[PATCH v2 1/6] dt-bindings: reserved-memory: Add Owl SoC serial number binding

From: Cristian Ciocaltea
Date: Tue Mar 30 2021 - 09:49:27 EST


Add devicetree binding for the Actions Semi Owl SoC serial number
reserved-memory range.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx>
---
.../actions,owl-soc-serial.yaml | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml

diff --git a/Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml b/Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml
new file mode 100644
index 000000000000..41b71f47ee6c
--- /dev/null
+++ b/Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reserved-memory/actions,owl-soc-serial.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Actions Semi Owl reserved-memory for SoC serial number
+
+maintainers:
+ - Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx>
+
+description: |
+ Provide access to the memory region where the two parts of the Actions
+ Semi Owl SoC serial number (low & high) can be read from. This information
+ is provided by the bootloader, hence expose it under /reserved-memory node.
+
+ Please refer to reserved-memory.txt in this directory for common binding
+ part and usage.
+
+ This is currently supported only on the S500 SoC variant.
+
+properties:
+ compatible:
+ oneOf:
+ - const: actions,owl-soc-serial
+ - items:
+ - enum:
+ - actions,s500-soc-serial
+ - const: actions,owl-soc-serial
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: true
+
+examples:
+ - |
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ soc_serial: soc-serial@800 {
+ compatible = "actions,s500-soc-serial", "actions,owl-soc-serial";
+ reg = <0x800 0x8>;
+ };
+ };
+
+...
--
2.31.1