diff options
| -rw-r--r-- | arch/arm/boot/dts/uniphier-pxs2.dtsi | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi index 90b020c95083..995d2756dccc 100644 --- a/arch/arm/boot/dts/uniphier-pxs2.dtsi +++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi @@ -7,6 +7,8 @@ * SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +#include <dt-bindings/thermal/thermal.h> + / { compatible = "socionext,uniphier-pxs2"; #address-cells = <1>; @@ -16,7 +18,7 @@ #address-cells = <1>; #size-cells = <0>; - cpu@0 { + cpu0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; @@ -24,9 +26,10 @@ enable-method = "psci"; next-level-cache = <&l2>; operating-points-v2 = <&cpu_opp>; + #cooling-cells = <2>; }; - cpu@1 { + cpu1: cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <1>; @@ -36,7 +39,7 @@ operating-points-v2 = <&cpu_opp>; }; - cpu@2 { + cpu2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <2>; @@ -46,7 +49,7 @@ operating-points-v2 = <&cpu_opp>; }; - cpu@3 { + cpu3: cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <3>; @@ -114,6 +117,35 @@ }; }; + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; /* 250ms */ + polling-delay = <1000>; /* 1000ms */ + thermal-sensors = <&pvtctl>; + + trips { + cpu_crit: cpu-crit { + temperature = <95000>; /* 95C */ + hysteresis = <2000>; + type = "critical"; + }; + cpu_alert: cpu-alert { + temperature = <85000>; /* 85C */ + hysteresis = <2000>; + type = "passive"; + }; + }; + + cooling-maps { + map { + trip = <&cpu_alert>; + cooling-device = <&cpu0 + THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + soc { compatible = "simple-bus"; #address-cells = <1>; @@ -358,6 +390,13 @@ compatible = "socionext,uniphier-pxs2-reset"; #reset-cells = <1>; }; + + pvtctl: pvtctl { + compatible = "socionext,uniphier-pxs2-thermal"; + interrupts = <0 3 4>; + #thermal-sensor-cells = <0>; + socionext,tmod-calibration = <0x0f86 0x6844>; + }; }; nand: nand@68000000 { |