From: Sughosh Ganu sughosh.ganu@linaro.org
Add bindings needed for accessing the FWU metadata regions. These include the compatible string which point to the access method, the actual device which stores the FWU metadata and the offsets for both metadata regions.
The current patch adds basic bindings needed for accessing the metadata structure on non-GPT mtd regions.
Signed-off-by: Masami Hiramatsu masami.hiramatsu@linaro.org Signed-off-by: Jassi Brar jaswinder.singh@linaro.org --- .../firmware/fwu-mdata-mtd.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 doc/device-tree-bindings/firmware/fwu-mdata-mtd.yaml
diff --git a/doc/device-tree-bindings/firmware/fwu-mdata-mtd.yaml b/doc/device-tree-bindings/firmware/fwu-mdata-mtd.yaml new file mode 100644 index 0000000000..4f5404f999 --- /dev/null +++ b/doc/device-tree-bindings/firmware/fwu-mdata-mtd.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/u-boot,fwu-mdata-sf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: FWU metadata on MTD device without GPT + +maintainers: + - Masami Hiramatsu masami.hiramatsu@linaro.org + +properties: + compatible: + items: + - const: u-boot,fwu-mdata-mtd + + fwu-mdata-store: + maxItems: 1 + description: Phandle of the MTD device which contains the FWU medatata. + + mdata-offsets: + minItems: 2 + description: Offsets of the primary and secondary FWU metadata in the NOR flash. + +required: + - compatible + - fwu-mdata-store + - mdata-offsets + +additionalProperties: false + +examples: + - | + fwu-mdata { + compatible = "u-boot,fwu-mdata-mtd"; + fwu-mdata-store = <&spi-flash>; + mdata-offsets = <0x500000 0x530000>; + };