[PATCH V6 1/2] dt-bindings: w1: Add DS2482/DS2484 I2C to 1-W bridges
Stefan Wahren
stefan.wahren at chargebyte.com
Thu Apr 6 03:31:36 PDT 2023
This adds a dedicated devicetree binding for the Maxim DS2482/DS2484
I2C to 1-W bridges, which can be extended later for further features
(e.g. sleep mode control GPIO). Since one wire is a bus, child nodes
needs to be allowed here.
Signed-off-by: Stefan Wahren <stefan.wahren at chargebyte.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
Reviewed-by: Rob Herring <robh at kernel.org>
---
.../devicetree/bindings/w1/maxim,ds2482.yaml | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Documentation/devicetree/bindings/w1/maxim,ds2482.yaml
diff --git a/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml
new file mode 100644
index 000000000000..422becc6e1fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/w1/maxim,ds2482.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim One wire bus master controller
+
+maintainers:
+ - Stefan Wahren <stefan.wahren at chargebyte.com>
+
+description: |
+ I2C to 1-wire bridges
+
+ https://www.analog.com/media/en/technical-documentation/data-sheets/ds2482-100.pdf
+ https://www.analog.com/media/en/technical-documentation/data-sheets/DS2482-800.pdf
+ https://www.analog.com/media/en/technical-documentation/data-sheets/DS2484.pdf
+
+properties:
+ compatible:
+ enum:
+ - maxim,ds2482
+ - maxim,ds2484
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties:
+ type: object
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ onewire at 18 {
+ compatible = "maxim,ds2484";
+ reg = <0x18>;
+ };
+ };
--
2.17.1
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