Merge branch 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / serial / microchip,pic32-uart.txt
1 * Microchip Universal Asynchronous Receiver Transmitter (UART)
2
3 Required properties:
4 - compatible: Should be "microchip,pic32mzda-uart"
5 - reg: Should contain registers location and length
6 - interrupts: Should contain interrupt
7 - clocks: Phandle to the clock.
8           See: Documentation/devicetree/bindings/clock/clock-bindings.txt
9 - pinctrl-names: A pinctrl state names "default" must be defined.
10 - pinctrl-0: Phandle referencing pin configuration of the UART peripheral.
11              See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
12
13 Optional properties:
14 - cts-gpios: CTS pin for UART
15
16 Example:
17         uart1: serial@1f822000 {
18                 compatible = "microchip,pic32mzda-uart";
19                 reg = <0x1f822000 0x50>;
20                 interrupts = <112 IRQ_TYPE_LEVEL_HIGH>,
21                         <113 IRQ_TYPE_LEVEL_HIGH>,
22                         <114 IRQ_TYPE_LEVEL_HIGH>;
23                 clocks = <&rootclk PB2CLK>;
24                 pinctrl-names = "default";
25                 pinctrl-0 = <&pinctrl_uart1
26                                 &pinctrl_uart1_cts
27                                 &pinctrl_uart1_rts>;
28                 cts-gpios = <&gpio1 15 0>;
29         };