diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 21c1adbaf35f..467f084c6469 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -18,6 +18,7 @@ #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/power/xlnx-zynqmp-power.h> #include <dt-bindings/reset/xlnx-zynqmp-resets.h> +#include <dt-bindings/thermal/thermal.h> / { compatible = "xlnx,zynqmp"; @@ -36,6 +37,7 @@ #size-cells = <0>; cpu0: cpu@0 { + #cooling-cells = <2>; compatible = "arm,cortex-a53"; device_type = "cpu"; enable-method = "psci"; @@ -46,6 +48,7 @@ }; cpu1: cpu@1 { + #cooling-cells = <2>; compatible = "arm,cortex-a53"; device_type = "cpu"; enable-method = "psci"; @@ -56,6 +59,7 @@ }; cpu2: cpu@2 { + #cooling-cells = <2>; compatible = "arm,cortex-a53"; device_type = "cpu"; enable-method = "psci"; @@ -66,6 +70,7 @@ }; cpu3: cpu@3 { + #cooling-cells = <2>; compatible = "arm,cortex-a53"; device_type = "cpu"; enable-method = "psci"; @@ -406,6 +411,87 @@ <&xilinx_ams 27>, <&xilinx_ams 28>, <&xilinx_ams 29>; }; + + tsens_apu: thermal-sensor-apu { + compatible = "generic-adc-thermal"; + #thermal-sensor-cells = <0>; + io-channels = <&xilinx_ams 7>; + io-channel-names = "sensor-channel"; + }; + + tsens_rpu: thermal-sensor-rpu { + compatible = "generic-adc-thermal"; + #thermal-sensor-cells = <0>; + io-channels = <&xilinx_ams 8>; + io-channel-names = "sensor-channel"; + }; + + tsens_pl: thermal-sensor-pl { + compatible = "generic-adc-thermal"; + #thermal-sensor-cells = <0>; + io-channels = <&xilinx_ams 20>; + io-channel-names = "sensor-channel"; + }; + + thermal-zones { + apu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + thermal-sensors = <&tsens_apu>; + + trips { + apu_passive: passive { + temperature = <93000>; + hysteresis = <3500>; + type = "passive"; + }; + + apu_critical: critical { + temperature = <96500>; + hysteresis = <3500>; + type = "critical"; + }; + }; + + cooling-maps { + map { + trip = <&apu_passive>; + 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>; + }; + }; + }; + + rpu-thermal { + polling-delay = <10000>; + thermal-sensors = <&tsens_rpu>; + + trips { + critical { + temperature = <96500>; + hysteresis = <3500>; + type = "critical"; + }; + }; + }; + + pl-thermal { + polling-delay = <10000>; + thermal-sensors = <&tsens_pl>; + + trips { + critical { + temperature = <96500>; + hysteresis = <3500>; + type = "critical"; + }; + }; + }; + }; + amba: axi { compatible = "simple-bus"; bootph-all; |