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Message-ID: <83da19cc-a140-406a-bdac-e6d2bdcc9794@linaro.org>
Date: Thu, 25 Jan 2024 11:54:46 +0100
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Subject: Re: [PATCH v2 2/8] dt-bindings: power: reset: add generic PSCRR
 binding trackers
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To: Oleksij Rempel <o.rempel@pengutronix.de>,
 Sebastian Reichel <sre@kernel.org>, Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>,
 Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: kernel@pengutronix.de, linux-kernel@vger.kernel.org,
 Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>,
 "Rafael J. Wysocki" <rafael@kernel.org>,
 Daniel Lezcano <daniel.lezcano@linaro.org>, Zhang Rui <rui.zhang@intel.com>,
 Lukasz Luba <lukasz.luba@arm.com>, linux-pm@vger.kernel.org,
 devicetree@vger.kernel.org, =?UTF-8?Q?S=C3=B8ren_Andersen?= <san@skov.dk>
References: <20240124122204.730370-1-o.rempel@pengutronix.de>
 <20240124122204.730370-3-o.rempel@pengutronix.de>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240124122204.730370-3-o.rempel@pengutronix.de>
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On 24/01/2024 13:21, Oleksij Rempel wrote:
> Add binding for Power State Change Reason Recording (PSCRR) subsystem
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  .../bindings/power/reset/pscrr.yaml           | 44 +++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/reset/pscrr.yaml
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/pscrr.yaml b/Documentation/devicetree/bindings/power/reset/pscrr.yaml
> new file mode 100644
> index 000000000000..c8738b4930fe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/pscrr.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/reset/pscrr.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Power State Change Reason (PSCR)

Missing final R?

> +
> +maintainers:
> +  - Oleksij Rempel <o.rempel@pengutronix.de>
> +
> +description: Binding for devices responsible to store reasons for power state

Line break after description:

> +  changes such as reboot and power-off. Reasons like unknown, under voltage,
> +  and over temperature are captured for diagnostic or automatic recovery
> +  purposes.
> +
> +properties:
> +  pscr-under-voltage:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |
> +      Value to indicate an under-voltage condition of a system critical
> +      regulator as the reason for the power state change.

I don't understand how it is supposed to work... unless you wrote
binding for drivers. For drivers it would make sense, but that's another
problem: binding is not for drivers.

You also did not present here DTS with any actual device doing this. You
just added a driver...

Best regards,
Krzysztof