Hi Matthias,
On Fri, Jan 02, 2015 at 07:48:05PM +0100, Matthias Brugger wrote:
> This patch enables uart port for the Aquaris5 mobile phone.
>
> Signed-off-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
> ---
> arch/arm/boot/dts/mt6589-aquaris5.dts | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/mt6589-aquaris5.dts b/arch/arm/boot/dts/mt6589-aquaris5.dts
> index 0da0470..d5cbfda 100644
> --- a/arch/arm/boot/dts/mt6589-aquaris5.dts
> +++ b/arch/arm/boot/dts/mt6589-aquaris5.dts
> @@ -21,10 +21,16 @@
> compatible = "mundoreader,bq-aquaris5", "mediatek,mt6589";
>
> chosen {
> - bootargs = "earlyprintk";
> + bootargs = "console=ttyS0,921600n8 earlyprintk";
> };
stdout-path = &uart0;
Should work aswell and makes you independent from the way the kernel
decides to number the UARTs.
>
> memory {
> reg = <0x80000000 0x40000000>;
> };
> +
> + soc {
> + uart0: serial@11006000 {
> + status = "okay";
> + };
> + };
By using the & notation you don't have to resemble the tree structure in
the board file, like this:
&uart0 {
status = "okay";
};
See for example the omap, i.MX or other dts files.
Sascha
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