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authorUwe Kleine-König2019-12-09 21:32:46 +0100
committerJonathan Cameron2019-12-15 12:15:19 +0000
commit59c3662b8f081832abaadfbc8a4bfb63c526aea8 (patch)
treec164b078ad1a38bde1bd422243ad3688c59f8afe /Documentation
parent64335c4a6720017c45e0c07313a7a819e55a084a (diff)
iio: adc: ltc2496: provide device tree binding document
The ADC only requires the standard stuff for spi devices and a reference voltage. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml47
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml b/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml
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index 000000000000..59009997dca0
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+++ b/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/lltc,ltc2496.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Linear Technology / Analog Devices LTC2496 ADC
+
+maintainers:
+ - Lars-Peter Clausen <lars@metafoo.de>
+ - Michael Hennerich <Michael.Hennerich@analog.com>
+ - Stefan Popa <stefan.popa@analog.com>
+
+properties:
+ compatible:
+ enum:
+ - lltc,ltc2496
+
+ vref-supply:
+ description: phandle to an external regulator providing the reference voltage
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/phandle
+
+ reg:
+ description: spi chipselect number according to the usual spi bindings
+
+ spi-max-frequency:
+ description: maximal spi bus frequency supported
+
+required:
+ - compatible
+ - vref-supply
+ - reg
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@0 {
+ compatible = "lltc,ltc2496";
+ reg = <0>;
+ vref-supply = <&ltc2496_reg>;
+ spi-max-frequency = <2000000>;
+ };
+ };