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Re: [RFC 10/11] MIPS: ralink: adds rt305x devicetree

To: John Crispin <blogic@openwrt.org>
Subject: Re: [RFC 10/11] MIPS: ralink: adds rt305x devicetree
From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 24 Jan 2013 14:52:57 +0100
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
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2013.01.23. 13:05 keltezéssel, John Crispin írta:
> This adds the devicetree file that describes the rt305x evaluation kit.
> 
> Signed-off-by: John Crispin <blogic@openwrt.org>
> ---
>  arch/mips/ralink/dts/rt305x.dts |  156 
> +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 156 insertions(+)
>  create mode 100644 arch/mips/ralink/dts/rt305x.dts
> 
> diff --git a/arch/mips/ralink/dts/rt305x.dts b/arch/mips/ralink/dts/rt305x.dts
> new file mode 100644
> index 0000000..6554cfd
> --- /dev/null
> +++ b/arch/mips/ralink/dts/rt305x.dts
> @@ -0,0 +1,156 @@
> +/dts-v1/;
> +
> +/ {
> +     #address-cells = <1>;
> +     #size-cells = <1>;
> +     compatible = "ralink,rt305x";
> +
> +     cpus {
> +             cpu@0 {
> +                     compatible = "mips,mips24KEc";
> +             };
> +     };
> +
> +     memory@0 {
> +             reg = <0x0 0x4000000>;
> +     };
> +
> +     chosen {
> +             bootargs = "console=ttyS0,57600 init=/init";
> +     };
> +
> +     palmbus@10000000 {
> +             compatible = "palmbus";
> +             reg = <0x10000000 0x200000>;
> +                ranges = <0x0 0x10000000 0x1FFFFF>;
> +
> +             #address-cells = <1>;
> +             #size-cells = <1>;
> +
> +             sysc@0 {
> +                     compatible = "ralink,sysc";

The <model> part of the compatible string should contain the SoC name as well.

For this particular node, the compatible property should be:
    compatible = "ralink,rt3050-sysc", "ralink,rt2880-sysc";

The first entry specifies the exact device and the second entry states that it
is compatible with the SYSC controller introduced in the RT2880 SoC.

This note applies to all other nodes as well.

-Gabor

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