On Thu, Jan 20, 2022 at 09:26:14PM +0100, Ansuel Smith wrote: > Document new dynamic-partitions node used to provide an of node for > partition registred at runtime by parsers. This is required for nvmem > system to declare and detect nvmem-cells. So you have some discoverable way to find all the partitions and the nvmem cells are at an unknown (to the DT) location, but still need to be described in DT? > Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx> > --- > .../mtd/partitions/dynamic-partitions.yaml | 59 +++++++++++++++++++ > 1 file changed, 59 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/partitions/dynamic-partitions.yaml > > diff --git a/Documentation/devicetree/bindings/mtd/partitions/dynamic-partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/dynamic-partitions.yaml > new file mode 100644 > index 000000000000..7528e49f2d7e > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/partitions/dynamic-partitions.yaml > @@ -0,0 +1,59 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mtd/partitions/dynamic-partitions.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Dynamic partitions > + > +description: | > + This binding can be used on platforms which have partitions registered at > + runtime by parsers or partition table present on the flash. Example are > + partitions declared from smem parser or cmdlinepart. This will create an Some information in DT and some on the cmdline seems broken to me. Pick one or the other. > + of node for these dynamic partition where systems like Nvmem can get a > + reference to register nvmem-cells. > + > + The partition table should be a node named "dynamic-partitions". > + Partitions are then defined as subnodes. Only the label is required > + as any other data will be taken from the parser. > + > +maintainers: > + - Ansuel Smith <ansuelsmth@xxxxxxxxx> > + > +properties: > + compatible: > + const: dynamic-partitions This is useless. This tells me nothing about the what's in the partitions. > + > +patternProperties: > + "@[0-9a-f]+$": > + $ref: "partition.yaml#" > + > +additionalProperties: true > + > +examples: > + - | > + partitions { > + compatible = "qcom,smem"; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > + > + dynamic-partitions { > + compatible = "dynamic-partitions"; > + > + art: art { > + label = "0:art"; > + read-only; > + compatible = "nvmem-cells"; > + #address-cells = <1>; > + #size-cells = <1>; > + > + macaddr_art_0: macaddr@0 { > + reg = <0x0 0x6>; > + }; > + > + macaddr_art_6: macaddr@6 { > + reg = <0x6 0x6>; > + }; > + }; > + }; > -- > 2.33.1 > >
