[PATCH v2 8/9] ARM: DTS: AM33XX: Add nodes for OCMC RAM and WKUP-M3

Bedia, Vaibhav vaibhav.bedia at ti.com
Tue Jan 29 05:07:57 EST 2013


On Tue, Jan 29, 2013 at 13:50:44, Peter Korsgaard wrote:
> >>>>> "Vaibhav" == Vaibhav Bedia <vaibhav.bedia at ti.com> writes:
> 
>  Vaibhav> Since AM33XX supports only DT-boot, this is needed
>  Vaibhav> for the appropriate device nodes to be created.
> 
>  Vaibhav> Note: OCMC RAM is part of the PER power domain and supports
>  Vaibhav> retention. The assembly code for low power entry/exit will
>  Vaibhav> run from OCMC RAM. To ensure that the OMAP PM code does not
>  Vaibhav> attempt to disable the clock to OCMC RAM as part of the
>  Vaibhav> suspend process add the no_idle_on_suspend flag.
> 
>  Vaibhav> Signed-off-by: Vaibhav Bedia <vaibhav.bedia at ti.com>
>  Vaibhav> Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
>  Vaibhav> ---
>  Vaibhav> v2: Add reg property
> 
>  Vaibhav>  arch/arm/boot/dts/am33xx.dtsi | 14 +++++++++++++
>  Vaibhav>  1 file changed, 14 insertions(+)
> 
>  Vaibhav> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
>  Vaibhav> index c2f14e8..423f898 100644
>  Vaibhav> --- a/arch/arm/boot/dts/am33xx.dtsi
>  Vaibhav> +++ b/arch/arm/boot/dts/am33xx.dtsi
>  Vaibhav> @@ -385,5 +385,19 @@
>  Vaibhav>  				mac-address = [ 00 00 00 00 00 00 ];
>  Vaibhav>  			};
>  Vaibhav>  		};
>  Vaibhav> +
>  Vaibhav> +		ocmcram: ocmcram at 40300000 {
>  Vaibhav> +			compatible = "ti,ocmcram";
>  Vaibhav> +			reg = <0x40300000 0x10000>;
>  Vaibhav> +			ti,hwmods = "ocmcram";
>  Vaibhav> +			ti,no_idle_on_suspend;
>  Vaibhav> +		};
>  Vaibhav> +
>  Vaibhav> +		wkup_m3: wkup_m3 at 44d00000 {
>  Vaibhav> +			compatible = "ti,wkup_m3";
> 
> 
> Both of these compatible properties should probably use less generic
> names, like:
> 
> ti,am3352-ocmcram
> ti,am3352-wkup-m3 ('-' instead of '_')
> 

Ok. Will do.

Thanks,
Vaibhav



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