Re: [PATCH 1/4] dt-bindings: iio: adc: sd modulator: add vref support
From: Jonathan Cameron <jic23@kernel.org>
Date: 2020-02-08 16:05:05
Also in:
linux-arm-kernel, linux-iio, lkml
On Tue, 4 Feb 2020 11:10:05 +0100 Olivier Moysan [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Add vref supply support to sigma delta modulator. Signed-off-by: Olivier Moysan <redacted> --- .../devicetree/bindings/iio/adc/sigma-delta-modulator.yaml | 4 ++++ 1 file changed, 4 insertions(+)diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml index a390343d0c2a..2afe0765e971 100644 --- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml +++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml@@ -8,6 +8,7 @@ title: Device-Tree bindings for sigma delta modulator maintainers: - Arnaud Pouliquen <arnaud.pouliquen@st.com> + - Olivier Moysan <olivier.moysan@st.com> properties: compatible:@@ -21,6 +22,9 @@ properties: '#io-channel-cells': const: 0 + vref-supply: + description: Phandle to the vref input analog reference voltage.
I note this in review of patch 2 but in general I'm not sure we should be introducing this for generic devices. It's fine if we have an explicit compatible but there is no reason to assume a generic sd-modulator uses an external reference. Jonathan
+ required: - compatible - '#io-channel-cells'