From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Cousson, Benoit" Subject: Re: TI OMAP device tree and DSPs? Date: Thu, 8 Dec 2011 22:07:54 +0100 Message-ID: <4EE1272A.7090901@ti.com> References: <4EE0ECB5.2030407@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: Kumar Gala Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Discuss" List-Id: devicetree@vger.kernel.org On 12/8/2011 10:03 PM, Kumar Gala wrote: > > On Dec 8, 2011, at 10:58 AM, Cousson, Benoit wrote: > >> On 12/8/2011 5:07 PM, Kumar Gala wrote: >>> Seen a lot of ARM& TI OMAP discussions on this list. I was >>> wondering if the DSPs on any devices that have ARM + DSP are >>> represented in the device trees yet. >> >> So far, for the OMAP case, the DSP node is mostly empty. >> >> The issue is that I'm not sure we can represent in the same DT both MPU and DSP view, since the DT root is supposed to represent a processor. >> If we need the real DSP viewpoint, we will have to mostly duplicate the MPU view then remove MPU private peripherals and add the DSP private peripherals. >> >> Regards, >> Benoit > > Is there pointer to an example dts that show whatever you have for DSP ? Well this is really empty :-) Extract from the arch/arm/dts/omap3.dtsi soc { compatible = "ti,omap-infra"; mpu { compatible = "ti,omap3-mpu"; ti,hwmods = "mpu"; }; iva { compatible = "ti,iva2.2"; ti,hwmods = "iva"; dsp { compatible = "ti,omap3-c64"; }; }; }; Regards, Benoit