Re: [Q] devicetree overlays

2020-08-12 Thread Frank Rowand
On 2020-08-12 08:27, Enrico Weigelt, metux IT consult wrote: > On 07.08.20 16:17, Sven Van Asbroeck wrote: > > Hi, > >> I believe you're asking: "how do I associate device tree nodes to >> devices on a dynamically discoverable bus such as USB or PCI" right ? >> >> I believe that already exists.

Re: [Q] devicetree overlays

2020-08-12 Thread Sven Van Asbroeck
On Wed, Aug 12, 2020 at 9:28 AM Enrico Weigelt, metux IT consult wrote: > > But I've still got another problem: how can I use DT along w/ ACPI ? > That's a very good question. I focus on arm, so I'm unfamiliar with ACPI. Hopefully someone with ACPI knowledge can chime in.

Re: [Q] devicetree overlays

2020-08-12 Thread Enrico Weigelt, metux IT consult
On 07.08.20 16:17, Sven Van Asbroeck wrote: Hi, > I believe you're asking: "how do I associate device tree nodes to > devices on a dynamically discoverable bus such as USB or PCI" right ? > > I believe that already exists. You can describe the _expected_ pci or > usb topology in the >

Re: [Q] devicetree overlays

2020-08-07 Thread Sven Van Asbroeck
Hello Enrico, On Fri, Aug 7, 2020 at 7:27 AM Enrico Weigelt, metux IT consult wrote: > > In both cases it would be nice to have the actual device configuration > written as a DT snippet, which just needs to be loaded. > I believe you're asking: "how do I associate device tree nodes to devices

Re: [Q] devicetree overlays

2020-08-07 Thread Enrico Weigelt, metux IT consult
On 16.04.20 16:46, Sven Van Asbroeck wrote: Hello folks, > My situation is this: I have hardware which consists of several modules. > Knowledge about the type and location of these modules is located in an > on-board eeprom. I've got a somewhat similar use cases, but not necessarily on

Re: [Q] devicetree overlays

2020-04-28 Thread Sven Van Asbroeck
Hello Frank, thank you for sharing your expertise. Much appreciated ! On Mon, Apr 27, 2020 at 4:26 PM Frank Rowand wrote: > > On 4/16/20 9:46 AM, Sven Van Asbroeck wrote: > > My situation is this: I have hardware which consists of several modules. > > Knowledge about the type and location of