linux-kernel - Re: [PATCH v2 1/3] dt-bindings: thermal: sophgo,cv180x-thermal: Add Sophgo CV180x thermal

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Message-ID:
 <IA1PR20MB49531F55C8D7DC5D0050CAF9BBF92@IA1PR20MB4953.namprd20.prod.outlook.com>
Date: Wed, 5 Jun 2024 11:40:32 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Haylen Chu <heylenay@...look.com>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, 
	Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...look.com>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Jisheng Zhang <jszhang@...nel.org>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 1/3] dt-bindings: thermal: sophgo,cv180x-thermal: Add
 Sophgo CV180x thermal

On Tue, Jun 04, 2024 at 12:54:19PM GMT, Haylen Chu wrote:
> Add devicetree binding documentation for thermal sensors integrated in
> Sophgo CV180X SoCs.
> 
> Signed-off-by: Haylen Chu <heylenay@...look.com>
> ---
>  .../thermal/sophgo,cv180x-thermal.yaml        | 82 +++++++++++++++++++
>  1 file changed, 82 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/thermal/sophgo,cv180x-thermal.yaml
> 
> diff --git a/Documentation/devicetree/bindings/thermal/sophgo,cv180x-thermal.yaml b/Documentation/devicetree/bindings/thermal/sophgo,cv180x-thermal.yaml
> new file mode 100644
> index 000000000000..1c3a6f74ff1d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/sophgo,cv180x-thermal.yaml
> @@ -0,0 +1,82 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/thermal/sophgo,cv180x-thermal.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo CV180x on-SoC Thermal Sensor
> +
> +maintainers:
> +  - Haylen Chu <heylenay@...look.com>
> +
> +description: Binding for Sophgo CV180x on-SoC thermal sensor
> +
> +properties:
> +  compatible:
> +    enum:
> +      - sophgo,cv1800-thermal
> +      - sophgo,cv180x-thermal
> +

Is this necessary? I don't find any change between the sensor of these.

> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    description: The thermal sensor clock
> +
> +  clock-names:
> +    const: clk_tempsen
> +
> +  accumulation-period:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: Accumulation period for a sample
> +    oneOf:
> +      - const: 0
> +        description: 512 ticks
> +      - const: 1
> +        description: 1024 ticks
> +      - const: 2
> +        description: 2048 ticks
> +      - const: 3
> +        description: 4096 ticks
> +    default: 2
> +
> +  chop-period:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: ADC chop period
> +    oneOf:
> +      - const: 0
> +        description: 128 ticks
> +      - const: 1
> +        description: 256 ticks
> +      - const: 2
> +        description: 512 ticks
> +      - const: 3
> +        description: 1024 ticks
> +    default: 3
> +
> +  sample-cycle-us:
> +    description: Period between samples
> +    default: 1000000
> +
> +  '#thermal-sensor-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +        #include <dt-bindings/clock/sophgo,cv1800.h>
> +        thermal-sensor@...0000 {
> +            compatible = "sophgo,cv180x-thermal";
> +            reg = <0x30e0000 0x100>;
> +            clocks = <&clk CLK_TEMPSEN>;
> +            clock-names = "clk_tempsen";
> +            #thermal-sensor-cells = <0>;
> +        };
> +...

Where is the interrupt number? The sensors does support the interrupt,
but I don't see you describe it in the binding.

> -- 
> 2.45.2
>