[V12,5/5] arm64: dts: imx: add i.MX8QXP thermal support
diff mbox series

Message ID 1555384609-7030-5-git-send-email-Anson.Huang@nxp.com
State Not Applicable
Headers show
Series
  • [V12,1/5] dt-bindings: fsl: scu: add thermal binding
Related show

Checks

Context Check Description
robh/checkpatch warning "total: 0 errors, 7 warnings, 53 lines checked"

Commit Message

Anson Huang April 16, 2019, 3:22 a.m. UTC
Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
Changes since V11:
	- add cooling device for all secondary CPUs.
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 37 ++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

Comments

Daniel Lezcano April 16, 2019, 4:18 p.m. UTC | #1
On 16/04/2019 05:22, Anson Huang wrote:
> Add i.MX8QXP CPU thermal zone support.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>

Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>

> ---
> Changes since V11:
> 	- add cooling device for all secondary CPUs.
> ---
>  arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 37 ++++++++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> index 0683ee2..5eeaddc 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> @@ -10,6 +10,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/pinctrl/pads-imx8qxp.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  / {
>  	interrupt-parent = <&gic>;
> @@ -149,6 +150,11 @@
>  		rtc: rtc {
>  			compatible = "fsl,imx8qxp-sc-rtc";
>  		};
> +
> +		tsens: thermal-sensor {
> +			compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
> +			#thermal-sensor-cells = <1>;
> +		};
>  	};
>  
>  	timer {
> @@ -522,4 +528,35 @@
>  		compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
>  		timeout-sec = <60>;
>  	};
> +
> +	thermal_zones: thermal-zones {
> +		cpu-thermal0 {
> +			polling-delay-passive = <250>;
> +			polling-delay = <2000>;
> +			thermal-sensors = <&tsens IMX_SC_R_SYSTEM>;
> +			trips {
> +				cpu_alert0: trip0 {
> +					temperature = <107000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu_crit0: trip1 {
> +					temperature = <127000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu_alert0>;
> +					cooling-device =
> +						<&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +
> +				};
> +			};
> +		};
> +	};
>  };
>
Rob Herring April 24, 2019, 9:21 p.m. UTC | #2
On Tue, 16 Apr 2019 03:22:41 +0000, Anson Huang wrote:
> Add i.MX8QXP CPU thermal zone support.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> Changes since V11:
> 	- add cooling device for all secondary CPUs.
> ---
>  arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 37 ++++++++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 0683ee2..5eeaddc 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -10,6 +10,7 @@ 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/pads-imx8qxp.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -149,6 +150,11 @@ 
 		rtc: rtc {
 			compatible = "fsl,imx8qxp-sc-rtc";
 		};
+
+		tsens: thermal-sensor {
+			compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+			#thermal-sensor-cells = <1>;
+		};
 	};
 
 	timer {
@@ -522,4 +528,35 @@ 
 		compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
 		timeout-sec = <60>;
 	};
+
+	thermal_zones: thermal-zones {
+		cpu-thermal0 {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_SYSTEM>;
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				cpu_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device =
+						<&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+
+				};
+			};
+		};
+	};
 };