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    SubjectRe: [PATCH 09/14] DEVICETREE: Add bindings for PIC32 usart driver
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    Hello.

    On 11/21/2015 3:17 AM, Joshua Henderson wrote:

    > From: Andrei Pistirica <andrei.pistirica@microchip.com>
    >
    > Document the devicetree bindings for the USART 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>
    > ---
    > .../bindings/serial/microchip,pic32-usart.txt | 29 ++++++++++++++++++++
    > 1 file changed, 29 insertions(+)
    > create mode 100644 Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt
    >
    > diff --git a/Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt b/Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt
    > new file mode 100644
    > index 0000000..c87321c
    > --- /dev/null
    > +++ b/Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt
    > @@ -0,0 +1,29 @@
    > +* Microchip Universal Synchronous Asynchronous Receiver/Transmitter (USART)
    > +
    > +Required properties:
    > +- compatible: Should be "microchip,pic32-usart"
    > +- reg: Should contain registers location and length
    > +- interrupts: Should contain interrupt
    > +- pinctrl: Should contain pinctrl for TX/RX/RTS/CTS

    No such prop in the example.

    > +
    > +Optional properties:
    > +- microchip,uart-has-rtscts : Indicate the uart has hardware flow control
    > +- rts-gpios: RTS pin for USP-based UART if microchip,uart-has-rtscts
    > +- cts-gpios: CTS pin for USP-based UART if microchip,uart-has-rtscts
    > +
    > +Example:
    > + usart0: serial@1f822000 {
    > + compatible = "microchip,pic32-usart";
    > + reg = <0x1f822000 0x50>;
    > + interrupts = <UART1_FAULT DEFAULT_INT_PRI IRQ_TYPE_NONE>,
    > + <UART1_RECEIVE_DONE DEFAULT_INT_PRI IRQ_TYPE_NONE>,
    > + <UART1_TRANSFER_DONE DEFAULT_INT_PRI IRQ_TYPE_NONE>;
    > + pinctrl-names = "default";
    > + pinctrl-0 = <
    > + &pinctrl_uart1
    > + &pinctrl_uart1_cts
    > + &pinctrl_uart1_rts>;

    The above 2 props are undocumented.

    [...]

    MBR, Sergei



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