linux-kernel - [PATCH v2 5/8] dt-bindings: iio: add sigma delta modulator backend

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Date: Tue, 25 Jun 2024 17:07:13 +0200
From: Olivier Moysan <olivier.moysan@...s.st.com>
To: <fabrice.gasnier@...s.st.com>, Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Olivier Moysan <olivier.moysan@...s.st.com>
CC: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 5/8] dt-bindings: iio: add sigma delta modulator backend

Add documentation of device tree bindings to support
sigma delta modulator backend in IIO framework.

Signed-off-by: Olivier Moysan <olivier.moysan@...s.st.com>
---
 .../iio/adc/sd-modulator-backend.yaml         | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml b/Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml
new file mode 100644
index 000000000000..3299db71f79d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/sd-modulator-backend.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sigma delta modulator backend
+
+maintainers:
+  - Olivier Moysan <olivier.moysan@...s.st.com>
+
+properties:
+  compatible:
+    enum:
+      - ti,ads1201
+
+  '#io-backend-cells':
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  vref-supply:
+    description: Phandle to the vref input analog reference voltage.
+
+required:
+  - compatible
+  - '#io-backend-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    ads1201: adc {
+      compatible = "ti,ads1201";
+      #io-backend-cells = <0>;
+    };
+
+...
-- 
2.25.1