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-rw-r--r--dts/Bindings/i2c/i2c-mux-pca954x.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/dts/Bindings/i2c/i2c-mux-pca954x.txt b/dts/Bindings/i2c/i2c-mux-pca954x.txt
index 34a3fb6f84..cf53d5fba2 100644
--- a/dts/Bindings/i2c/i2c-mux-pca954x.txt
+++ b/dts/Bindings/i2c/i2c-mux-pca954x.txt
@@ -16,6 +16,9 @@ Required Properties:
Optional Properties:
- reset-gpios: Reference to the GPIO connected to the reset input.
+ - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all
+ children in idle state. This is necessary for example, if there are several
+ multiplexers on the bus and the devices behind them use same I2C addresses.
Example: