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"
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 "Blackfin PWM support"
67 depends on BFIN_GPTIMERS
69 Generic PWM framework driver for Blackfin.
71 To compile this driver as a module, choose M here: the module
72 will be called pwm-bfin.
75 tristate "Cirrus Logic EP93xx PWM support"
76 depends on ARCH_EP93XX
78 Generic PWM framework driver for Cirrus Logic EP93xx.
80 To compile this driver as a module, choose M here: the module
81 will be called pwm-ep93xx.
84 tristate "i.MX PWM support"
87 Generic PWM framework driver for i.MX.
89 To compile this driver as a module, choose M here: the module
90 will be called pwm-imx.
93 tristate "Ingenic JZ4740 PWM support"
94 depends on MACH_JZ4740
96 Generic PWM framework driver for Ingenic JZ4740 based
99 To compile this driver as a module, choose M here: the module
100 will be called pwm-jz4740.
103 tristate "TI/National Semiconductor LP3943 PWM support"
104 depends on MFD_LP3943
106 Generic PWM framework driver for LP3943 which supports two PWM
109 To compile this driver as a module, choose M here: the module
110 will be called pwm-lp3943.
113 tristate "LPC32XX PWM support"
114 depends on ARCH_LPC32XX
116 Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
119 To compile this driver as a module, choose M here: the module
120 will be called pwm-lpc32xx.
123 tristate "Freescale MXS PWM support"
124 depends on ARCH_MXS && OF
127 Generic PWM framework driver for Freescale MXS.
129 To compile this driver as a module, choose M here: the module
130 will be called pwm-mxs.
133 tristate "NXP PCA9685 PWM driver"
137 Generic PWM framework driver for NXP PCA9685 LED controller.
139 To compile this driver as a module, choose M here: the module
140 will be called pwm-pca9685.
143 tristate "PKUnity NetBook-0916 PWM support"
146 Generic PWM framework driver for PKUnity NetBook-0916.
148 To compile this driver as a module, choose M here: the module
149 will be called pwm-puv3.
152 tristate "PXA PWM support"
155 Generic PWM framework driver for PXA.
157 To compile this driver as a module, choose M here: the module
158 will be called pwm-pxa.
160 config PWM_RENESAS_TPU
161 tristate "Renesas TPU PWM support"
162 depends on ARCH_SHMOBILE || COMPILE_TEST
165 This driver exposes the Timer Pulse Unit (TPU) PWM controller found
166 in Renesas chips through the PWM API.
168 To compile this driver as a module, choose M here: the module
169 will be called pwm-renesas-tpu.
172 tristate "Samsung PWM support"
173 depends on PLAT_SAMSUNG
175 Generic PWM framework driver for Samsung.
177 To compile this driver as a module, choose M here: the module
178 will be called pwm-samsung.
181 tristate "STMicroelectronics SPEAr PWM support"
182 depends on PLAT_SPEAR
185 Generic PWM framework driver for the PWM controller on ST
188 To compile this driver as a module, choose M here: the module
189 will be called pwm-spear.
192 tristate "NVIDIA Tegra PWM support"
193 depends on ARCH_TEGRA
195 Generic PWM framework driver for the PWFM controller found on NVIDIA
198 To compile this driver as a module, choose M here: the module
199 will be called pwm-tegra.
202 tristate "ECAP PWM support"
203 depends on SOC_AM33XX || ARCH_DAVINCI_DA8XX
205 PWM driver support for the ECAP APWM controller found on AM33XX
208 To compile this driver as a module, choose M here: the module
209 will be called pwm-tiecap.
212 tristate "EHRPWM PWM support"
213 depends on SOC_AM33XX || ARCH_DAVINCI_DA8XX
215 PWM driver support for the EHRPWM controller found on AM33XX
218 To compile this driver as a module, choose M here: the module
219 will be called pwm-tiehrpwm.
223 default y if SOC_AM33XX && (PWM_TIECAP || PWM_TIEHRPWM)
225 PWM Subsystem driver support for AM33xx SOC.
227 PWM submodules require PWM config space access from submodule
228 drivers and require common parent driver support.
231 tristate "TWL4030/6030 PWM support"
232 depends on TWL4030_CORE
234 Generic PWM framework driver for TWL4030/6030.
236 To compile this driver as a module, choose M here: the module
237 will be called pwm-twl.
240 tristate "TWL4030/6030 PWM support for LED drivers"
241 depends on TWL4030_CORE
243 Generic PWM framework driver for TWL4030/6030 LED terminals.
245 To compile this driver as a module, choose M here: the module
246 will be called pwm-twl-led.
249 tristate "vt8500 PWM support"
250 depends on ARCH_VT8500
252 Generic PWM framework driver for vt8500.
254 To compile this driver as a module, choose M here: the module
255 will be called pwm-vt8500.