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-rw-r--r--Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt7
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt b/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt
index 12f3cf834deb..caaeb2583579 100644
--- a/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt
+++ b/Documentation/devicetree/bindings/serial/cirrus,clps711x-uart.txt
@@ -8,7 +8,8 @@ Required properties:
- syscon: Phandle to SYSCON node, which contain UART control bits.
Optional properties:
-- uart-use-ms: Indicate the UART has modem signal (DCD, DSR, CTS).
+- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD
+ line respectively.
Note: Each UART port should have an alias correctly numbered
in "aliases" node.
@@ -24,5 +25,7 @@ Example:
interrupts = <12 13>;
clocks = <&clks 11>;
syscon = <&syscon1>;
- uart-use-ms;
+ cts-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>;
+ dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>;
+ dcd-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>;
};