[deliverable/linux.git] / drivers / pwm / Kconfig

menuconfig PWM
	bool "Pulse-Width Modulation (PWM) Support"
	help
	  Generic Pulse-Width Modulation (PWM) support.

	  In Pulse-Width Modulation, a variation of the width of pulses
	  in a rectangular pulse signal is used as a means to alter the
	  average power of the signal. Applications include efficient
	  power delivery and voltage regulation. In computer systems,
	  PWMs are commonly used to control fans or the brightness of
	  display backlights.

	  This framework provides a generic interface to PWM devices
	  within the Linux kernel. On the driver side it provides an API
	  to register and unregister a PWM chip, an abstraction of a PWM
	  controller, that supports one or more PWM devices. Client
	  drivers can request PWM devices and use the generic framework
	  to configure as well as enable and disable them.

	  This generic framework replaces the legacy PWM framework which
	  allows only a single driver implementing the required API. Not
	  all legacy implementations have been ported to the framework
	  yet. The framework provides an API that is backward compatible
	  with the legacy framework so that existing client drivers
	  continue to work as expected.

	  If unsure, say no.

if PWM

config PWM_AB8500
	tristate "AB8500 PWM support"
	depends on AB8500_CORE && ARCH_U8500
	help
	  Generic PWM framework driver for Analog Baseband AB8500.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-ab8500.

config PWM_BFIN
	tristate "Blackfin PWM support"
	depends on BFIN_GPTIMERS
	help
	  Generic PWM framework driver for Blackfin.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-bfin.

config PWM_IMX
	tristate "i.MX pwm support"
	depends on ARCH_MXC
	help
	  Generic PWM framework driver for i.MX.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-imx.

config PWM_JZ4740
	tristate "Ingenic JZ4740 PWM support"
	depends on MACH_JZ4740
	help
	  Generic PWM framework driver for Ingenic JZ4740 based
	  machines.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-jz4740.

config PWM_LPC32XX
	tristate "LPC32XX PWM support"
	depends on ARCH_LPC32XX
	help
	  Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
	  PWM controllers.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-lpc32xx.

config PWM_MXS
	tristate "Freescale MXS PWM support"
	depends on ARCH_MXS && OF
	select STMP_DEVICE
	help
	  Generic PWM framework driver for Freescale MXS.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-mxs.

config PWM_PUV3
	tristate "PKUnity NetBook-0916 PWM support"
	depends on ARCH_PUV3
	help
	  Generic PWM framework driver for PKUnity NetBook-0916.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-puv3.

config PWM_PXA
	tristate "PXA PWM support"
	depends on ARCH_PXA
	help
	  Generic PWM framework driver for PXA.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-pxa.

config PWM_SAMSUNG
	tristate "Samsung pwm support"
	depends on PLAT_SAMSUNG
	help
	  Generic PWM framework driver for Samsung.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-samsung.

config PWM_TEGRA
	tristate "NVIDIA Tegra PWM support"
	depends on ARCH_TEGRA
	help
	  Generic PWM framework driver for the PWFM controller found on NVIDIA
	  Tegra SoCs.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-tegra.

config  PWM_TIECAP
	tristate "ECAP PWM support"
	depends on SOC_AM33XX
	help
	  PWM driver support for the ECAP APWM controller found on AM33XX
	  TI SOC

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-tiecap.

config  PWM_TIEHRPWM
	tristate "EHRPWM PWM support"
	depends on SOC_AM33XX
	help
	  PWM driver support for the EHRPWM controller found on AM33XX
	  TI SOC

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-tiehrpwm.

config PWM_TWL6030
	tristate "TWL6030 PWM support"
	depends on TWL4030_CORE
	help
	  Generic PWM framework driver for TWL6030.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-twl6030.

config PWM_VT8500
	tristate "vt8500 pwm support"
	depends on ARCH_VT8500
	help
	  Generic PWM framework driver for vt8500.

	  To compile this driver as a module, choose M here: the module
	  will be called pwm-vt8500.

endif
Commit	Line	Data
0c2498f1	1	menuconfig PWM
b817bf5c	2	bool "Pulse-Width Modulation (PWM) Support"
0c2498f1	3	help
b817bf5c	4	Generic Pulse-Width Modulation (PWM) support.
0c2498f1	5
b817bf5c TR	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.
0c2498f1 SH	28
	29	if PWM
	30
6173f8f4 TR	31	config 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
a4315e3c TR	40	config 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
29693248 SH	49	config 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
f6b8a570 TR	58	config 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
2132fa8d APS	68	config 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
4dce82c1 SG	78	config PWM_MXS
	79	tristate "Freescale MXS PWM support"
	80	depends on ARCH_MXS && OF
01bf32e9	81	select STMP_DEVICE
4dce82c1 SG	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
79c11b6f TR	88	config 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
17b2b478 TR	97	config 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
215c29d3 SH	106	config 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
0134b932 TR	115	config 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
8e0cb05b PA	125	config 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
19891b20 PA	135	config 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
48a364b7 TR	145	config 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
a245cceb SH	154	config 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
0c2498f1	163	endif