diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/rs485.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/rs485.yaml | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml index 0c9fa694f85c..90a1bab40f05 100644 --- a/Documentation/devicetree/bindings/serial/rs485.yaml +++ b/Documentation/devicetree/bindings/serial/rs485.yaml @@ -22,17 +22,22 @@ properties: - description: Delay between rts signal and beginning of data sent in milliseconds. It corresponds to the delay before sending data. default: 0 - maximum: 1000 + maximum: 100 - description: Delay between end of data sent and rts signal in milliseconds. It corresponds to the delay after sending data and actual release of the line. default: 0 - maximum: 1000 + maximum: 100 rs485-rts-active-low: description: drive RTS low when sending (default is high). $ref: /schemas/types.yaml#/definitions/flag + rs485-rx-active-high: + description: Polarity of receiver enable signal (when separate from RTS). + True indicates active high (default is low). + $ref: /schemas/types.yaml#/definitions/flag + linux,rs485-enabled-at-boot-time: description: enables the rs485 feature at boot time. It can be disabled later with proper ioctl. |