diff options
author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-10-31 18:12:36 +0000 |
---|---|---|
committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-12-03 19:40:19 +0000 |
commit | 66a6dcc20e6317cfbcc6181d2b98900db7b93b17 (patch) | |
tree | 42fa4781001346927a903e3108c390f7fb854650 /Documentation | |
parent | a86319f42c7b5f807fb03241a87023fa4640b4c7 (diff) |
dt-bindings:iio:adc:envelope-detector: txt to yaml conversion.
Straight forward format conversion. The example in here is fun in
that it has 2 separate provider / consumer pairs.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Peter Rosin <peda@axentia.se>
Link: https://lore.kernel.org/r/20201031181242.742301-5-jic23@kernel.org
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/iio/adc/envelope-detector.txt | 54 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/iio/adc/envelope-detector.yaml | 86 |
2 files changed, 86 insertions, 54 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/envelope-detector.txt b/Documentation/devicetree/bindings/iio/adc/envelope-detector.txt deleted file mode 100644 index 27544bdd4478..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/envelope-detector.txt +++ /dev/null @@ -1,54 +0,0 @@ -Bindings for ADC envelope detector using a DAC and a comparator - -The DAC is used to find the peak level of an alternating voltage input -signal by a binary search using the output of a comparator wired to -an interrupt pin. Like so: - _ - | \ - input +------>-------|+ \ - | \ - .-------. | }---. - | | | / | - | dac|-->--|- / | - | | |_/ | - | | | - | | | - | irq|------<-------' - | | - '-------' - -Required properties: -- compatible: Should be "axentia,tse850-envelope-detector" -- io-channels: Channel node of the dac to be used for comparator input. -- io-channel-names: Should be "dac". -- interrupt specification for one client interrupt, - see ../../interrupt-controller/interrupts.txt for details. -- interrupt-names: Should be "comp". - -Example: - - &i2c { - dpot: mcp4651-104@28 { - compatible = "microchip,mcp4651-104"; - reg = <0x28>; - #io-channel-cells = <1>; - }; - }; - - dac: dac { - compatible = "dpot-dac"; - vref-supply = <®_3v3>; - io-channels = <&dpot 0>; - io-channel-names = "dpot"; - #io-channel-cells = <1>; - }; - - envelope-detector { - compatible = "axentia,tse850-envelope-detector"; - io-channels = <&dac 0>; - io-channel-names = "dac"; - - interrupt-parent = <&gpio>; - interrupts = <3 IRQ_TYPE_EDGE_FALLING>; - interrupt-names = "comp"; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/envelope-detector.yaml b/Documentation/devicetree/bindings/iio/adc/envelope-detector.yaml new file mode 100644 index 000000000000..296d5459b40a --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/envelope-detector.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/envelope-detector.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC envelope detector using a DAC and a comparator + +maintainers: + - Peter Rosin <peda@axentia.se> + +description: | + The DAC is used to find the peak level of an alternating voltage input + signal by a binary search using the output of a comparator wired to + an interrupt pin. Like so: + _ + | \ + input +------>-------|+ \ + | \ + .-------. | }---. + | | | / | + | dac|-->--|- / | + | | |_/ | + | | | + | | | + | irq|------<-------' + | | + '-------' + +properties: + compatible: + const: axentia,tse850-envelope-detector + + io-channels: + maxItems: 1 + description: Channel node of the dac to be used for comparator input. + + io-channel-names: + const: dac + + interrupts: + maxItems: 1 + + interrupt-names: + const: comp + +required: + - compatible + - io-channels + - io-channel-names + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + dpot: dpot@28 { + compatible = "microchip,mcp4651-104"; + reg = <0x28>; + #io-channel-cells = <1>; + }; + }; + + dac: dac { + compatible = "dpot-dac"; + vref-supply = <®_3v3>; + io-channels = <&dpot 0>; + io-channel-names = "dpot"; + #io-channel-cells = <1>; + }; + + envelope-detector { + compatible = "axentia,tse850-envelope-detector"; + io-channels = <&dac 0>; + io-channel-names = "dac"; + + interrupt-parent = <&gpio>; + interrupts = <3 IRQ_TYPE_EDGE_FALLING>; + interrupt-names = "comp"; + }; +... |