diff options
| author | Martin Devera <devik@eaxlabs.cz> | 2021-03-28 17:43:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 12:06:52 +0200 |
| commit | 1b8dc3988dd204aef296047a02364b5ad823f1b4 (patch) | |
| tree | 58b8a9994897bf12e71c9df9637765c8076083bc /Documentation/devicetree/bindings/serial | |
| parent | 9594408763d439287742d5582842db6a476bbd71 (diff) | |
dt-bindings: serial: Add rx-tx-swap to stm32-usart
Add new rx-tx-swap property to allow for RX & TX pin swapping.
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Martin Devera <devik@eaxlabs.cz>
Link: https://lore.kernel.org/r/20210328154306.22674-1-devik@eaxlabs.cz
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.yaml | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml index 865be05083c3..c69f8464cdf3 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml @@ -9,9 +9,6 @@ maintainers: title: STMicroelectronics STM32 USART bindings -allOf: - - $ref: rs485.yaml - properties: compatible: enum: @@ -40,6 +37,8 @@ properties: uart-has-rtscts: true + rx-tx-swap: true + dmas: minItems: 1 maxItems: 2 @@ -66,13 +65,23 @@ properties: linux,rs485-enabled-at-boot-time: true rs485-rx-during-tx: true -if: - required: - - st,hw-flow-ctrl -then: - properties: - cts-gpios: false - rts-gpios: false +allOf: + - $ref: rs485.yaml# + - $ref: serial.yaml# + - if: + required: + - st,hw-flow-ctrl + then: + properties: + cts-gpios: false + rts-gpios: false + - if: + properties: + compatible: + const: st,stm32-uart + then: + properties: + rx-tx-swap: false required: - compatible |