2 bool "Pulse-Width Modulation (PWM) Support"
4 Generic Pulse-Width Modulation (PWM) support.
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
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.
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.
36 tristate "AB8500 PWM support"
37 depends on AB8500_CORE && ARCH_U8500
39 Generic PWM framework driver for Analog Baseband AB8500.
41 To compile this driver as a module, choose M here: the module
42 will be called pwm-ab8500.
45 tristate "Atmel PWM support"
46 depends on ARCH_AT91 || AVR32
48 Generic PWM framework driver for Atmel SoC.
50 To compile this driver as a module, choose M here: the module
51 will be called pwm-atmel.
54 tristate "Atmel TC Block PWM support"
55 depends on ATMEL_TCLIB && OF
57 Generic PWM framework driver for Atmel Timer Counter Block.
59 A Timer Counter Block provides 6 PWM devices grouped by 2.
60 Devices in a given group must have the same period.
62 To compile this driver as a module, choose M here: the module
63 will be called pwm-atmel-tcb.
66 tristate "Kona PWM support"
67 depends on ARCH_BCM_MOBILE
69 Generic PWM framework driver for Broadcom Kona PWM block.
71 To compile this driver as a module, choose M here: the module
72 will be called pwm-bcm-kona.
75 tristate "Blackfin PWM support"
76 depends on BFIN_GPTIMERS
78 Generic PWM framework driver for Blackfin.
80 To compile this driver as a module, choose M here: the module
81 will be called pwm-bfin.
84 tristate "CLPS711X PWM support"
85 depends on ARCH_CLPS711X || COMPILE_TEST
88 Generic PWM framework driver for Cirrus Logic CLPS711X.
90 To compile this driver as a module, choose M here: the module
91 will be called pwm-clps711x.
94 tristate "Cirrus Logic EP93xx PWM support"
95 depends on ARCH_EP93XX
97 Generic PWM framework driver for Cirrus Logic EP93xx.
99 To compile this driver as a module, choose M here: the module
100 will be called pwm-ep93xx.
103 tristate "Freescale FlexTimer Module (FTM) PWM support"
107 Generic FTM PWM framework driver for Freescale VF610 and
108 Layerscape LS-1 SoCs.
110 To compile this driver as a module, choose M here: the module
111 will be called pwm-fsl-ftm.
114 tristate "i.MX PWM support"
117 Generic PWM framework driver for i.MX.
119 To compile this driver as a module, choose M here: the module
120 will be called pwm-imx.
123 tristate "Ingenic JZ4740 PWM support"
124 depends on MACH_JZ4740
126 Generic PWM framework driver for Ingenic JZ4740 based
129 To compile this driver as a module, choose M here: the module
130 will be called pwm-jz4740.
133 tristate "TI/National Semiconductor LP3943 PWM support"
134 depends on MFD_LP3943
136 Generic PWM framework driver for LP3943 which supports two PWM
139 To compile this driver as a module, choose M here: the module
140 will be called pwm-lp3943.
143 tristate "LPC32XX PWM support"
144 depends on ARCH_LPC32XX
146 Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
149 To compile this driver as a module, choose M here: the module
150 will be called pwm-lpc32xx.
153 tristate "Intel LPSS PWM support"
156 Generic PWM framework driver for Intel Low Power Subsystem PWM
159 To compile this driver as a module, choose M here: the module
160 will be called pwm-lpss.
163 tristate "Intel LPSS PWM PCI driver"
164 depends on PWM_LPSS && PCI
166 The PCI driver for Intel Low Power Subsystem PWM controller.
168 To compile this driver as a module, choose M here: the module
169 will be called pwm-lpss-pci.
171 config PWM_LPSS_PLATFORM
172 tristate "Intel LPSS PWM platform driver"
173 depends on PWM_LPSS && ACPI
175 The platform driver for Intel Low Power Subsystem PWM controller.
177 To compile this driver as a module, choose M here: the module
178 will be called pwm-lpss-platform.
181 tristate "Freescale MXS PWM support"
182 depends on ARCH_MXS && OF
185 Generic PWM framework driver for Freescale MXS.
187 To compile this driver as a module, choose M here: the module
188 will be called pwm-mxs.
191 tristate "NXP PCA9685 PWM driver"
195 Generic PWM framework driver for NXP PCA9685 LED controller.
197 To compile this driver as a module, choose M here: the module
198 will be called pwm-pca9685.
201 tristate "PKUnity NetBook-0916 PWM support"
204 Generic PWM framework driver for PKUnity NetBook-0916.
206 To compile this driver as a module, choose M here: the module
207 will be called pwm-puv3.
210 tristate "PXA PWM support"
213 Generic PWM framework driver for PXA.
215 To compile this driver as a module, choose M here: the module
216 will be called pwm-pxa.
218 config PWM_RENESAS_TPU
219 tristate "Renesas TPU PWM support"
220 depends on ARCH_SHMOBILE || COMPILE_TEST
223 This driver exposes the Timer Pulse Unit (TPU) PWM controller found
224 in Renesas chips through the PWM API.
226 To compile this driver as a module, choose M here: the module
227 will be called pwm-renesas-tpu.
230 tristate "Rockchip PWM support"
231 depends on ARCH_ROCKCHIP
233 Generic PWM framework driver for the PWM controller found on
237 tristate "Samsung PWM support"
238 depends on PLAT_SAMSUNG
240 Generic PWM framework driver for Samsung.
242 To compile this driver as a module, choose M here: the module
243 will be called pwm-samsung.
246 tristate "STMicroelectronics SPEAr PWM support"
247 depends on PLAT_SPEAR
250 Generic PWM framework driver for the PWM controller on ST
253 To compile this driver as a module, choose M here: the module
254 will be called pwm-spear.
257 tristate "STiH4xx PWM support"
261 Generic PWM framework driver for STiH4xx SoCs.
263 To compile this driver as a module, choose M here: the module
264 will be called pwm-sti.
267 tristate "NVIDIA Tegra PWM support"
268 depends on ARCH_TEGRA
270 Generic PWM framework driver for the PWFM controller found on NVIDIA
273 To compile this driver as a module, choose M here: the module
274 will be called pwm-tegra.
277 tristate "ECAP PWM support"
278 depends on SOC_AM33XX || ARCH_DAVINCI_DA8XX
280 PWM driver support for the ECAP APWM controller found on AM33XX
283 To compile this driver as a module, choose M here: the module
284 will be called pwm-tiecap.
287 tristate "EHRPWM PWM support"
288 depends on SOC_AM33XX || ARCH_DAVINCI_DA8XX
290 PWM driver support for the EHRPWM controller found on AM33XX
293 To compile this driver as a module, choose M here: the module
294 will be called pwm-tiehrpwm.
298 default y if SOC_AM33XX && (PWM_TIECAP || PWM_TIEHRPWM)
300 PWM Subsystem driver support for AM33xx SOC.
302 PWM submodules require PWM config space access from submodule
303 drivers and require common parent driver support.
306 tristate "TWL4030/6030 PWM support"
307 depends on TWL4030_CORE
309 Generic PWM framework driver for TWL4030/6030.
311 To compile this driver as a module, choose M here: the module
312 will be called pwm-twl.
315 tristate "TWL4030/6030 PWM support for LED drivers"
316 depends on TWL4030_CORE
318 Generic PWM framework driver for TWL4030/6030 LED terminals.
320 To compile this driver as a module, choose M here: the module
321 will be called pwm-twl-led.
324 tristate "vt8500 PWM support"
325 depends on ARCH_VT8500
327 Generic PWM framework driver for vt8500.
329 To compile this driver as a module, choose M here: the module
330 will be called pwm-vt8500.