On Mon, Jan 21, 2019 at 05:12:16PM -0800, Hyun Kwon wrote:
> Add the dt bindings for Xilinx AI Engine, which is a tile processor
> with many cores. The compatible string, 'xlnx,mathengine' is kept for
> backward compatibility as it's the legacy name.
>
> Signed-off-by: Hyun Kwon <hyun.kwon@xxxxxxxxxx>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> ---
> .../devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt | 19 +++++++++++++++++++
> MAINTAINERS | 5 +++++
> 2 files changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt
>
> diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt b/Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt
> new file mode 100644
> index 0000000..fade9d0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt
> @@ -0,0 +1,19 @@
> +Xilinx AI Engine
> +----------------
> +
> +The Xilinx AI Engine is a tile processor with many cores (up to 400) that
> +can run in parallel. The data routing between cores is configured through
> +internal switches, and shim tiles interface with external interconnect, such
> +as memory or PL.
> +
> +Required properties:
> +
> +- compatible: Must be "xlnx,ai_engine", or "xlnx,mathengine" for legacy name.
Use '-' rather than '_'. No legacy names. It didn't reviewed and we're
not going to be stuck with it.
Only 1 version of the IP? The compatible should be more specific.
Are details like number of cores discoverable?
> +- reg: Physical base address and length of the registers set for the device.
> +
> +Example:
> +
> + ai_engine@80000000 {
> + compatible = "xlnx,ai_engine";
> + reg = <0x0 0x80000000 0x0 0x20000000>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 32d44447..d119d1d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -16040,6 +16040,11 @@ F: Documentation/driver-api/uio-howto.rst
> F: drivers/uio/
> F: include/linux/uio_driver.h
>
> +USERSPACE I/O (UIO) DRIVER FOR XILINX AI ENGINE
> +M: Hyun Kwon <hyun.kwon@xxxxxxxxxx>
> +S: Maintained
> +F: Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt
> +
> UTIL-LINUX PACKAGE
> M: Karel Zak <kzak@xxxxxxxxxx>
> L: util-linux@xxxxxxxxxxxxxxx
> --
> 2.7.4
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
