linux-kernel - Re: [PATCH 4/7] dt-bindings: clock: xilinx: add description of user monitor interrupt

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Message-ID: <D2UMTF78IDUQ.IWXPEKIF0MAU@protonmail.com>
Date: Sat, 20 Jul 2024 20:00:45 +0000
From: Harry Austen <hpausten@...tonmail.com>
To: Rob Herring <robh@...nel.org>
Cc: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Michal Simek <michal.simek@....com>, Shubhrajyoti Datta <shubhrajyoti.datta@....com>, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/7] dt-bindings: clock: xilinx: add description of user monitor interrupt

On Sat Jul 20, 2024 at 3:37 PM BST, Rob Herring wrote:
> On Sat, Jul 20, 2024 at 12:01:48PM +0000, Harry Austen wrote:
> > This Xilinx clocking wizard IP core outputs this interrupt signal to
> > indicate when one of the four optional user clock inputs is either
> > stopped, overruns, underruns or glitches.
> >
> > This functionality was only added from version 6.0 onwards, so restrict
> > it to particular compatible strings.
> >
> > Signed-off-by: Harry Austen <hpausten@...tonmail.com>
> > ---
> >  .../bindings/clock/xlnx,clocking-wizard.yaml  | 22 ++++++++++++++++++-
> >  1 file changed, 21 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml
> > index 9d5324dc1027a..4609bb56b06b5 100644
> > --- a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml
> > +++ b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml
> > @@ -62,17 +62,37 @@ required:
> >    - xlnx,speed-grade
> >    - xlnx,nr-outputs
> >
> > +allOf:
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          enum:
> > +            - xlnx,clocking-wizard-v6.0
> > +            - xlnx,versal-clk-wizard
> > +    then:
> > +      properties:
> > +        interrupts:
> > +          items:
> > +            - description: user clock monitor interrupt
> > +
> > +        interrupt-names:
> > +          items:
> > +            - const: monitor
>
> Properties need to be defined at the top-level (outside the if/then
> schema), then restricted here.

Makes sense. Will do in v2.

Thanks for the review!

>
> > +
> >  additionalProperties: false
> >
> >  examples:
> >    - |
> > +    #include <dt-bindings/interrupt-controller/irq.h>
> >      clock-controller@...00000  {
> > -        compatible = "xlnx,clocking-wizard";
> > +        compatible = "xlnx,clocking-wizard-v6.0";
> >          reg = <0xb0000000 0x10000>;
> >          #clock-cells = <1>;
> >          xlnx,speed-grade = <1>;
> >          xlnx,nr-outputs = <6>;
> >          clock-names = "clk_in1", "s_axi_aclk";
> >          clocks = <&clkc 15>, <&clkc 15>;
> > +        interrupts-extended = <&intc 52 IRQ_TYPE_EDGE_RISING>;
> > +        interrupt-names = "monitor";
> >      };
> >  ...
> > --
> > 2.45.2
> >
> >