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    SubjectRe: [PATCH 2/2] ARM: dts: sun8i: enable UART1 for iNet D978 Rev2 board
    Hi,

    On Thu, Aug 25, 2016 at 02:57:24PM +0800, Icenowy Zheng wrote:
    > >>>>   diff --git a/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts b/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts
    > >>>>   index 78823d8..3ac22d4 100644
    > >>>>   --- a/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts
    > >>>>   +++ b/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts
    > >>>>   @@ -48,6 +48,10 @@
    > >>>>            model = "INet-D978 Rev 02";
    > >>>>            compatible = "primux,inet-d978-rev2", "allwinner,sun8i-a33";
    > >>>>
    > >>>>   + aliases {
    > >>>>   + serial1 = &uart1;
    > >>>>   + };
    > >>>>   +
    > >>>
    > >>>  Is there any other UART in the system?
    > >>
    > >>  serial0 is defined in sun8i-reference-design-tablet.dtsi, as r_uart.
    > >
    > > If your board does not have r_uart pads, then the right thing to do
    > > would be to disable it. You can then have uart1 as serial0.
    >
    > I don't know it. The RX/TX is wired on PF2/PF4 on the board (UART0 muxed with
    > MMC)

    Then you don't support it and you need to disable it.

    > But many codes will require a ttyS0 as console... So I think the
    > bluetooth should be located at ttyS1...

    Most of them would use /dev/console anyway. What do you have in mind?

    Maxime

    --
    Maxime Ripard, Free Electrons
    Embedded Linux and Kernel engineering
    http://free-electrons.com
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