config MTK_PWM tristate "MediaTek PWM driver" default n help PWM: pluse-width modulation. PWM driver support for MediaTek SOC. If you want to use MediaTek PWM driver, say Y or M here. If unsure, say N. config MTK_PWM_V1 tristate "MediaTek PWM_V1 driver" default n help PWM: pluse-width modulation. PWM driver support for MediaTek SOC, PWM_V1's pwm base chagne from 0x10,0x50,0x90,... to 0x80,0xc0,0x100,... If you want to use MediaTek PWM_V1 driver, say Y or M here. If unsure, say N.