arm64: dts: uniphier: Add nodes of thermal monitor and thermal zone for PXs3

Add nodes of thermal monitor and thermal zone for UniPhier PXs3 SoC.
The thermal monitor node is included in sysctrl. This patch gives the
default value for PXs3 in the same way as LD20.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
index 4c6cd3e..515d379 100644 (file)
--- a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/gpio/uniphier-gpio.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
        compatible = "socionext,uniphier-pxs3";
@@ -42,6 +43,7 @@
                        clocks = <&sys_clk 33>;
                        enable-method = "psci";
                        operating-points-v2 = <&cluster0_opp>;
+                       #cooling-cells = <2>;
                };
 
                cpu1: cpu@1 {
@@ -51,6 +53,7 @@
                        clocks = <&sys_clk 33>;
                        enable-method = "psci";
                        operating-points-v2 = <&cluster0_opp>;
+                       #cooling-cells = <2>;
                };
 
                cpu2: cpu@2 {
@@ -60,6 +63,7 @@
                        clocks = <&sys_clk 33>;
                        enable-method = "psci";
                        operating-points-v2 = <&cluster0_opp>;
+                       #cooling-cells = <2>;
                };
 
                cpu3: cpu@3 {
@@ -69,6 +73,7 @@
                        clocks = <&sys_clk 33>;
                        enable-method = "psci";
                        operating-points-v2 = <&cluster0_opp>;
+                       #cooling-cells = <2>;
                };
        };
 
@@ -136,6 +141,37 @@
                             <1 10 4>;
        };
 
+       thermal-zones {
+               cpu-thermal {
+                       polling-delay-passive = <250>;  /* 250ms */
+                       polling-delay = <1000>;         /* 1000ms */
+                       thermal-sensors = <&pvtctl>;
+
+                       trips {
+                               cpu_crit: cpu-crit {
+                                       temperature = <110000>; /* 110C */
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                               cpu_alert: cpu-alert {
+                                       temperature = <100000>; /* 100C */
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu_alert>;
+                                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+       };
+
        reserved-memory {
                #address-cells = <2>;
                #size-cells = <2>;
@@ -496,6 +532,13 @@
                        watchdog {
                                compatible = "socionext,uniphier-wdt";
                        };
+
+                       pvtctl: pvtctl {
+                               compatible = "socionext,uniphier-pxs3-thermal";
+                               interrupts = <0 3 4>;
+                               #thermal-sensor-cells = <0>;
+                               socionext,tmod-calibration = <0x0f22 0x68ee>;
+                       };
                };
 
                eth0: ethernet@65000000 {