diff options
Diffstat (limited to 'Documentation')
4 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index 860a9559839a..89b92c1314cf 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -9,7 +9,8 @@ Optional properties: - fsl,irda-mode : Indicate the uart supports irda mode - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works in DCE mode by default. -- rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt +- rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx, + linux,rs485-enabled-at-boot-time: see rs485.txt Please check Documentation/devicetree/bindings/serial/serial.txt for the complete list of generic properties. diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt index 59567b51cf09..6bd3f2e93d61 100644 --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt @@ -16,7 +16,8 @@ Required properties: Optional properties: - dmas: A list of two dma specifiers, one for each entry in dma-names. - dma-names: should contain "tx" and "rx". -- rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt +- rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx, + linux,rs485-enabled-at-boot-time: see rs485.txt Note: Optional properties for DMA support. Write them both or both not. diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt index 43eac675f21f..4b0f05adb228 100644 --- a/Documentation/devicetree/bindings/serial/omap_serial.txt +++ b/Documentation/devicetree/bindings/serial/omap_serial.txt @@ -20,6 +20,7 @@ Optional properties: node and a DMA channel number. - dma-names : "rx" for receive channel, "tx" for transmit channel. - rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt +- rs485-rts-active-high: drive RTS high when sending (default is low). Example: diff --git a/Documentation/devicetree/bindings/serial/rs485.txt b/Documentation/devicetree/bindings/serial/rs485.txt index b8415936dfdb..b7c29f74ebb2 100644 --- a/Documentation/devicetree/bindings/serial/rs485.txt +++ b/Documentation/devicetree/bindings/serial/rs485.txt @@ -12,6 +12,7 @@ Optional properties: * b is the 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. If this property is not specified, <0 0> is assumed. +- rs485-rts-active-low: drive RTS low when sending (default is high). - linux,rs485-enabled-at-boot-time: empty property telling to enable the rs485 feature at boot time. It can be disabled later with proper ioctl. - rs485-rx-during-tx: empty property that enables the receiving of data even |