[PATCH 1/4] dt-bindings: soc: actions: Add Actions Semi Owl socinfo binding
Cristian Ciocaltea
cristian.ciocaltea at gmail.com
Fri Mar 19 18:27:59 GMT 2021
Add devicetree binding for the Actions Semi Owl SoCs info module.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea at gmail.com>
---
.../bindings/soc/actions/owl-socinfo.yaml | 71 +++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml
diff --git a/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml b/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml
new file mode 100644
index 000000000000..3fcb1f584fdf
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/actions/owl-socinfo.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Actions Semi Owl SoC info module
+
+maintainers:
+ - Cristian Ciocaltea <cristian.ciocaltea at gmail.com>
+
+description: |
+ Actions Semi Owl SoC info module provides access to various information
+ about the S500, S700 and S900 SoC variants, such as serial number or id.
+
+patternProperties:
+ "^soc(@[0-9a-f]+)?$":
+ type: object
+ properties:
+ compatible:
+ items:
+ - enum:
+ - actions,s500-soc
+ - actions,s700-soc
+ - actions,s900-soc
+ - const: simple-bus
+
+ "#address-cells":
+ enum: [1, 2]
+
+ "#size-cells":
+ enum: [1, 2]
+
+ ranges: true
+
+ actions,serial-number-addrs:
+ description: |
+ Contains the physical addresses in DDR memory where the two parts
+ of the serial number (low & high) can be read from.
+ This is currently supported only on the S500 SoC variant.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 2
+ maxItems: 2
+
+ required:
+ - compatible
+
+ additionalProperties:
+ type: object
+
+additionalProperties: true
+
+examples:
+ - |
+ / {
+ compatible = "roseapplepi,roseapplepi", "actions,s500";
+ model = "Roseapple Pi";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ soc {
+ compatible = "actions,s500-soc", "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ actions,serial-number-addrs = <0x800>, /* S/N Low */
+ <0x804>; /* S/N High */
+ };
+ };
+
+...
--
2.31.0
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