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e8a1d70117
Besides new bindings and additional descriptions of hardware blocks for
various SoCs and boards, the main new contents here is:
SoCs:
- Intel Agilex (SoCFPGA)
- NXP i.MX8MM (Quad Cortex-A53 with media/graphics focus)
New boards:
- Allwinner:
+ RerVision H3-DVK (H3)
+ Oceanic 5205 5inMFD (H6)
+ Beelink GS2 (H6)
+ Orange Pi 3 (H6)
- Rockchip:
+ Orange Pi RK3399
+ Nanopi NEO4
+ Veyron-Mighty Chromebook variant
- Amlogic:
+ SEI Robotics SEI510
- ST Micro:
+ stm32mp157a discovery1
+ stm32mp157c discovery2
- NXP:
+ Eckelmann ci4x10 (i.MX6DL)
+ i.MX8MM EVK (i.MX8MM)
+ ZII i.MX7 RPU2 (i.MX7)
+ ZII SPB4 (VF610)
+ Zii Ultra (i.MX8M)
+ TQ TQMa7S (i.MX7Solo)
+ TQ TQMa7D (i.MX7Dual)
+ Kobo Aura (i.MX50)
+ Menlosystems M53 (i.MX53)j
- Nvidia:
+ Jetson Nano (Tegra T210)
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM Device-tree updates from Olof Johansson:
"Besides new bindings and additional descriptions of hardware blocks
for various SoCs and boards, the main new contents here is:
SoCs:
- Intel Agilex (SoCFPGA)
- NXP i.MX8MM (Quad Cortex-A53 with media/graphics focus)
New boards:
- Allwinner:
+ RerVision H3-DVK (H3)
+ Oceanic 5205 5inMFD (H6)
+ Beelink GS2 (H6)
+ Orange Pi 3 (H6)
- Rockchip:
+ Orange Pi RK3399
+ Nanopi NEO4
+ Veyron-Mighty Chromebook variant
- Amlogic:
+ SEI Robotics SEI510
- ST Micro:
+ stm32mp157a discovery1
+ stm32mp157c discovery2
- NXP:
+ Eckelmann ci4x10 (i.MX6DL)
+ i.MX8MM EVK (i.MX8MM)
+ ZII i.MX7 RPU2 (i.MX7)
+ ZII SPB4 (VF610)
+ Zii Ultra (i.MX8M)
+ TQ TQMa7S (i.MX7Solo)
+ TQ TQMa7D (i.MX7Dual)
+ Kobo Aura (i.MX50)
+ Menlosystems M53 (i.MX53)j
- Nvidia:
+ Jetson Nano (Tegra T210)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (593 commits)
arm64: dts: bitmain: Add UART pinctrl support for Sophon Edge
arm64: dts: bitmain: Add pinctrl support for BM1880 SoC
arm64: dts: bitmain: Add GPIO Line names for Sophon Edge board
arm64: dts: bitmain: Add GPIO support for BM1880 SoC
ARM: dts: gemini: Indent DIR-685 partition table
dt-bindings: hwmon (pwm-fan) Remove dead "cooling-*-state" properties
ARM: dts: qcom-apq8064: Set 'cxo_board' as ref clock of the DSI PHY
arm64: dts: msm8998: thermal: Restrict thermal zone name length to under 20
arm64: dts: msm8998: thermal: Fix number of supported sensors
arm64: dts: msm8998-mtp: thermal: Remove skin and battery thermal zones
arm64: dts: exynos: Move fixed-clocks out of soc
arm64: dts: exynos: Move pmu and timer nodes out of soc
ARM: dts: s5pv210: Fix camera clock provider on Goni board
ARM: dts: exynos: Properly override node to use MDMA0 on Universal C210
ARM: dts: exynos: Move fixed-clocks out of soc on Exynos3250
ARM: dts: exynos: Remove unneeded address/size cells from fixed-clock on Exynos3250
ARM: dts: exynos: Move pmu and timer nodes out of soc
arm64: dts: rockchip: fix IO domain voltage setting of APIO5 on rockpro64
arm64: dts: db820c: Add sound card support
arm64: dts: apq8096-db820c: Add HDMI display support
...
58 lines
1.7 KiB
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58 lines
1.7 KiB
Plaintext
Bindings for a fan connected to the PWM lines
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Required properties:
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- compatible : "pwm-fan"
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- pwms : the PWM that is used to control the PWM fan
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- cooling-levels : PWM duty cycle values in a range from 0 to 255
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which correspond to thermal cooling states
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Optional properties:
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- fan-supply : phandle to the regulator that provides power to the fan
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- interrupts : This contains a single interrupt specifier which
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describes the tachometer output of the fan as an
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interrupt source. The output signal must generate a
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defined number of interrupts per fan revolution, which
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require that it must be self resetting edge interrupts.
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See interrupt-controller/interrupts.txt for the format.
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- pulses-per-revolution : define the tachometer pulses per fan revolution as
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an integer (default is 2 interrupts per revolution).
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The value must be greater than zero.
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Example:
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fan0: pwm-fan {
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compatible = "pwm-fan";
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#cooling-cells = <2>;
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pwms = <&pwm 0 10000 0>;
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cooling-levels = <0 102 170 230>;
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};
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thermal-zones {
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cpu_thermal: cpu-thermal {
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thermal-sensors = <&tmu 0>;
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polling-delay-passive = <0>;
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polling-delay = <0>;
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trips {
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cpu_alert1: cpu-alert1 {
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temperature = <100000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "passive";
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};
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};
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cooling-maps {
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map0 {
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trip = <&cpu_alert1>;
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cooling-device = <&fan0 0 1>;
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};
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};
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};
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Example 2:
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fan0: pwm-fan {
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compatible = "pwm-fan";
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pwms = <&pwm 0 40000 0>;
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fan-supply = <®_fan>;
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interrupt-parent = <&gpio5>;
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interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
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pulses-per-revolution = <2>;
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};
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