From: Janani Sunil <janani.sunil@analog.com>
To: Lars-Peter Clausen <lars@metafoo.de>,
Michael Hennerich <Michael.Hennerich@analog.com>,
Jonathan Cameron <jic23@kernel.org>,
"Rob Herring" <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
Jonathan Corbet <corbet@lwn.net>
Cc: <linux-iio@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>,
<jan.sun97@gmail.com>, <gastmaier@gmail.com>,
Janani Sunil <janani.sunil@analog.com>
Subject: [PATCH v3 1/2] dt-bindings: iio: dac: Add max22007
Date: Wed, 14 Jan 2026 17:17:01 +0100 [thread overview]
Message-ID: <20260114-max22007-patch-v3-1-769298f50b8a@analog.com> (raw)
In-Reply-To: <20260114-max22007-patch-v3-0-769298f50b8a@analog.com>
Devicetree bindings for MAX22007 4-channel
12-bit DAC that drives a voltage or current
output on each channel
Signed-off-by: Janani Sunil <janani.sunil@analog.com>
---
.../devicetree/bindings/iio/dac/adi,max22007.yaml | 116 +++++++++++++++++++++
MAINTAINERS | 15 +++
2 files changed, 131 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,max22007.yaml b/Documentation/devicetree/bindings/iio/dac/adi,max22007.yaml
new file mode 100644
index 000000000000..c2f65d9e42d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,max22007.yaml
@@ -0,0 +1,116 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,max22007.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX22007 DAC device driver
+
+maintainers:
+ - Janani Sunil <janani.sunil@analog.com>
+
+description:
+ The MAX22007 is a quad-channel, 12-bit digital-to-analog converter (DAC)
+ with integrated precision output amplifiers and current output capability.
+ Each channel can be independently configured for voltage or current output.
+ Datasheet available at https://www.analog.com/en/products/max22007.html
+
+$ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+ compatible:
+ const: adi,max22007
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency:
+ maximum: 500000
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ vdd-supply:
+ description: Low-Voltage Power Supply from +2.7V to +5.5V.
+
+ hvdd-supply:
+ description:
+ Positive High-Voltage Power Supply from +8V to (HVSS +24V) for
+ the Output Channels.
+
+ hvss-supply:
+ description:
+ Negative High-Voltage Power Supply from -2V to 0V for the Output Channels.
+
+ reset-gpios:
+ maxItems: 1
+ description:
+ GPIO used for hardware reset of the device.
+
+patternProperties:
+ "^channel@[0-3]$":
+ allOf:
+ - $ref: /schemas/iio/dac/dac.yaml#
+ - type: object
+ description:
+ Represents the external channels which are connected to the DAC.
+ Channels not specified in the device tree will be powered off.
+
+ properties:
+ reg:
+ description: Channel number
+ maxItems: 1
+
+ adi,type:
+ description: Channel output type.
+ $ref: /schemas/types.yaml#/definitions/string
+ enum: [voltage, current]
+
+ required:
+ - reg
+ - adi,type
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+
+anyOf:
+ - required: [channel@0]
+ - required: [channel@1]
+ - required: [channel@2]
+ - required: [channel@3]
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dac@0 {
+ compatible = "adi,max22007";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+ reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ channel@0 {
+ reg = <0>;
+ adi,type = "voltage";
+ };
+
+ channel@1 {
+ reg = <1>;
+ adi,type = "current";
+ };
+ };
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 5b11839cba9d..c378d4b8f5ae 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1594,6 +1594,21 @@ W: https://ez.analog.com/linux-software-drivers
F: Documentation/devicetree/bindings/iio/dac/adi,ad9739a.yaml
F: drivers/iio/dac/ad9739a.c
+ANALOG DEVICES INC AD8460 DRIVER
+M: Mariel Tinaco <Mariel.Tinaco@analog.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/iio/dac/adi,ad8460.yaml
+F: drivers/iio/dac/ad8460.c
+
+ANALOG DEVICES INC MAX22007 DRIVER
+M: Janani Sunil <janani.sunil@analog.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/iio/dac/adi,max22007.yaml
+
ANALOG DEVICES INC ADA4250 DRIVER
M: Antoniu Miclaus <antoniu.miclaus@analog.com>
L: linux-iio@vger.kernel.org
--
2.43.0
next prev parent reply other threads:[~2026-01-14 16:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-14 16:17 [PATCH v3 0/2] iio: dac: Add support for MAX22007 DAC Janani Sunil
2026-01-14 16:17 ` Janani Sunil [this message]
2026-01-15 9:24 ` [PATCH v3 1/2] dt-bindings: iio: dac: Add max22007 Krzysztof Kozlowski
2026-01-15 9:25 ` Krzysztof Kozlowski
2026-01-15 10:24 ` Janani Sunil
2026-01-15 21:02 ` Krzysztof Kozlowski
2026-01-14 16:17 ` [PATCH v3 2/2] iio: dac: Add MAX22007 DAC driver support Janani Sunil
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