diff options
Diffstat (limited to 'arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi index a29c279b6e8e..bc8fe5529f68 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi @@ -7,6 +7,8 @@ * SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +#include <dt-bindings/thermal/thermal.h> + /memreserve/ 0x80000000 0x02000000; / { @@ -46,6 +48,7 @@ clocks = <&sys_clk 32>; enable-method = "psci"; operating-points-v2 = <&cluster0_opp>; + #cooling-cells = <2>; }; cpu1: cpu@1 { @@ -64,6 +67,7 @@ clocks = <&sys_clk 33>; enable-method = "psci"; operating-points-v2 = <&cluster1_opp>; + #cooling-cells = <2>; }; cpu3: cpu@101 { @@ -173,6 +177,40 @@ <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>; + }; + map1 { + trip = <&cpu_alert>; + cooling-device = <&cpu2 + THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + soc@0 { compatible = "simple-bus"; #address-cells = <1>; @@ -410,6 +448,13 @@ watchdog { compatible = "socionext,uniphier-wdt"; }; + + pvtctl: pvtctl { + compatible = "socionext,uniphier-ld20-thermal"; + interrupts = <0 3 4>; + #thermal-sensor-cells = <0>; + socionext,tmod-calibration = <0x0f22 0x68ee>; + }; }; nand: nand@68000000 { |