[PATCH] ARM64: dts: imx: add i.MX8QXP thermal support

[PATCH] ARM64: dts: imx: add i.MX8QXP thermal support

[Anson Huang]

Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index da99b6f..9155d45 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -9,6 +9,7 @@
 #include <dt-bindings/firmware/imx/rsrc.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/pads-imx8qxp.h>
+#include <dt-bindings/thermal/thermal.h>
 
 #include "imx8-ca35.dtsi"
 
@@ -85,6 +86,32 @@
 		};
 	};
 
+	tsens: thermal-sensor {
+		compatible = "nxp,imx8qxp-sc-thermal";
+		tsens-num = <1>;
+		#thermal-sensor-cells = <1>;
+	};
+
+	thermal_zones: thermal-zones {
+		cpu-thermal0 {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens 355>;
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				cpu_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	adma_subsys: bus@59000000 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.7.4

RE: [PATCH] ARM64: dts: imx: add i.MX8QXP thermal support

[Anson Huang]

Forgot to mentioned: This patch is based on "[V4,3/5] arm64: dts: imx: add imx8qxp support", https://patchwork.kernel.org/patch/10677311/

Best Regards!
Anson Huang

> -----Original Message-----
> From: Anson Huang
> Sent: 2018年11月27日 14:19
> To: robh+dt@kernel.org; mark.rutland@arm.com; Aisheng DONG
> <aisheng.dong@nxp.com>; devicetree@vger.kernel.org;
> linux-kernel@vger.kernel.org; shawnguo@kernel.org
> Cc: dl-linux-imx <linux-imx@nxp.com>
> Subject: [PATCH] ARM64: dts: imx: add i.MX8QXP thermal support
> 
> Add i.MX8QXP CPU thermal zone support.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27
> +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> index da99b6f..9155d45 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> @@ -9,6 +9,7 @@
>  #include <dt-bindings/firmware/imx/rsrc.h>  #include
> <dt-bindings/gpio/gpio.h>  #include <dt-bindings/pinctrl/pads-imx8qxp.h>
> +#include <dt-bindings/thermal/thermal.h>
> 
>  #include "imx8-ca35.dtsi"
> 
> @@ -85,6 +86,32 @@
>  		};
>  	};
> 
> +	tsens: thermal-sensor {
> +		compatible = "nxp,imx8qxp-sc-thermal";
> +		tsens-num = <1>;
> +		#thermal-sensor-cells = <1>;
> +	};
> +
> +	thermal_zones: thermal-zones {
> +		cpu-thermal0 {
> +			polling-delay-passive = <250>;
> +			polling-delay = <2000>;
> +			thermal-sensors = <&tsens 355>;
> +			trips {
> +				cpu_alert0: trip0 {
> +					temperature = <107000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu_crit0: trip1 {
> +					temperature = <127000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
> +
>  	adma_subsys: bus@59000000 {
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
> --
> 2.7.4