diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 101 |
1 files changed, 100 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index b1b31dcf6291..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"; @@ -392,6 +397,101 @@ }; }; + ams { + compatible = "iio-hwmon"; + io-channels = <&xilinx_ams 0>, <&xilinx_ams 1>, <&xilinx_ams 2>, + <&xilinx_ams 3>, <&xilinx_ams 4>, <&xilinx_ams 5>, + <&xilinx_ams 6>, <&xilinx_ams 7>, <&xilinx_ams 8>, + <&xilinx_ams 9>, <&xilinx_ams 10>, <&xilinx_ams 11>, + <&xilinx_ams 12>, <&xilinx_ams 13>, <&xilinx_ams 14>, + <&xilinx_ams 15>, <&xilinx_ams 16>, <&xilinx_ams 17>, + <&xilinx_ams 18>, <&xilinx_ams 19>, <&xilinx_ams 20>, + <&xilinx_ams 21>, <&xilinx_ams 22>, <&xilinx_ams 23>, + <&xilinx_ams 24>, <&xilinx_ams 25>, <&xilinx_ams 26>, + <&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; @@ -1157,7 +1257,6 @@ xilinx_ams: ams@ffa50000 { compatible = "xlnx,zynqmp-ams"; - status = "disabled"; interrupt-parent = <&gic>; interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; reg = <0x0 0xffa50000 0x0 0x800>; |