linux-kernel - [PATCH v2 1/2] dt-bindings:iio:adc: add max14001

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Message-ID: <20230605130755.92642-2-kimseer.paller@analog.com>
Date:   Mon, 5 Jun 2023 21:07:54 +0800
From:   Kim Seer Paller <kimseer.paller@...log.com>
To:     <jic23@...nel.org>, <lars@...afoo.de>,
        <krzysztof.kozlowski@...aro.org>
CC:     <broonie@...nel.org>, <lgirdwood@...il.com>,
        <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kimseer.paller@...log.com>
Subject: [PATCH v2 1/2] dt-bindings:iio:adc: add max14001

The MAX14001 is configurable, isolated 10-bit ADCs for multi-range
binary inputs.

Signed-off-by: Kim Seer Paller <kimseer.paller@...log.com>
---
 .../bindings/iio/adc/adi,max14001.yaml        | 55 +++++++++++++++++++
 MAINTAINERS                                   |  7 +++
 2 files changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml b/Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml
new file mode 100644
index 000000000..1b17f5dc0
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2023 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,max14001.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX14001 ADC
+
+maintainers:
+  - Kim Seer Paller <kimseer.paller@...log.com>
+
+description: |
+    Single channel 10 bit ADC with SPI interface. Datasheet
+    can be found here:
+      https://www.analog.com/media/en/technical-documentation/data-sheets/MAX14001-MAX14002.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,max14001
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 5000000
+
+  vref-supply:
+    description: Voltage reference to establish input scaling.
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        status = "okay";
+
+        adc@0 {
+            compatible = "adi,max14001";
+            reg = <0>;
+            spi-max-frequency = <5000000>;
+            vref-supply = <&vref_reg>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 0e64787aa..766847ad2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12573,6 +12573,13 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/sound/max9860.txt
 F:	sound/soc/codecs/max9860.*
 
+MAX14001 IIO ADC DRIVER
+M:	Kim Seer Paller <kimseer.paller@...log.com>
+L:	linux-iio@...r.kernel.org
+S:	Supported
+W:	https://ez.analog.com/linux-software-drivers
+F:	Documentation/devicetree/bindings/iio/dac/adi,max14001.yaml
+
 MAXBOTIX ULTRASONIC RANGER IIO DRIVER
 M:	Andreas Klinger <ak@...klinger.de>
 L:	linux-iio@...r.kernel.org
-- 
2.34.1