linux-kernel - Re: [PATCH 2/3] riscv: dts: sophgo: cv18xx: Add sensor device and thermal zone

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Message-ID:
 <PH7PR20MB4962FF8B101A968B38565827BBF32@PH7PR20MB4962.namprd20.prod.outlook.com>
Date: Fri, 31 May 2024 07:47:34 +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 2/3] riscv: dts: sophgo: cv18xx: Add sensor device and
 thermal zone

On Thu, May 30, 2024 at 01:48:26PM GMT, Haylen Chu wrote:
> Add common sensor device and thermal zones for Sophgo CV18xx SoCs.
> 
> Signed-off-by: Haylen Chu <heylenay@...look.com>
> ---
>  arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 36 ++++++++++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> index 891932ae470f..dfb4bb6eb319 100644
> --- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> @@ -310,5 +310,41 @@ clint: timer@...00000 {
>  			reg = <0x74000000 0x10000>;
>  			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
>  		};
> +
> +		soc_temp: thermal-sensor@...0000 {
> +			compatible = "sophgo,cv180x-thermal";
> +			reg = <0x30e0000 0x100>;
> +			clocks = <&clk CLK_TEMPSEN>;
> +			clock-names = "clk_tempsen";
> +			#thermal-sensor-cells = <0>;
> +		};
> +	};
> +

> +	thermal-zones {
> +		soc-thermal-0 {
> +			polling-delay-passive	= <1000>;
> +			polling-delay		= <1000>;
> +			thermal-sensors		= <&soc_temp>;
> +
> +			trips {
> +				soc_passive: soc-passive {
> +					temperature	= <75000>;
> +					hysteresis	= <5000>;
> +					type		= "passive";
> +				};
> +
> +				soc_hot: soc-hot {
> +					temperature	= <85000>;
> +					hysteresis	= <5000>;
> +					type		= "hot";
> +				};
> +
> +				soc_critical: soc-critical {
> +					temperature	= <100000>;
> +					hysteresis	= <0>;
> +					type		= "critical";
> +				};
> +			};
> +		};
>  	};

Move this to the cpu specific file. Different cpu should have different
thermal-zones.

>  };
> -- 
> 2.45.1
>