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dt-bindings: iio: ad7124: Fix dtc warnings in example 

With the conversion to DT schema, the examples are now compiled with
dtc. The ad7124 binding example has the following warning:

Documentation/devicetree/bindings/iio/adc/adi,ad7124.example.dts:19.11-21: \
Warning (reg_format): /example-0/adc@0:reg: property has invalid length (4 bytes) (#address-cells == 1, #size-cells == 1)

There's a default #size-cells and #address-cells values of 1 for
examples. For examples needing different values such as this one on a
SPI bus, they need to provide a SPI bus parent node.

Fixes: 26ae15e62d ("Convert AD7124 bindings documentation to YAML format.")

Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2019-07-16 14:21:56 -06:00
parent fbbf2b6e9b
commit 20051f5fdf
1 changed files with 35 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml
View File

@ -114,42 +114,47 @@ patternProperties:
examples:
- |
adc@0 {
compatible = "adi,ad7124-4";
reg = <0>;
spi-max-frequency = <5000000>;
interrupts = <25 2>;
interrupt-parent = <&gpio>;
refin1-supply = <&adc_vref>;
clocks = <&ad7124_mclk>;
clock-names = "mclk";
spi {
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
adc@0 {
compatible = "adi,ad7124-4";
reg = <0>;
diff-channels = <0 1>;
adi,reference-select = <0>;
adi,buffered-positive;
};
spi-max-frequency = <5000000>;
interrupts = <25 2>;
interrupt-parent = <&gpio>;
refin1-supply = <&adc_vref>;
clocks = <&ad7124_mclk>;
clock-names = "mclk";
channel@1 {
reg = <1>;
bipolar;
diff-channels = <2 3>;
adi,reference-select = <0>;
adi,buffered-positive;
adi,buffered-negative;
};
#address-cells = <1>;
#size-cells = <0>;
channel@2 {
reg = <2>;
diff-channels = <4 5>;
};
channel@0 {
reg = <0>;
diff-channels = <0 1>;
adi,reference-select = <0>;
adi,buffered-positive;
};
channel@3 {
reg = <3>;
diff-channels = <6 7>;
channel@1 {
reg = <1>;
bipolar;
diff-channels = <2 3>;
adi,reference-select = <0>;
adi,buffered-positive;
adi,buffered-negative;
};
channel@2 {
reg = <2>;
diff-channels = <4 5>;
};
channel@3 {
reg = <3>;
diff-channels = <6 7>;
};
};
};