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Re: [PATCH 4/6] DT: MIPS: ralink: add RT2880 dts files

To: John Crispin <blogic@openwrt.org>
Subject: Re: [PATCH 4/6] DT: MIPS: ralink: add RT2880 dts files
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 14 Apr 2013 11:53:05 +0200
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org, devicetree-discuss@lists.ozlabs.org
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2013.04.13. 10:50 keltezéssel, John Crispin írta:
> Add a dtsi file for RT2880 SoC and a sample dts file.
> 
> Signed-off-by: John Crispin <blogic@openwrt.org>
> ---
>  arch/mips/ralink/Kconfig             |    4 +++
>  arch/mips/ralink/dts/Makefile        |    1 +
>  arch/mips/ralink/dts/rt2880.dtsi     |   58 
> ++++++++++++++++++++++++++++++++++
>  arch/mips/ralink/dts/rt2880_eval.dts |   48 ++++++++++++++++++++++++++++
>  4 files changed, 111 insertions(+)
>  create mode 100644 arch/mips/ralink/dts/rt2880.dtsi
>  create mode 100644 arch/mips/ralink/dts/rt2880_eval.dts
> 
> diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
> index 86f6c77..2f6fbb8 100644
> --- a/arch/mips/ralink/Kconfig
> +++ b/arch/mips/ralink/Kconfig
> @@ -34,6 +34,10 @@ choice
>       config DTB_RT_NONE
>               bool "None"
>  
> +     config DTB_RT2880_EVAL
> +             bool "RT2880 eval kit"
> +             depends on SOC_RT288X
> +
>       config DTB_RT305X_EVAL
>               bool "RT305x eval kit"
>               depends on SOC_RT305X
> diff --git a/arch/mips/ralink/dts/Makefile b/arch/mips/ralink/dts/Makefile
> index 1a69fb3..f635a01 100644
> --- a/arch/mips/ralink/dts/Makefile
> +++ b/arch/mips/ralink/dts/Makefile
> @@ -1 +1,2 @@
> +obj-$(CONFIG_DTB_RT2880_EVAL) := rt2880_eval.dtb.o
>  obj-$(CONFIG_DTB_RT305X_EVAL) := rt3052_eval.dtb.o
> diff --git a/arch/mips/ralink/dts/rt2880.dtsi 
> b/arch/mips/ralink/dts/rt2880.dtsi
> new file mode 100644
> index 0000000..182afde
> --- /dev/null
> +++ b/arch/mips/ralink/dts/rt2880.dtsi
> @@ -0,0 +1,58 @@
> +/ {
> +     #address-cells = <1>;
> +     #size-cells = <1>;
> +     compatible = "ralink,rt2880-soc";
> +
> +     cpus {
> +             cpu@0 {
> +                     compatible = "mips,mips4KEc";
> +             };
> +     };
> +
> +     cpuintc: cpuintc@0 {
> +             #address-cells = <0>;
> +             #interrupt-cells = <1>;
> +             interrupt-controller;
> +             compatible = "mti,cpu-interrupt-controller";
> +     };
> +
> +     palmbus@300000 {
> +             compatible = "palmbus";
> +             reg = <0x300000 0x200000>;
> +                ranges = <0x0 0x300000 0x1FFFFF>;
> +
> +             #address-cells = <1>;
> +             #size-cells = <1>;
> +
> +             sysc@0 {
> +                     compatible = "ralink,rt2880-sysc";
> +                     reg = <0x0 0x100>;
> +             };
> +
> +             intc: intc@200 {
> +                     compatible = "ralink,rt2880-intc";
> +                     reg = <0x200 0x100>;
> +
> +                     interrupt-controller;
> +                     #interrupt-cells = <1>;
> +
> +                     interrupt-parent = <&cpuintc>;
> +                     interrupts = <2>;
> +             };
> +
> +             memc@300 {
> +                     compatible = "ralink,rt2880-memc";
> +                     reg = <0x300 0x100>;
> +             };
> +
> +             uartlite@c00 {
> +                     compatible = "ralink,rt2880-uart", "ns16550a";
> +                     reg = <0xc00 0x100>;
> +
> +                     interrupt-parent = <&intc>;
> +                     interrupts = <8>;
> +
> +                     reg-shift = <2>;
> +             };
> +     };
> +};
> diff --git a/arch/mips/ralink/dts/rt2880_eval.dts 
> b/arch/mips/ralink/dts/rt2880_eval.dts
> new file mode 100644
> index 0000000..e967b43
> --- /dev/null
> +++ b/arch/mips/ralink/dts/rt2880_eval.dts
> @@ -0,0 +1,48 @@
> +/dts-v1/;
> +
> +/include/ "rt2880.dtsi"
> +
> +/ {
> +     #address-cells = <1>;
> +     #size-cells = <1>;

These -cells properties are superfluous, because the rt2880.dtsi file contains
these already.

-Gabor

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