arm64: dts: imx8qm: add thermal zone and cooling map
authorFrank Li <Frank.Li@nxp.com>
Thu, 13 Jul 2023 20:49:30 +0000 (16:49 -0400)
committerShawn Guo <shawnguo@kernel.org>
Wed, 19 Jul 2023 06:34:01 +0000 (14:34 +0800)
Add thermal zone and cooling map for cpufreq.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/imx8qm.dtsi

index effd84e..0e425df 100644 (file)
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/pads-imx8qm.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
        interrupt-parent = <&gic>;
@@ -72,6 +73,7 @@
                        d-cache-sets = <128>;
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_1: cpu@1 {
@@ -88,6 +90,7 @@
                        d-cache-sets = <128>;
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_2: cpu@2 {
                        d-cache-sets = <128>;
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_3: cpu@3 {
                        d-cache-sets = <128>;
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A72_0: cpu@100 {
                        d-cache-sets = <256>;
                        next-level-cache = <&A72_L2>;
                        operating-points-v2 = <&a72_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A72_1: cpu@101 {
                        enable-method = "psci";
                        next-level-cache = <&A72_L2>;
                        operating-points-v2 = <&a72_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_L2: l2-cache0 {
                rtc: rtc {
                        compatible = "fsl,imx8qxp-sc-rtc";
                };
+
+               tsens: thermal-sensor {
+                       compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+                       #thermal-sensor-cells = <1>;
+               };
+       };
+
+       thermal-zones {
+               cpu0-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <2000>;
+                       thermal-sensors = <&tsens IMX_SC_R_A53>;
+
+                       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 =
+                                               <&A53_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                               <&A53_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                               <&A53_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                               <&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu1-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <2000>;
+                       thermal-sensors = <&tsens IMX_SC_R_A72>;
+
+                       trips {
+                               cpu_alert1: trip0 {
+                                       temperature = <107000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu_crit1: trip1 {
+                                       temperature = <127000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu_alert1>;
+                                       cooling-device =
+                                               <&A72_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                               <&A72_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               gpu0-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <2000>;
+                       thermal-sensors = <&tsens IMX_SC_R_GPU_0_PID0>;
+
+                       trips {
+                               gpu_alert0: trip0 {
+                                       temperature = <107000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               gpu_crit0: trip1 {
+                                       temperature = <127000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+              gpu1-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <2000>;
+                       thermal-sensors = <&tsens IMX_SC_R_GPU_1_PID0>;
+
+                       trips {
+                               gpu_alert1: trip0 {
+                                       temperature = <107000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               gpu_crit1: trip1 {
+                                       temperature = <127000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               drc0-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <2000>;
+                       thermal-sensors = <&tsens IMX_SC_R_DRC_0>;
+
+                       trips {
+                               drc_alert0: trip0 {
+                                       temperature = <107000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               drc_crit0: trip1 {
+                                       temperature = <127000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
        };
 
        /* sorted in register address */