linux-kernel - [PATCH v4 5/6] dt-bindings: iio: adc: add ad4851

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Message-ID: <20241018104210.51659-5-antoniu.miclaus@analog.com>
Date: Fri, 18 Oct 2024 13:42:09 +0300
From: Antoniu Miclaus <antoniu.miclaus@...log.com>
To: <jic23@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <nuno.sa@...log.com>, <conor+dt@...nel.org>, <ukleinek@...nel.org>,
        <dragos.bogdan@...log.com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pwm@...r.kernel.org>
CC: Antoniu Miclaus <antoniu.miclaus@...log.com>,
        Conor Dooley
	<conor.dooley@...rochip.com>
Subject: [PATCH v4 5/6] dt-bindings: iio: adc: add ad4851

Add devicetree bindings for ad485x family.

Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
---
no changes in v4.
 .../bindings/iio/adc/adi,ad4851.yaml          | 103 ++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml
new file mode 100644
index 000000000000..5f0f2e6e7a8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2024 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad4851.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD485X family
+
+maintainers:
+  - Sergiu Cuciurean <sergiu.cuciurean@...log.com>
+  - Dragos Bogdan <dragos.bogdan@...log.com>
+  - Antoniu Miclaus <antoniu.miclaus@...log.com>
+
+description: |
+  Analog Devices AD485X fully buffered, 8-channel simultaneous sampling,
+  16/20-bit, 1 MSPS data acquisition system (DAS) with differential, wide
+  common-mode range inputs.
+
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ad4855.pdf
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ad4856.pdf
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ad4857.pdf
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ad4858.pdf
+
+$ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    enum:
+      - adi,ad4851
+      - adi,ad4852
+      - adi,ad4853
+      - adi,ad4854
+      - adi,ad4855
+      - adi,ad4856
+      - adi,ad4857
+      - adi,ad4858
+      - adi,ad4858i
+
+  reg:
+    maxItems: 1
+
+  vcc-supply: true
+
+  vee-supply: true
+
+  vdd-supply: true
+
+  vddh-supply: true
+
+  vddl-supply: true
+
+  vio-supply: true
+
+  vrefbuf-supply: true
+
+  vrefio-supply: true
+
+  pwms:
+    description: PWM connected to the CNV pin.
+    maxItems: 1
+
+  io-backends:
+    maxItems: 1
+
+  pd-gpios:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 25000000
+
+required:
+  - compatible
+  - reg
+  - vcc-supply
+  - vee-supply
+  - vdd-supply
+  - vio-supply
+  - pwms
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0{
+            compatible = "adi,ad4858";
+            reg = <0>;
+            spi-max-frequency = <10000000>;
+            vcc-supply = <&vcc>;
+            vdd-supply = <&vdd>;
+            vee-supply = <&vee>;
+            vddh-supply = <&vddh>;
+            vddl-supply = <&vddh>;
+            vio-supply = <&vio>;
+            pwms = <&pwm_gen 0 0>;
+            io-backends = <&iio_backend>;
+        };
+    };
+...
-- 
2.46.2