[PATCH 2/7] dt-bindings: iio: adc: add nvmem support for vrefint internal channel

From: Olivier Moysan
Date: Wed Sep 08 2021 - 11:55:34 EST


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

Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
---
.../devicetree/bindings/iio/adc/st,stm32-adc.yaml | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
index a1f6cbe144ba..772e6cf95dc0 100644
--- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
@@ -298,6 +298,14 @@ patternProperties:
each channel.
$ref: /schemas/types.yaml#/definitions/uint32-array

+ 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
--
2.17.1