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Message-Id: <20240501-adding-new-ad738x-driver-v6-1-3c0741154728@baylibre.com>
Date: Wed, 01 May 2024 16:55:34 +0200
From: Julien Stephan <jstephan@...libre.com>
To: Lars-Peter Clausen <lars@...afoo.de>,
Michael Hennerich <Michael.Hennerich@...log.com>,
Nuno Sá <nuno.sa@...log.com>,
David Lechner <dlechner@...libre.com>, Jonathan Cameron <jic23@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>
Cc: kernel test robot <lkp@...el.com>, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Julien Stephan <jstephan@...libre.com>,
Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH RFC v6 01/10] dt-bindings: iio: adc: Add binding for AD7380
ADCs
From: David Lechner <dlechner@...libre.com>
This adds a binding specification for the Analog Devices Inc. AD7380
family of ADCs.
Signed-off-by: David Lechner <dlechner@...libre.com>
Signed-off-by: Julien Stephan <jstephan@...libre.com>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
.../devicetree/bindings/iio/adc/adi,ad7380.yaml | 82 ++++++++++++++++++++++
MAINTAINERS | 9 +++
2 files changed, 91 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml
new file mode 100644
index 000000000000..5e1ee0ebe0a2
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7380.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices Simultaneous Sampling Analog to Digital Converters
+
+maintainers:
+ - Michael Hennerich <Michael.Hennerich@...log.com>
+ - Nuno Sá <nuno.sa@...log.com>
+
+description: |
+ * https://www.analog.com/en/products/ad7380.html
+ * https://www.analog.com/en/products/ad7381.html
+
+$ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+ compatible:
+ enum:
+ - adi,ad7380
+ - adi,ad7381
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency:
+ maximum: 80000000
+ spi-cpol: true
+ spi-cpha: true
+
+ vcc-supply:
+ description: A 3V to 3.6V supply that powers the chip.
+
+ vlogic-supply:
+ description:
+ A 1.65V to 3.6V supply for the logic pins.
+
+ refio-supply:
+ description:
+ A 2.5V to 3.3V supply for the external reference voltage. When omitted,
+ the internal 2.5V reference is used.
+
+ interrupts:
+ description:
+ When the device is using 1-wire mode, this property is used to optionally
+ specify the ALERT interrupt.
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - vcc-supply
+ - vlogic-supply
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@0 {
+ compatible = "adi,ad7380";
+ reg = <0>;
+
+ spi-cpol;
+ spi-cpha;
+ spi-max-frequency = <80000000>;
+
+ interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&gpio0>;
+
+ vcc-supply = <&supply_3_3V>;
+ vlogic-supply = <&supply_3_3V>;
+ refio-supply = <&supply_2_5V>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 8ad79cf70552..5bb168937853 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -427,6 +427,15 @@ W: http://wiki.analog.com/AD7142
W: https://ez.analog.com/linux-software-drivers
F: drivers/input/misc/ad714x.c
+AD738X ADC DRIVER (AD7380/1/2/4)
+M: Michael Hennerich <michael.hennerich@...log.com>
+M: Nuno Sá <nuno.sa@...log.com>
+R: David Lechner <dlechner@...libre.com>
+S: Supported
+W: https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad738x
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml
+
AD7877 TOUCHSCREEN DRIVER
M: Michael Hennerich <michael.hennerich@...log.com>
S: Supported
--
2.44.0
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