: mtd: partitions: Add binding for Qcom SMEM parser
From: Manivannan Sadhasivam
Date: Thu Dec 10 2020 - 22:33:28 EST
On Mon, Dec 07, 2020 at 03:52:36PM -0600, Rob Herring wrote:
> On Thu, Nov 19, 2020 at 12:43:05PM +0530, Manivannan Sadhasivam wrote:
> > Add YAML binding for Qualcomm Shared Memory (SMEM) Flash partition
> > parser.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > ---
> > .../mtd/partitions/qcom,smem-part.yaml | 33 +++++++++++++++++++
> > 1 file changed, 33 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml b/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
> > new file mode 100644
> > index 000000000000..cf3f8c1e035d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
> > @@ -0,0 +1,33 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/mtd/partitions/qcom,smem-part.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Qualcomm SMEM NAND flash partition parser binding
> > +
> > +maintainers:
> > + - Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > +
> > +description: |
> > + The Qualcomm SoCs supporting the NAND controller interface features a Shared
> > + Memory (SMEM) based partition table scheme. The maximum partitions supported
> > + varies between partition table revisions. V3 supports maximum 16 partitions
> > + and V4 supports 48 partitions.
>
> V3 vs. V4 (and any other version for that matter) is discoverable?
>
Yes, it is discoverable based on the partition header and we do that in
the parser.
Thanks,
Mani
> > +
> > +properties:
> > + compatible:
> > + const: qcom,smem-part
> > +
> > +required:
> > + - compatible
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + flash {
> > + partitions {
> > + compatible = "qcom,smem-part";
> > + };
> > + };
> > --
> > 2.17.1
> >