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authorErwan Le Ray <erwan.leray@st.com>2020-05-20 15:39:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-01 15:19:37 +0200
commitb2cc2b5111db43b35b5de7252127bbc8d6806e34 (patch)
treee1c898472b1043628dde8d6fff06753ee7c21f43 /Documentation/devicetree/bindings/serial
parent890814504eeb930c15a1e238c3fff7dfc238b8c9 (diff)
dt-bindings: serial: add generic DT binding for announcing RTS/CTS lines
Add support of generic DT binding for annoucing RTS/CTS lines. The initial binding 'st,hw-flow-control' is not needed anymore since generic binding is available, but is kept for backward compatibility. Signed-off-by: Erwan Le Ray <erwan.leray@st.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200520133932.30441-2-erwan.leray@st.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
-rw-r--r--Documentation/devicetree/bindings/serial/st,stm32-uart.yaml4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
index 75b8521eb7cb..06d5f251ec88 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
@@ -35,9 +35,11 @@ properties:
description: label associated with this uart
st,hw-flow-ctrl:
- description: enable hardware flow control
+ description: enable hardware flow control (deprecated)
$ref: /schemas/types.yaml#/definitions/flag
+ uart-has-rtscts: true
+
dmas:
minItems: 1
maxItems: 2