linux/drivers/pwm/Kconfig
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   1menuconfig PWM
   2        bool "Pulse-Width Modulation (PWM) Support"
   3        help
   4          Generic Pulse-Width Modulation (PWM) support.
   5
   6          In Pulse-Width Modulation, a variation of the width of pulses
   7          in a rectangular pulse signal is used as a means to alter the
   8          average power of the signal. Applications include efficient
   9          power delivery and voltage regulation. In computer systems,
  10          PWMs are commonly used to control fans or the brightness of
  11          display backlights.
  12
  13          This framework provides a generic interface to PWM devices
  14          within the Linux kernel. On the driver side it provides an API
  15          to register and unregister a PWM chip, an abstraction of a PWM
  16          controller, that supports one or more PWM devices. Client
  17          drivers can request PWM devices and use the generic framework
  18          to configure as well as enable and disable them.
  19
  20          This generic framework replaces the legacy PWM framework which
  21          allows only a single driver implementing the required API. Not
  22          all legacy implementations have been ported to the framework
  23          yet. The framework provides an API that is backward compatible
  24          with the legacy framework so that existing client drivers
  25          continue to work as expected.
  26
  27          If unsure, say no.
  28
  29if PWM
  30
  31config PWM_AB8500
  32        tristate "AB8500 PWM support"
  33        depends on AB8500_CORE && ARCH_U8500
  34        help
  35          Generic PWM framework driver for Analog Baseband AB8500.
  36
  37          To compile this driver as a module, choose M here: the module
  38          will be called pwm-ab8500.
  39
  40config PWM_BFIN
  41        tristate "Blackfin PWM support"
  42        depends on BFIN_GPTIMERS
  43        help
  44          Generic PWM framework driver for Blackfin.
  45
  46          To compile this driver as a module, choose M here: the module
  47          will be called pwm-bfin.
  48
  49config PWM_IMX
  50        tristate "i.MX pwm support"
  51        depends on ARCH_MXC
  52        help
  53          Generic PWM framework driver for i.MX.
  54
  55          To compile this driver as a module, choose M here: the module
  56          will be called pwm-imx.
  57
  58config PWM_JZ4740
  59        tristate "Ingenic JZ4740 PWM support"
  60        depends on MACH_JZ4740
  61        help
  62          Generic PWM framework driver for Ingenic JZ4740 based
  63          machines.
  64
  65          To compile this driver as a module, choose M here: the module
  66          will be called pwm-jz4740.
  67
  68config PWM_LPC32XX
  69        tristate "LPC32XX PWM support"
  70        depends on ARCH_LPC32XX
  71        help
  72          Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
  73          PWM controllers.
  74
  75          To compile this driver as a module, choose M here: the module
  76          will be called pwm-lpc32xx.
  77
  78config PWM_MXS
  79        tristate "Freescale MXS PWM support"
  80        depends on ARCH_MXS && OF
  81        select STMP_DEVICE
  82        help
  83          Generic PWM framework driver for Freescale MXS.
  84
  85          To compile this driver as a module, choose M here: the module
  86          will be called pwm-mxs.
  87
  88config PWM_PUV3
  89        tristate "PKUnity NetBook-0916 PWM support"
  90        depends on ARCH_PUV3
  91        help
  92          Generic PWM framework driver for PKUnity NetBook-0916.
  93
  94          To compile this driver as a module, choose M here: the module
  95          will be called pwm-puv3.
  96
  97config PWM_PXA
  98        tristate "PXA PWM support"
  99        depends on ARCH_PXA
 100        help
 101          Generic PWM framework driver for PXA.
 102
 103          To compile this driver as a module, choose M here: the module
 104          will be called pwm-pxa.
 105
 106config PWM_SAMSUNG
 107        tristate "Samsung pwm support"
 108        depends on PLAT_SAMSUNG
 109        help
 110          Generic PWM framework driver for Samsung.
 111
 112          To compile this driver as a module, choose M here: the module
 113          will be called pwm-samsung.
 114
 115config PWM_TEGRA
 116        tristate "NVIDIA Tegra PWM support"
 117        depends on ARCH_TEGRA
 118        help
 119          Generic PWM framework driver for the PWFM controller found on NVIDIA
 120          Tegra SoCs.
 121
 122          To compile this driver as a module, choose M here: the module
 123          will be called pwm-tegra.
 124
 125config  PWM_TIECAP
 126        tristate "ECAP PWM support"
 127        depends on SOC_AM33XX
 128        help
 129          PWM driver support for the ECAP APWM controller found on AM33XX
 130          TI SOC
 131
 132          To compile this driver as a module, choose M here: the module
 133          will be called pwm-tiecap.
 134
 135config  PWM_TIEHRPWM
 136        tristate "EHRPWM PWM support"
 137        depends on SOC_AM33XX
 138        help
 139          PWM driver support for the EHRPWM controller found on AM33XX
 140          TI SOC
 141
 142          To compile this driver as a module, choose M here: the module
 143          will be called pwm-tiehrpwm.
 144
 145config PWM_TWL6030
 146        tristate "TWL6030 PWM support"
 147        depends on TWL4030_CORE
 148        help
 149          Generic PWM framework driver for TWL6030.
 150
 151          To compile this driver as a module, choose M here: the module
 152          will be called pwm-twl6030.
 153
 154config PWM_VT8500
 155        tristate "vt8500 pwm support"
 156        depends on ARCH_VT8500
 157        help
 158          Generic PWM framework driver for vt8500.
 159
 160          To compile this driver as a module, choose M here: the module
 161          will be called pwm-vt8500.
 162
 163endif
 164
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