microchip,pic32-uart.txt

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    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         };

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sys/contrib/device-tree/Bindings/serial/microchip,pic32-uart.txt