Re: [PATCH v2 09/14] DEVICETREE: Add bindings for PIC32 UART driver

[Rob Herring <robh@kernel.org>]

On Mon, Dec 14, 2015 at 03:42:11PM -0700, Joshua Henderson wrote:
> From: Andrei Pistirica <andrei.pistirica@microchip.com>
> 
> Document the devicetree bindings for the UART peripheral found on
> Microchip PIC32 class devices.
> 
> Signed-off-by: Andrei Pistirica <andrei.pistirica@microchip.com>
> Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
> Cc: Ralf Baechle <ralf@linux-mips.org>

Acked-by: Rob Herring <robh@kernel.org>

> ---
>  .../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
>