arm64: dts: imx8mq: enable the multi sensor TMU

Add the imx8mq TMU (Thermal management unit) nodes for CPU,
GPU, and VPU.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 87faf9d2f65ae1d8116016b5bddbbb003c6361e3..769504cfcc654c5f3b288068e0a02663b0745acf 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/power/imx8mq-power.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
 #include "imx8mq-pinfunc.h"
 
 / {
@@ -92,6 +93,7 @@ A53_0: cpu@0 {
                        enable-method = "psci";
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_1: cpu@1 {
@@ -103,6 +105,7 @@ A53_1: cpu@1 {
                        enable-method = "psci";
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_2: cpu@2 {
@@ -114,6 +117,7 @@ A53_2: cpu@2 {
                        enable-method = "psci";
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_3: cpu@3 {
@@ -125,6 +129,7 @@ A53_3: cpu@3 {
                        enable-method = "psci";
                        next-level-cache = <&A53_L2>;
                        operating-points-v2 = <&a53_opp_table>;
+                       #cooling-cells = <2>;
                };
 
                A53_L2: l2-cache0 {
@@ -227,6 +232,119 @@ gpio5: gpio@30240000 {
                                #interrupt-cells = <2>;
                        };
 
+                       tmu: tmu@30260000 {
+                               compatible = "fsl,imx8mq-tmu";
+                               reg = <0x30260000 0x10000>;
+                               interrupt = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+                               little-endian;
+                               fsl,tmu-range = <0xb0000 0xa0026 0x80048 0x70061>;
+                               fsl,tmu-calibration = <0x00000000 0x00000023
+                                                      0x00000001 0x00000029
+                                                      0x00000002 0x0000002f
+                                                      0x00000003 0x00000035
+                                                      0x00000004 0x0000003d
+                                                      0x00000005 0x00000043
+                                                      0x00000006 0x0000004b
+                                                      0x00000007 0x00000051
+                                                      0x00000008 0x00000057
+                                                      0x00000009 0x0000005f
+                                                      0x0000000a 0x00000067
+                                                      0x0000000b 0x0000006f
+
+                                                      0x00010000 0x0000001b
+                                                      0x00010001 0x00000023
+                                                      0x00010002 0x0000002b
+                                                      0x00010003 0x00000033
+                                                      0x00010004 0x0000003b
+                                                      0x00010005 0x00000043
+                                                      0x00010006 0x0000004b
+                                                      0x00010007 0x00000055
+                                                      0x00010008 0x0000005d
+                                                      0x00010009 0x00000067
+                                                      0x0001000a 0x00000070
+
+                                                      0x00020000 0x00000017
+                                                      0x00020001 0x00000023
+                                                      0x00020002 0x0000002d
+                                                      0x00020003 0x00000037
+                                                      0x00020004 0x00000041
+                                                      0x00020005 0x0000004b
+                                                      0x00020006 0x00000057
+                                                      0x00020007 0x00000063
+                                                      0x00020008 0x0000006f
+
+                                                      0x00030000 0x00000015
+                                                      0x00030001 0x00000021
+                                                      0x00030002 0x0000002d
+                                                      0x00030003 0x00000039
+                                                      0x00030004 0x00000045
+                                                      0x00030005 0x00000053
+                                                      0x00030006 0x0000005f
+                                                      0x00030007 0x00000071>;
+                               #thermal-sensor-cells =  <1>;
+                       };
+
+                       thermal-zones {
+                               cpu-thermal {
+                                       polling-delay-passive = <250>;
+                                       polling-delay = <2000>;
+                                       thermal-sensors = <&tmu 0>;
+
+                                       trips {
+                                               cpu_alert: cpu-alert {
+                                                       temperature = <80000>;
+                                                       hysteresis = <2000>;
+                                                       type = "passive";
+                                               };
+
+                                               cpu-crit {
+                                                       temperature = <90000>;
+                                                       hysteresis = <2000>;
+                                                       type = "critical";
+                                               };
+                                       };
+
+                                       cooling-maps {
+                                               map0 {
+                                                       trip = <&cpu_alert>;
+                                                       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>;
+                                               };
+                                       };
+                               };
+
+                               gpu-thermal {
+                                       polling-delay-passive = <250>;
+                                       polling-delay = <2000>;
+                                       thermal-sensors = <&tmu 1>;
+
+                                       trips {
+                                               gpu-crit {
+                                                       temperature = <90000>;
+                                                       hysteresis = <2000>;
+                                                       type = "critical";
+                                               };
+                                       };
+                               };
+
+                               vpu-thermal {
+                                       polling-delay-passive = <250>;
+                                       polling-delay = <2000>;
+                                       thermal-sensors = <&tmu 2>;
+
+                                       trips {
+                                               vpu-crit {
+                                                       temperature = <90000>;
+                                                       hysteresis = <2000>;
+                                                       type = "critical";
+                                               };
+                                       };
+                               };
+                       };
+
                        wdog1: watchdog@30280000 {
                                compatible = "fsl,imx8mq-wdt", "fsl,imx21-wdt";
                                reg = <0x30280000 0x10000>;