X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=Documentation%2Fdevicetree%2Fbindings%2Fserial%2Fsnps-dw-apb-uart.txt;h=289c40ed747042a70b13f9912dc0b5c443f7827e;hb=dfd37668ea6d5029fb5d8a66ea5e202d0655fad7;hp=7f76214f728aa6028f133a94d04f183ccb3b1c38;hpb=09c626892772e6fe03f768b3492fbb126f465fe6;p=deliverable%2Flinux.git

diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt
index 7f76214f728a..289c40ed7470 100644
--- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt
+++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt
@@ -21,6 +21,18 @@ Optional properties:
 - reg-io-width : the size (in bytes) of the IO accesses that should be
   performed on the device.  If this property is not present then single byte
   accesses are used.
+- dcd-override : Override the DCD modem status signal. This signal will always
+  be reported as active instead of being obtained from the modem status
+  register. Define this if your serial port does not use this pin.
+- dsr-override : Override the DTS modem status signal. This signal will always
+  be reported as active instead of being obtained from the modem status
+  register. Define this if your serial port does not use this pin.
+- cts-override : Override the CTS modem status signal. This signal will always
+  be reported as active instead of being obtained from the modem status
+  register. Define this if your serial port does not use this pin.
+- ri-override : Override the RI modem status signal. This signal will always be
+  reported as inactive instead of being obtained from the modem status register.
+  Define this if your serial port does not use this pin.
 
 Example:
 
@@ -31,6 +43,10 @@ Example:
 		interrupts = <10>;
 		reg-shift = <2>;
 		reg-io-width = <4>;
+		dcd-override;
+		dsr-override;
+		cts-override;
+		ri-override;
 	};
 
 Example with one clock: