From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: The usage of compatible 'simple-bus' Date: Mon, 5 Jan 2009 13:20:53 -0600 Message-ID: <20090105192053.GB23766@ld0162-tx32.am.freescale.net> References: <3A45394FD742FA419B760BB8D398F9ED0B37E7@zch01exm26.fsl.freescale.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <3A45394FD742FA419B760BB8D398F9ED0B37E7-bKEhWGtIRUJ4Lp7cDGe+DVjVikpgYyvb5NbjCUgZEJk@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-mnsaURCQ41sdnm+yROfE0A@public.gmane.org Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-mnsaURCQ41sdnm+yROfE0A@public.gmane.org To: Li Yang Cc: linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org, devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org List-Id: devicetree@vger.kernel.org On Mon, Jan 05, 2009 at 06:27:39PM +0800, Li Yang wrote: > I got an assumption from the existing device trees that having > 'simple-bus' in the compatible property of a node means that all child > nodes should be added as of_platform_device in platform initialization > phase. No matter it represents a bus in common sense or not. Is this > truly the case? Yes, simple-bus indicates that the children can be driven standalone from any knowledge of the parent bus. > Shall we document this? It is documented in ePAPR. -Scott