[PATCH 2/7] arm/dts: OMAP3: Add mpu and iva nodes

Arnd Bergmann arnd at arndb.de
Mon Sep 5 13:23:50 EDT 2011


On Monday 05 September 2011, Cousson, Benoit wrote:
> Yeah, I saw that in the "cpus" node documentation. My point here is that 
> I do need to represent the MPU subsystem that will contain the cpus. And 
> thus the Cortex is inside the MPU subsystem.
> 
> I can potentially keep the CPUs inside the cpus node, and just represent 
> the mpu node inside the soc, with potentially some phandle to the real 
> cpu nodes.
> 
> Something like that:
> 
> cpus {
>         cpu0: cpu at 0 {
>                         compatible = "arm,cortex-a8";
>         };
> };
> 
> [...]
> 
> soc {
>         compatible = "ti,omap-infra";
>         mpu {
>                 compatible = "ti,omap3-mpu";
>                 hwmods = "mpu";
>                 cpu at 0 {
>                         phandle = <&cpu0>;
>                         [...]
>                 };
>         };
> };

Yes, that looks good. I wouldn't name the attribute "phandle" if I could
think of anything better (which I can't at the moment).

	Arnd



More information about the linux-arm-kernel mailing list