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dt-bindings: iio: stm32-adc: add nvmem support for vrefint internal channel

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Add support of nvmem. This allows to retrieve calibration data from OTP
for vrefint internal channel.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211014131228.4692-3-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Olivier Moysan 2021-10-14 15:12:23 +02:00 committed by Jonathan Cameron
parent 664b9879f5
commit 6cd4ed8eb8
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
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@ -301,6 +301,14 @@ patternProperties:
$ref: /schemas/types.yaml#/definitions/uint32-array
deprecated: true
nvmem-cells:
items:
- description: Phandle to the calibration vrefint data provided by otp
nvmem-cell-names:
items:
- const: vrefint
patternProperties:
"^channel@([0-9]|1[0-9])$":
type: object