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authorRob Herring <robh@kernel.org>2015-03-10 09:03:04 -0500
committerRob Herring <robh@kernel.org>2015-03-10 09:03:04 -0500
commit2c192699a7050ef5bdf1e2cc95fdddfbcf524509 (patch)
tree945d4553691ecb24151a2fa83b7d489665dd3248 /Documentation/devicetree/bindings/serial
parentserial: add device tree binding documentation for ETRAX FS UART (diff)
parentLinux 4.0-rc3 (diff)
downloadlinux-dev-2c192699a7050ef5bdf1e2cc95fdddfbcf524509.tar.xz
linux-dev-2c192699a7050ef5bdf1e2cc95fdddfbcf524509.zip
Merge tag 'v4.0-rc3' into HEAD
Linux 4.0-rc3 Merging in v4.0-rc3 because commit 30a22c215a00 (console: Fix console name size mismatch) is a dependency.
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
-rw-r--r--Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt16
1 files changed, 16 insertions, 0 deletions
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: