1Kernel driver aspeed-pwm-tacho
2==============================
3
4Supported chips:
5	ASPEED AST2400/2500
6
7Authors:
8	<jaghu@google.com>
9
10Description:
11------------
12This driver implements support for ASPEED AST2400/2500 PWM and Fan Tacho
13controller. The PWM controller supports upto 8 PWM outputs. The Fan tacho
14controller supports up to 16 tachometer inputs.
15
16The driver provides the following sensor accesses in sysfs:
17
18=============== ======= =====================================================
19fanX_input	ro	provide current fan rotation value in RPM as reported
20			by the fan to the device.
21
22pwmX		rw	get or set PWM fan control value. This is an integer
23			value between 0(off) and 255(full speed).
24=============== ======= =====================================================
25