Re: [PATCH V1 2/4] dt-bindings: soc: qcom,mpm-sleep-counter: Add the dtschema

From: Krzysztof Kozlowski
Date: Tue Mar 21 2023 - 13:33:31 EST


On 21/03/2023 14:51, Souradeep Chowdhury wrote:
> Add the device tree bindings for the module power manager sleep
> counter.
>
> Signed-off-by: Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx>
> ---
> .../bindings/soc/qcom/qcom,mpm-sleep-counter.yaml | 40 ++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,mpm-sleep-counter.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,mpm-sleep-counter.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,mpm-sleep-counter.yaml
> new file mode 100644
> index 0000000..f9f46b7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,mpm-sleep-counter.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/qcom/qcom,mpm-sleep-counter.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MPM Sleep Counter
> +
> +maintainers:
> + - Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx>
> +
> +description: |
> + MPM(Module Power Manager) has a sleep counter which is used to track

Missing space:
MPM (Module

> + various stages of the boot process in Qualcomm.

in Qualcomm SoC. Because you do not track it in the company...

> +
> +properties:
> + compatible:
> + items:

Drop items.

> + - const: qcom,mpm2-sleep-counter

SoC specific compatible.

> +
> + reg:
> + items:
> + - description: MPM Sleep Counter Base

just maxItems: 1

> +
> + clock-frequency:
> + description: Frequency for the sleep counter

Since this does not have clocks, what frequency you are setting here?

> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + mpm2-sleep-counter@c221000{

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> + compatible = "qcom,mpm2-sleep-counter";
> + reg = <0xc221000 0x1000>;
> + clock-frequency = <32768>;
> + };

Best regards,
Krzysztof