serial: etraxfs-uart: use mctrl_gpio helpers for handling modem signals
[linux-2.6-block.git] / Documentation / devicetree / bindings / serial / axis,etraxfs-uart.txt
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1ETRAX FS UART
2
3Required properties:
4- compatible : "axis,etraxfs-uart"
5- reg: offset and length of the register set for the device.
6- interrupts: device interrupt
7
8Optional properties:
7b9c5162 9- {dtr,dsr,rng,dcd}-gpios: specify a GPIO for DTR/DSR/RI/DCD
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10 line respectively.
11
12Example:
13
14serial@b00260000 {
15 compatible = "axis,etraxfs-uart";
16 reg = <0xb0026000 0x1000>;
17 interrupts = <68>;
18 status = "disabled";
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19 dtr-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>;
20 dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>;
21 rng-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>;
22 dcd-gpios = <&sysgpio 3 GPIO_ACTIVE_LOW>;
25e8f336 23};