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SubjectRe: [RFC PATCHv2 1/3] dt-bindings: misc: Add dt bindings for flex noc Performance Monitor
On Thu, Sep 26, 2019 at 10:46:24AM +0530, Shubhrajyoti Datta wrote:
> Add dt bindings for flexnoc Performance Monitor.
> The flexnoc counters for read and write response and requests are
> supported.
>
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
> ---
> .../devicetree/bindings/misc/xlnx,flexnoc.txt | 24 ++++++++++++++++++++++

bindings/perf/

Please convert this to a schema. See
Documentation/devicetree/writing-schema.rst.

> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/misc/xlnx,flexnoc.txt
>
> diff --git a/Documentation/devicetree/bindings/misc/xlnx,flexnoc.txt b/Documentation/devicetree/bindings/misc/xlnx,flexnoc.txt
> new file mode 100644
> index 0000000..6b533bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/misc/xlnx,flexnoc.txt
> @@ -0,0 +1,24 @@
> +* Xilinx Flexnoc Performance Monitor driver

Bindings are for h/w blocks, not drivers.

> +
> +The FlexNoc Performance Monitor has counters for monitoring
> +the read and the write transaction counter.
> +
> +Required properties:
> +- compatible: "xlnx,flexnoc-pm-2.7"
> +- reg : Address and length of register sets for each device in
> + "reg-names"
> +- reg-names : The names of the register addresses corresponding to the
> + registers filled in "reg"
> + - funnel: base address of the funnel registers
> + - baselpd: base address of the LPD PM registers
> + - basefpd: base address FPD PM registers

Is this really all one h/w block.

FlexNoC is an interconnect, right? Is there more to it than just
perfmon?

> +
> +Example:
> +++++++++
> +performance-monitor@f0920000 {
> + compatible = "xlnx,flexnoc-pm-2.7";
> + reg-names = "funnel", "baselpd", "basefpd";
> + reg = <0x0 0xf0920000 0x0 0x1000>,
> + <0x0 0xf0980000 0x0 0x9000>,
> + <0x0 0xf0b80000 0x0 0x9000>;
> +};
> --
> 2.1.1
>
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