linux-kernel - Re: [PATCH 03/10] arm64: dts: imx8ulp: add thermal node

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Date:   Tue, 18 Jul 2023 11:30:15 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>, Jacky Bai <ping.bai@....com>
Subject: Re: [PATCH 03/10] arm64: dts: imx8ulp: add thermal node

On Sun, Jun 25, 2023 at 08:42:31PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add thermal node. Cooling map is not added, because frequency runtime
> changing not supported for now.
> 
> Reviewed-by: Jacky Bai <ping.bai@....com>
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> index ba0edb9a009b..fd30475a561d 100644
> --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> @@ -7,6 +7,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/power/imx8ulp-power.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  #include "imx8ulp-pinfunc.h"
>  
> @@ -78,6 +79,27 @@ psci {
>  		method = "smc";
>  	};
>  
> +	thermal-zones {
> +		cpu-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <2000>;
> +			thermal-sensors = <&scmi_sensor 0>;

Have a newline between property list and child node.

Shawn

> +			trips {
> +				cpu_alert0: trip0 {
> +					temperature = <85000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				cpu_crit0: trip1 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
> +
>  	timer {
>  		compatible = "arm,armv8-timer";
>  		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* Physical Secure */
> -- 
> 2.37.1
>