| Message ID | 20220412135302.1682890-3-vincent.whitchurch@axis.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | mtd: phram improvements | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success | |
| robh/patch-applied | success | |
| robh/dtbs-check | warning | build log |
| robh/dt-meta-schema | success |
On Tue, 12 Apr 2022 15:53:00 +0200, Vincent Whitchurch wrote: > Add bindings to allow MTD/block devices to be used in reserved-memory > regions using the "phram" (MTD in PHysical RAM) driver. > > This allows things like partitioning to be specified via the existing > devicetree bindings. > > Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> > --- > > Notes: > v3: > - Reword description. > > v2: > - Add note on what "phram" means. > - Use /schemas/mtd/mtd.yaml instead of relative pathUse /schemas/mtd/mtd.yaml instead of relative path. > > .../bindings/reserved-memory/phram.yaml | 47 +++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/reserved-memory/phram.yaml > Reviewed-by: Rob Herring <robh@kernel.org>
On Tue, 2022-04-12 at 13:53:00 UTC, Vincent Whitchurch wrote: > Add bindings to allow MTD/block devices to be used in reserved-memory > regions using the "phram" (MTD in PHysical RAM) driver. > > This allows things like partitioning to be specified via the existing > devicetree bindings. > > Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> > Reviewed-by: Rob Herring <robh@kernel.org> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks. Miquel
diff --git a/Documentation/devicetree/bindings/reserved-memory/phram.yaml b/Documentation/devicetree/bindings/reserved-memory/phram.yaml new file mode 100644 index 000000000000..6c4db28015f1 --- /dev/null +++ b/Documentation/devicetree/bindings/reserved-memory/phram.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reserved-memory/phram.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MTD/block device in RAM + +description: | + Specifies that the reserved memory region can be used as an MTD or block + device. + + The "phram" node is named after the "MTD in PHysical RAM" driver which + provides an implementation of this functionality in Linux. + +maintainers: + - Vincent Whitchurch <vincent.whitchurch@axis.com> + +allOf: + - $ref: "reserved-memory.yaml" + - $ref: "/schemas/mtd/mtd.yaml" + +properties: + compatible: + const: phram + + reg: + description: region of memory that can be used as an MTD/block device + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + + phram: flash@12340000 { + compatible = "phram"; + label = "rootfs"; + reg = <0x12340000 0x00800000>; + }; + };
Add bindings to allow MTD/block devices to be used in reserved-memory regions using the "phram" (MTD in PHysical RAM) driver. This allows things like partitioning to be specified via the existing devicetree bindings. Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> --- Notes: v3: - Reword description. v2: - Add note on what "phram" means. - Use /schemas/mtd/mtd.yaml instead of relative pathUse /schemas/mtd/mtd.yaml instead of relative path. .../bindings/reserved-memory/phram.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/reserved-memory/phram.yaml