On Fri, Mar 05, 2021 at 03:01:40PM -0600, Rob Herring wrote: > On Fri, Feb 12, 2021 at 02:22:34PM -0800, mgross@xxxxxxxxxxxxxxx wrote: > > From: Daniele Alessandrelli <daniele.alessandrelli@xxxxxxxxx> > > > > Add DT binding documentation for the Intel Keem Bay IPC driver, which > > Bindings are for h/w blocks, not drivers. From a binding perspective, I > don't really care what the driver architecture for some OS looks like. I > continue to not understand what this h/w looks like. A block diagram > would help as would understanding what blocks have multiple clients > (mailboxes and xlink in particular). I'm working to gather this info. thanks! --mark > > > enables communication between the Computing Sub-System (CSS) and the > > Multimedia Sub-System (MSS) of the Intel Movidius SoC code named Keem > > Bay. > > > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > > Cc: devicetree@xxxxxxxxxxxxxxx > > Reviewed-by: Mark Gross <mgross@xxxxxxxxxxxxxxx> > > Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@xxxxxxxxx> > > Signed-off-by: Mark Gross <mgross@xxxxxxxxxxxxxxx> > > --- > > .../bindings/soc/intel/intel,keembay-ipc.yaml | 45 +++++++++++++++++++ > > 1 file changed, 45 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml > > > > diff --git a/Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml b/Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml > > new file mode 100644 > > index 000000000000..586fe73f4cd4 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml > > @@ -0,0 +1,45 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +# Copyright (C) 2020 Intel Corporation > > +%YAML 1.2 > > +--- > > +$id: "http://devicetree.org/schemas/soc/intel/intel,keembay-ipc.yaml#"; > > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > > + > > +title: Keem Bay IPC > > + > > +maintainers: > > + - Daniele Alessandrelli <daniele.alessandrelli@xxxxxxxxx> > > + > > +description: > > + The Keem Bay IPC driver enables Inter-Processor Communication (IPC) with the > > + Visual Processor Unit (VPU) embedded in the Intel Movidius SoC code named > > + Keem Bay. > > + > > +properties: > > + compatible: > > + const: intel,keembay-ipc > > + > > + memory-region: > > + items: > > + - description: > > + Reserved memory region used by the CPU to allocate IPC packets. > > + - description: > > + Reserved memory region used by the VPU to allocate IPC packets. > > + > > + mboxes: > > + description: VPU IPC Mailbox. > > + > > +required: > > + - compatible > > + - memory-region > > + - mboxes > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + ipc { > > + compatible = "intel,keembay-ipc"; > > + memory-region = <&ipc_cpu_reserved>, <&ipc_vpu_reserved>; > > + mboxes = <&vpu_ipc_mbox 0>; > > + }; > > -- > > 2.17.1 > >
