Needed for in-kernel use of the child channels of the mux.
Fixes problems like this, reported by dtbs_check:
adc0mux: '#io-channel-cells' does not match any of the regexes: 'pinctrl-[0-9]+'
arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dt.yaml
Suggested-by: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx>
Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
---
.../devicetree/bindings/iio/multiplexer/io-channel-mux.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
index 5a7328042c76..80b6229a6fad 100644
--- a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
+++ b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
@@ -44,6 +44,9 @@ properties:
description:
Time required for analog signals to settle after muxing.
+ "#io-channel-cells":
+ const: 1
+
required:
- compatible
- io-channels
--
2.20.1
