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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2020-08-09 12:17:46 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-09-03 19:40:57 +0100
commite6d2aaa942adcc4be71688d9c4ac737cb6cf1327 (patch)
tree7466ac54334b9df39060bdc06b7e3f1bea775887
parentcee4a59395f9619acc8b944534890901de8ac4f3 (diff)
downloadlinux-e6d2aaa942adcc4be71688d9c4ac737cb6cf1327.tar.bz2
dt-bindings: iio: adc: ti,adc0832 yaml conversion.
Simple binding conversion of this SPI ADC binding, with reference voltage. Added the optional property #io-channel-cells to allow for consumers of channels if that makes sense for a given board. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Rob Herring <robh@kernel.org> Cc: Akinobu Mita <akinobu.mita@gmail.com> Link: https://lore.kernel.org/r/20200809111753.156236-7-jic23@kernel.org
-rw-r--r--Documentation/devicetree/bindings/iio/adc/ti,adc0832.yaml56
-rw-r--r--Documentation/devicetree/bindings/iio/adc/ti-adc0832.txt19
2 files changed, 56 insertions, 19 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/ti,adc0832.yaml b/Documentation/devicetree/bindings/iio/adc/ti,adc0832.yaml
new file mode 100644
index 000000000000..f5a923cc847f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,adc0832.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,adc0832.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments ADC0832 and similar ADCs
+
+maintainers:
+ - Akinobu Mita <akinobu.mita@gmail.com>
+
+description: |
+ 8 bit ADCs with 1, 2, 4 or 8 inputs for single ended or differential
+ conversion.
+
+properties:
+ compatible:
+ enum:
+ - ti,adc0831
+ - ti,adc0832
+ - ti,adc0834
+ - ti,adc0838
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency: true
+
+ vref-supply:
+ description: External reference, needed to establish input scaling
+
+ "#io-channel-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - vref-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@0 {
+ compatible = "ti,adc0832";
+ reg = <0>;
+ vref-supply = <&vdd_supply>;
+ spi-max-frequency = <200000>;
+ #io-channel-cells = <1>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/iio/adc/ti-adc0832.txt b/Documentation/devicetree/bindings/iio/adc/ti-adc0832.txt
deleted file mode 100644
index d91130587d01..000000000000
--- a/Documentation/devicetree/bindings/iio/adc/ti-adc0832.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-* Texas Instruments' ADC0831/ADC0832/ADC0832/ADC0838
-
-Required properties:
- - compatible: Should be one of
- * "ti,adc0831"
- * "ti,adc0832"
- * "ti,adc0834"
- * "ti,adc0838"
- - reg: spi chip select number for the device
- - vref-supply: The regulator supply for ADC reference voltage
- - spi-max-frequency: Max SPI frequency to use (< 400000)
-
-Example:
-adc@0 {
- compatible = "ti,adc0832";
- reg = <0>;
- vref-supply = <&vdd_supply>;
- spi-max-frequency = <200000>;
-};