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dt-bindings: serial: stm32: add power-domains property 

STM32 serial may be in a power domain.
Allow a single 'power-domains' entry for STM32 serial devices.

Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240118091135.3314330-1-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valentin Caron 2024-01-18 10:11:35 +01:00 committed by Greg Kroah-Hartman
parent 173b097dcc
commit d6c0d892b4
1 changed files with 3 additions and 0 deletions
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Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
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@ -58,6 +58,9 @@ properties:
wakeup-source: true
power-domains:
maxItems: 1
rx-threshold:
description:
If value is set to 1, RX FIFO threshold is disabled.