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Diffstat (limited to 'Documentation/devicetree/bindings/serial/8250.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/8250.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/8250.txt b/Documentation/devicetree/bindings/serial/8250.txt index 20d351f268ef..55700f20f6ee 100644 --- a/Documentation/devicetree/bindings/serial/8250.txt +++ b/Documentation/devicetree/bindings/serial/8250.txt @@ -56,6 +56,11 @@ Optional properties: - {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD line respectively. It will use specified GPIO instead of the peripheral function pin for the UART feature. If unsure, don't specify this property. +- aspeed,sirq-polarity-sense: Only applicable to aspeed,ast2500-vuart. + phandle to aspeed,ast2500-scu compatible syscon alongside register offset + and bit number to identify how the SIRQ polarity should be configured. + One possible data source is the LPC/eSPI mode bit. + Example: aspeed,sirq-polarity-sense = <&syscon 0x70 25> Note: * fsl,ns16550: |