Re: [PATCH v9 1/5] dt-bindings: Introduce SoC sleep stats bindings

From: Stephen Boyd <swboyd@chromium.org>
To: Maulik Shah <mkshah@codeaurora.org>,
	bjorn.andersson@linaro.org, evgreen@chromium.org,
	mka@chromium.org
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	agross@kernel.org, dianders@chromium.org, linux@roeck-us.net,
	rnayak@codeaurora.org, lsrao@codeaurora.org,
	Mahesh Sivasubramanian <msivasub@codeaurora.org>,
	devicetree@vger.kernel.org, Lina Iyer <ilina@codeaurora.org>
Subject: Re: [PATCH v9 1/5] dt-bindings: Introduce SoC sleep stats bindings
Date: Tue, 7 Sep 2021 19:58:10 +0000	[thread overview]
Message-ID: <CAE-0n50L-KgdbyQ-X0J6J8Za-j3P9o5iLyn4uNg8eKYBZG_16Q@mail.gmail.com> (raw)
In-Reply-To: <1630906083-32194-2-git-send-email-mkshah@codeaurora.org>

Quoting Maulik Shah (2021-09-05 22:27:59)
> diff --git a/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
> new file mode 100644
> index 0000000..4161156
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/qcom/soc-sleep-stats.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. (QTI) SoC sleep stats bindings
> +
> +maintainers:
> +  - Maulik Shah <mkshah@codeaurora.org>
> +  - Lina Iyer <ilina@codeaurora.org>
> +
> +description:
> +  Always On Processor/Resource Power Manager maintains statistics of the SoC
> +  sleep modes involving powering down of the rails and oscillator clock.
> +
> +  Statistics includes SoC sleep mode type, number of times low power mode were
> +  entered, time of last entry, time of last exit and accumulated sleep duration.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,rpmh-sleep-stats
> +      - qcom,rpm-sleep-stats
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  # Example of rpmh sleep stats
> +  - |
> +    aop_msgram@c3f0048 {

Node names should be generic and not have any underscores in them. I
still think 'memory' is more appropriate here. I doubt anyone will
confuse it for DDR.

> +      compatible = "qcom,rpmh-sleep-stats";
> +      reg = <0x0c3f0048 0x400>;
> +    };