Add nodes of thermal monitor and thermal zone for UniPhier LD20 SoC. The thermal monitor is included in sysctrl. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> --- arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 40 ++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi index a6b3a70..22d04111 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi @@ -82,6 +82,7 @@ clocks = <&sys_clk 32>; enable-method = "psci"; operating-points-v2 = <&cluster0_opp>; + #cooling-cells = <2>; }; cpu1: cpu@1 { @@ -100,6 +101,7 @@ clocks = <&sys_clk 33>; enable-method = "psci"; operating-points-v2 = <&cluster1_opp>; + #cooling-cells = <2>; }; cpu3: cpu@101 { @@ -209,6 +211,38 @@ <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 (-1) (-1)>; + }; + map1 { + trip = <&cpu_alert>; + cooling-device = <&cpu2 (-1) (-1)>; + }; + }; + }; + }; + soc { compatible = "simple-bus"; #address-cells = <1>; @@ -417,6 +451,12 @@ compatible = "socionext,uniphier-ld20-reset"; #reset-cells = <1>; }; + + pvtctl: pvtctl { + compatible = "socionext,uniphier-ld20-thermal"; + interrupts = <0 3 4>; + #thermal-sensor-cells = <0>; + }; }; }; }; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html