[PATCH V2 03/10] arm64: dts: imx8ulp: add thermal node
Peng Fan (OSS)
peng.fan at oss.nxp.com
Mon Jul 24 00:58:26 PDT 2023
From: Peng Fan <peng.fan at nxp.com>
Add thermal node. Cooling map is not added, because frequency runtime
changing not supported for now.
Reviewed-by: Jacky Bai <ping.bai at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index ba0edb9a009b..8891b4dc3bea 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 +79,28 @@ psci {
method = "smc";
};
+ thermal-zones {
+ cpu-thermal {
+ polling-delay-passive = <250>;
+ polling-delay = <2000>;
+ thermal-sensors = <&scmi_sensor 0>;
+
+ 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
More information about the linux-arm-kernel
mailing list