Re: [PATCH v2] ARM: dts: zynq: Add OCM node

[Mark Rutland]

On Thu, Feb 12, 2015 at 10:42:47AM +0000, Michal Simek wrote:
> Add OCM node for all zynq boards. OCM location
> can changed but for all current boards this
> is the location where OCM is.`
> 
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> ---
> 
> Changes in v2:
> - Move node to board file suggested by Mark
> 
> This patch is done based on discussion here.
> https://lkml.org/lkml/2014/12/1/396
> 
> Mark: I expect you won't like amba bus reference or
> am I wrong?

I'm fine with dropping things onto a bus in this way. If we're happy to
do it for other nodes I don't see why busses should be special.

Mark.

> 
> ---
>  arch/arm/boot/dts/zynq-7000.dtsi | 2 +-
>  arch/arm/boot/dts/zynq-zc702.dts | 7 +++++++
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index a5cd2eda3edf..acca3c180324 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -57,7 +57,7 @@
>  		regulator-always-on;
>  	};
>  
> -	amba {
> +	amba: amba {
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
>  		#size-cells = <1>;
> diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
> index fb59d34e8ee6..79077c5ac60e 100644
> --- a/arch/arm/boot/dts/zynq-zc702.dts
> +++ b/arch/arm/boot/dts/zynq-zc702.dts
> @@ -50,6 +50,13 @@
>  	};
>  };
>  
> +&amba {
> +	ocm: sram@fffc0000 {
> +		compatible = "mmio-sram";
> +		reg = <0xfffc0000 0x10000>;
> +	};
> +};
> +
>  &can0 {
>  	status = "okay";
>  	pinctrl-names = "default";
> -- 
> 1.8.2.3
> 
> 
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