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- Kernel driver aspeed-pwm-tacho
- ==============================
- Supported chips:
- ASPEED AST2400/2500
- Authors:
- <[email protected]>
- Description:
- ------------
- This driver implements support for ASPEED AST2400/2500 PWM and Fan Tacho
- controller. The PWM controller supports upto 8 PWM outputs. The Fan tacho
- controller supports up to 16 tachometer inputs.
- The driver provides the following sensor accesses in sysfs:
- =============== ======= =====================================================
- fanX_input ro provide current fan rotation value in RPM as reported
- by the fan to the device.
- pwmX rw get or set PWM fan control value. This is an integer
- value between 0(off) and 255(full speed).
- =============== ======= =====================================================
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