arm64: dts: imx: add i.MX8QXP thermal support

Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index fb5f752..e8ffb75 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -11,6 +11,7 @@
 #include <dt-bindings/input/input.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>;
@@ -189,6 +190,11 @@
                        compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
                        timeout-sec = <60>;
                };
+
+               tsens: thermal-sensor {
+                       compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+                       #thermal-sensor-cells = <1>;
+               };
        };
 
        timer {
@@ -586,4 +592,37 @@
                        #clock-cells = <1>;
                };
        };
+
+       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>;
+                               };
+                       };
+               };
+       };
 };