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SubjectRe: [PATCH 4/4] dt-bindings: iio: adc: ad7192: Add binding documentation for AD7192
On Mon, Aug 12, 2019 at 3:03 AM Mircea Caprioru
<mircea.caprioru@analog.com> wrote:
>
> This patch add device tree binding documentation for AD7192 adc in YAML
> format.
>
> Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
> ---
> .../bindings/iio/adc/adi,ad7192.yaml | 123 ++++++++++++++++++
> 1 file changed, 123 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
> new file mode 100644
> index 000000000000..a56ee391f6a8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
> @@ -0,0 +1,123 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2019 Analog Devices Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/iio/adc/adi,ad7192.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD7192 ADC device driver
> +
> +maintainers:
> + - Michael Hennerich <michael.hennerich@analog.com>
> +
> +description: |
> + Bindings for the Analog Devices AD7192 ADC device. Datasheet can be
> + found here:
> + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7192.pdf
> +
> +properties:
> + compatible:
> + enum:
> + - adi,ad7190
> + - adi,ad7192
> + - adi,ad7193
> + - adi,ad7195
> +
> + reg:
> + description: SPI chip select number for the device

Don't need a description as this is a standard property and there's
only 1 entry.

> + maxItems: 1
> +
> + spi-cpol: true
> +
> + spi-cpha: true
> +
> + clocks:
> + maxItems: 1
> + description: phandle to the master clock (mclk)
> +
> + clock-names:
> + items:
> + - const: mclk
> +
> + interrupts:
> + description: IRQ line for the ADC

Same here.

> + maxItems: 1
> +
> + dvdd-supply:
> + description: DVdd voltage supply
> + items:
> + - const: dvdd
> +
> + avdd-supply:
> + description: AVdd voltage supply
> + items:
> + - const: avdd
> +
> + adi,rejection-60-Hz-enable:
> + description: |
> + This bit enables a notch at 60 Hz when the first notch of the sinc
> + filter is at 50 Hz. When REJ60 is set, a filter notch is placed at
> + 60 Hz when the sinc filter first notch is at 50 Hz. This allows
> + simultaneous 50 Hz/ 60 Hz rejection.
> + type: boolean
> +
> + adi,refin2-pins-enable:
> + description: |
> + External reference applied between the P1/REFIN2(+) and P0/REFIN2(−) pins.
> + type: boolean
> +
> + adi,buffer-enable:
> + description: |
> + Enables the buffer on the analog inputs. If cleared, the analog inputs
> + are unbuffered, lowering the power consumption of the device. If this
> + bit is set, the analog inputs are buffered, allowing the user to place
> + source impedances on the front end without contributing gain errors to
> + the system.
> + type: boolean
> +
> + adi,burnout-currents-enable:
> + description: |
> + When this bit is set to 1, the 500 nA current sources in the signal
> + path are enabled. When BURN = 0, the burnout currents are disabled.
> + The burnout currents can be enabled only when the buffer is active
> + and when chop is disabled.
> + type: boolean
> +
> + bipolar:
> + description: see Documentation/devicetree/bindings/iio/adc/adc.txt
> + type: boolean
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - interrupts
> + - dvdd-supply
> + - avdd-supply
> + - spi-cpol
> + - spi-cpha
> +
> +examples:
> + - |
> + spi0 {
> + ad7192@0 {

adc@0

With those fixes,

Reviewed-by: Rob Herring <robh@kernel.org>

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