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[v6,01/13] dt/bindings: Add bindings for FWU Metadata storage device

Message ID 20220704051658.1085442-2-sughosh.ganu@linaro.org
State Superseded
Headers show
Series FWU: Add FWU Multi Bank Update feature support | expand

Commit Message

Sughosh Ganu July 4, 2022, 5:16 a.m. UTC 
Add bindings needed for accessing the FWU metadata partitions. These
include the compatible string which point to the access method and the
actual device which stores the FWU metadata.

The current patch adds basic bindings needed for accessing the
metadata structure on GPT partitioned block devices.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
---
Changes since V5:
* Changed to yaml file from txt as per review comment

 .../firmware/fwu-mdata.yaml                   | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 doc/device-tree-bindings/firmware/fwu-mdata.yaml
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Patch

diff --git a/doc/device-tree-bindings/firmware/fwu-mdata.yaml b/doc/device-tree-bindings/firmware/fwu-mdata.yaml
new file mode 100644
index 0000000000..97d30bd1c1
--- /dev/null
+++ b/doc/device-tree-bindings/firmware/fwu-mdata.yaml
@@ -0,0 +1,32 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/fwu-mdata.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: FWU metadata on device with GPT partitioned layout
+
+maintainers:
+ - Sughosh Ganu <sughosh.ganu@linaro.org>
+
+properties:
+  compatible:
+    items:
+      - const: u-boot,fwu-mdata-gpt
+
+  fwu-mdata-store:
+    maxItems: 1
+    description: Phandle of the device which contains the FWU medatata partition.
+
+required:
+  - compatible
+  - fwu-mdata-store
+
+additionalProperties: false
+
+examples:
+  - |
+    fwu-mdata {
+        compatible = "u-boot,fwu-mdata-gpt";
+        fwu-mdata-store = <&sdmmc1>;
+    };