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Message-ID: <20191016025220.td3xb7oxlfkznxl6@smtp.gmail.com>
Date: Tue, 15 Oct 2019 23:52:23 -0300
From: Marcelo Schmitt <marcelo.schmitt1@...il.com>
To: jic23@...nel.org
Cc: dragos.bogdan@...log.com, alexandru.ardelean@...log.com,
linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, kernel-usp@...glegroups.com
Subject: [PATCH v2 2/2] dt-bindings: iio: adc: Add DT docs for AD7292
Add a device tree binding doc for AD7292 monitor and control system.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@...il.com>
---
.../bindings/iio/adc/adi,ad7292.yaml | 107 ++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 108 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
new file mode 100644
index 000000000000..40028332d9e2
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7292 10-Bit Monitor and Control System
+
+maintainers:
+ - Marcelo Schmitt <marcelo.schmitt1@...il.com>
+
+description: |
+ Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
+ Temperature Sensor, and GPIOs
+
+ Specifications about the part can be found at:
+ https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,ad7292
+
+ reg:
+ maxItems: 1
+
+ vref-supply:
+ description: |
+ The regulator supply for ADC and DAC reference voltage.
+ maxItems: 1
+
+ spi-cpha:
+ description: |
+ See Documentation/devicetree/bindings/spi/spi-controller.yaml
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+required:
+ - compatible
+ - reg
+
+patternProperties:
+ "^channel@[0-7]$":
+ type: object
+ description: |
+ Represents the external channels which are connected to the ADC.
+ See Documentation/devicetree/bindings/iio/adc/adc.txt.
+
+ properties:
+ reg:
+ description: |
+ The channel number. It can have up to 8 channels numbered from 0 to 7.
+ maxItems: 1
+
+ diff-channels:
+ description: see Documentation/devicetree/bindings/iio/adc/adc.txt
+ maxItems: 1
+
+ required:
+ - reg
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ad7292: ad7292@0 {
+ compatible = "adi,ad7292";
+ reg = <0>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ spi-max-frequency = <25000000>;
+ vref-supply = <&adc_vref>;
+ spi-cpha;
+
+ channel@0 {
+ reg = <0>;
+ diff-channels = <0 1>;
+ };
+ channel@2 {
+ reg = <2>;
+ };
+ channel@3 {
+ reg = <3>;
+ };
+ channel@4 {
+ reg = <4>;
+ };
+ channel@5 {
+ reg = <5>;
+ };
+ channel@6 {
+ reg = <6>;
+ };
+ channel@7 {
+ reg = <7>;
+ };
+ };
+ }
diff --git a/MAINTAINERS b/MAINTAINERS
index e78317a5f4f1..5941cfc0d6f7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -819,6 +819,7 @@ L: linux-iio@...r.kernel.org
W: http://ez.analog.com/community/linux-device-drivers
S: Supported
F: drivers/iio/adc/ad7292.c
+F: Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
ANALOG DEVICES INC AD7606 DRIVER
M: Stefan Popa <stefan.popa@...log.com>
--
2.23.0
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