On Mon, Dec 14, 2015 at 03:42:11PM -0700, Joshua Henderson wrote:
> From: Andrei Pistirica <andrei.pistirica@xxxxxxxxxxxxx>
>
> Document the devicetree bindings for the UART peripheral found on
> Microchip PIC32 class devices.
>
> Signed-off-by: Andrei Pistirica <andrei.pistirica@xxxxxxxxxxxxx>
> Signed-off-by: Joshua Henderson <joshua.henderson@xxxxxxxxxxxxx>
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> .../bindings/serial/microchip,pic32-uart.txt | 29 ++++++++++++++++++++
> 1 file changed, 29 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt
>
> diff --git a/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt b/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt
> new file mode 100644
> index 0000000..65b38bf6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt
> @@ -0,0 +1,29 @@
> +* Microchip Universal Asynchronous Receiver Transmitter (UART)
> +
> +Required properties:
> +- compatible: Should be "microchip,pic32mzda-uart"
> +- reg: Should contain registers location and length
> +- interrupts: Should contain interrupt
> +- clocks: Phandle to the clock.
> + See: Documentation/devicetree/bindings/clock/clock-bindings.txt
> +- pinctrl-names: A pinctrl state names "default" must be defined.
> +- pinctrl-0: Phandle referencing pin configuration of the UART peripheral.
> + See: Documentation/devicetree/bindings/pinctrl/pinctrl-binding.txt
> +
> +Optional properties:
> +- cts-gpios: CTS pin for UART
> +
> +Example:
> + uart1: serial@1f822000 {
> + compatible = "microchip,pic32mzda-uart";
> + reg = <0x1f822000 0x50>;
> + interrupts = <112 IRQ_TYPE_LEVEL_HIGH>,
> + <113 IRQ_TYPE_LEVEL_HIGH>,
> + <114 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&PBCLK2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1
> + &pinctrl_uart1_cts
> + &pinctrl_uart1_rts>;
> + cts-gpios = <&gpio1 15 0>;
> + };
> --
> 1.7.9.5
>
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