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_SYSFS
 32	bool
 33	default y if SYSFS
 34
 
 
 
 
 
 
 
 
 
 35config PWM_AB8500
 36	tristate "AB8500 PWM support"
 37	depends on AB8500_CORE && ARCH_U8500
 38	help
 39	  Generic PWM framework driver for Analog Baseband AB8500.
 40
 41	  To compile this driver as a module, choose M here: the module
 42	  will be called pwm-ab8500.
 43
 
 
 
 
 
 
 
 
 
 
 
 
 44config PWM_ATMEL
 45	tristate "Atmel PWM support"
 46	depends on ARCH_AT91 || AVR32
 
 47	help
 48	  Generic PWM framework driver for Atmel SoC.
 49
 50	  To compile this driver as a module, choose M here: the module
 51	  will be called pwm-atmel.
 52
 53config PWM_ATMEL_HLCDC_PWM
 54	tristate "Atmel HLCDC PWM support"
 55	depends on MFD_ATMEL_HLCDC
 56	depends on HAVE_CLK
 57	help
 58	  Generic PWM framework driver for the PWM output of the HLCDC
 59	  (Atmel High-end LCD Controller). This PWM output is mainly used
 60	  to control the LCD backlight.
 61
 62	  To compile this driver as a module, choose M here: the module
 63	  will be called pwm-atmel-hlcdc.
 64
 65config PWM_ATMEL_TCB
 66	tristate "Atmel TC Block PWM support"
 67	depends on ATMEL_TCLIB && OF
 
 68	help
 69	  Generic PWM framework driver for Atmel Timer Counter Block.
 70
 71	  A Timer Counter Block provides 6 PWM devices grouped by 2.
 72	  Devices in a given group must have the same period.
 73
 74	  To compile this driver as a module, choose M here: the module
 75	  will be called pwm-atmel-tcb.
 76
 
 
 
 
 
 
 
 
 
 
 
 
 77config PWM_BCM_KONA
 78	tristate "Kona PWM support"
 79	depends on ARCH_BCM_MOBILE
 
 
 80	help
 81	  Generic PWM framework driver for Broadcom Kona PWM block.
 82
 83	  To compile this driver as a module, choose M here: the module
 84	  will be called pwm-bcm-kona.
 85
 86config PWM_BCM2835
 87	tristate "BCM2835 PWM support"
 88	depends on ARCH_BCM2835
 
 89	help
 90	  PWM framework driver for BCM2835 controller (Raspberry Pi)
 91
 92	  To compile this driver as a module, choose M here: the module
 93	  will be called pwm-bcm2835.
 94
 95config PWM_BERLIN
 96	tristate "Marvell Berlin PWM support"
 97	depends on ARCH_BERLIN
 
 98	help
 99	  PWM framework driver for Marvell Berlin SoCs.
100
101	  To compile this driver as a module, choose M here: the module
102	  will be called pwm-berlin.
103
104config PWM_BFIN
105	tristate "Blackfin PWM support"
106	depends on BFIN_GPTIMERS
107	help
108	  Generic PWM framework driver for Blackfin.
109
110	  To compile this driver as a module, choose M here: the module
111	  will be called pwm-bfin.
112
113config PWM_BRCMSTB
114	tristate "Broadcom STB PWM support"
115	depends on ARCH_BRCMSTB || BMIPS_GENERIC
 
116	help
117	  Generic PWM framework driver for the Broadcom Set-top-Box
118	  SoCs (BCM7xxx).
119
120	  To compile this driver as a module, choose M Here: the module
121	  will be called pwm-brcmstb.c.
122
 
 
 
 
 
 
 
 
 
 
123config PWM_CLPS711X
124	tristate "CLPS711X PWM support"
125	depends on ARCH_CLPS711X || COMPILE_TEST
126	depends on HAS_IOMEM
127	help
128	  Generic PWM framework driver for Cirrus Logic CLPS711X.
129
130	  To compile this driver as a module, choose M here: the module
131	  will be called pwm-clps711x.
132
133config PWM_CRC
134	bool "Intel Crystalcove (CRC) PWM support"
135	depends on X86 && INTEL_SOC_PMIC
136	help
137	  Generic PWM framework driver for Crystalcove (CRC) PMIC based PWM
138	  control.
139
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
140config PWM_EP93XX
141	tristate "Cirrus Logic EP93xx PWM support"
142	depends on ARCH_EP93XX
 
143	help
144	  Generic PWM framework driver for Cirrus Logic EP93xx.
145
146	  To compile this driver as a module, choose M here: the module
147	  will be called pwm-ep93xx.
148
149config PWM_FSL_FTM
150	tristate "Freescale FlexTimer Module (FTM) PWM support"
151	depends on HAS_IOMEM
152	depends on OF
153	select REGMAP_MMIO
154	help
155	  Generic FTM PWM framework driver for Freescale VF610 and
156	  Layerscape LS-1 SoCs.
157
158	  To compile this driver as a module, choose M here: the module
159	  will be called pwm-fsl-ftm.
160
 
 
 
 
 
 
 
 
 
 
161config PWM_IMG
162	tristate "Imagination Technologies PWM driver"
163	depends on HAS_IOMEM
164	depends on MFD_SYSCON
165	depends on COMMON_CLK
166	depends on MIPS || COMPILE_TEST
167	help
168	  Generic PWM framework driver for Imagination Technologies
169	  PWM block which supports 4 channels.
170
171	  To compile this driver as a module, choose M here: the module
172	  will be called pwm-img
173
174config PWM_IMX
175	tristate "i.MX PWM support"
176	depends on ARCH_MXC
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
177	help
178	  Generic PWM framework driver for i.MX.
179
180	  To compile this driver as a module, choose M here: the module
181	  will be called pwm-imx.
 
 
 
 
 
 
 
 
 
 
182
183config PWM_JZ4740
184	tristate "Ingenic JZ4740 PWM support"
185	depends on MACH_JZ4740
 
 
186	help
187	  Generic PWM framework driver for Ingenic JZ4740 based
188	  machines.
189
190	  To compile this driver as a module, choose M here: the module
191	  will be called pwm-jz4740.
192
 
 
 
 
 
 
 
 
 
 
193config PWM_LP3943
194	tristate "TI/National Semiconductor LP3943 PWM support"
195	depends on MFD_LP3943
196	help
197	  Generic PWM framework driver for LP3943 which supports two PWM
198	  channels.
199
200	  To compile this driver as a module, choose M here: the module
201	  will be called pwm-lp3943.
202
203config PWM_LPC18XX_SCT
204	tristate "LPC18xx/43xx PWM/SCT support"
205	depends on ARCH_LPC18XX
 
206	help
207	  Generic PWM framework driver for NXP LPC18xx PWM/SCT which
208	  supports 16 channels.
209	  A maximum of 15 channels can be requested simultaneously and
210	  must have the same period.
211
212	  To compile this driver as a module, choose M here: the module
213	  will be called pwm-lpc18xx-sct.
214
215config PWM_LPC32XX
216	tristate "LPC32XX PWM support"
217	depends on ARCH_LPC32XX
 
218	help
219	  Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
220	  PWM controllers.
221
222	  To compile this driver as a module, choose M here: the module
223	  will be called pwm-lpc32xx.
224
225config PWM_LPSS
 
226	tristate
227
228config PWM_LPSS_PCI
229	tristate "Intel LPSS PWM PCI driver"
230	depends on X86 && PCI
 
231	select PWM_LPSS
232	help
233	  The PCI driver for Intel Low Power Subsystem PWM controller.
234
235	  To compile this driver as a module, choose M here: the module
236	  will be called pwm-lpss-pci.
237
238config PWM_LPSS_PLATFORM
239	tristate "Intel LPSS PWM platform driver"
240	depends on X86 && ACPI
 
241	select PWM_LPSS
242	help
243	  The platform driver for Intel Low Power Subsystem PWM controller.
244
245	  To compile this driver as a module, choose M here: the module
246	  will be called pwm-lpss-platform.
247
 
 
 
 
 
 
 
 
 
 
248config PWM_MTK_DISP
249	tristate "MediaTek display PWM driver"
250	depends on ARCH_MEDIATEK || COMPILE_TEST
251	depends on HAS_IOMEM
252	help
253	  Generic PWM framework driver for MediaTek disp-pwm device.
254	  The PWM is used to control the backlight brightness for display.
255
256	  To compile this driver as a module, choose M here: the module
257	  will be called pwm-mtk-disp.
258
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
259config PWM_MXS
260	tristate "Freescale MXS PWM support"
261	depends on ARCH_MXS && OF
 
262	select STMP_DEVICE
263	help
264	  Generic PWM framework driver for Freescale MXS.
265
266	  To compile this driver as a module, choose M here: the module
267	  will be called pwm-mxs.
268
 
 
 
 
 
 
 
 
269config PWM_OMAP_DMTIMER
270	tristate "OMAP Dual-Mode Timer PWM support"
271	depends on OF && ARCH_OMAP && OMAP_DM_TIMER
 
272	help
273	  Generic PWM framework driver for OMAP Dual-Mode Timer PWM output
274
275	  To compile this driver as a module, choose M here: the module
276	  will be called pwm-omap-dmtimer
277
278config PWM_PCA9685
279	tristate "NXP PCA9685 PWM driver"
280	depends on I2C
281	select REGMAP_I2C
282	help
283	  Generic PWM framework driver for NXP PCA9685 LED controller.
284
285	  To compile this driver as a module, choose M here: the module
286	  will be called pwm-pca9685.
287
288config PWM_PUV3
289	tristate "PKUnity NetBook-0916 PWM support"
290	depends on ARCH_PUV3
291	help
292	  Generic PWM framework driver for PKUnity NetBook-0916.
293
294	  To compile this driver as a module, choose M here: the module
295	  will be called pwm-puv3.
296
297config PWM_PXA
298	tristate "PXA PWM support"
299	depends on ARCH_PXA
 
300	help
301	  Generic PWM framework driver for PXA.
302
303	  To compile this driver as a module, choose M here: the module
304	  will be called pwm-pxa.
305
 
 
 
 
 
 
 
 
 
306config PWM_RCAR
307	tristate "Renesas R-Car PWM support"
308	depends on ARCH_RCAR_GEN1 || ARCH_RCAR_GEN2 || COMPILE_TEST
309	depends on HAS_IOMEM
310	help
311	  This driver exposes the PWM Timer controller found in Renesas
312	  R-Car chips through the PWM API.
313
314	  To compile this driver as a module, choose M here: the module
315	  will be called pwm-rcar.
316
317config PWM_RENESAS_TPU
318	tristate "Renesas TPU PWM support"
319	depends on ARCH_RENESAS || COMPILE_TEST
320	depends on HAS_IOMEM
321	help
322	  This driver exposes the Timer Pulse Unit (TPU) PWM controller found
323	  in Renesas chips through the PWM API.
324
325	  To compile this driver as a module, choose M here: the module
326	  will be called pwm-renesas-tpu.
327
328config PWM_ROCKCHIP
329	tristate "Rockchip PWM support"
330	depends on ARCH_ROCKCHIP
 
331	help
332	  Generic PWM framework driver for the PWM controller found on
333	  Rockchip SoCs.
334
 
 
 
 
 
 
 
 
 
 
 
335config PWM_SAMSUNG
336	tristate "Samsung PWM support"
337	depends on PLAT_SAMSUNG || ARCH_EXYNOS
 
338	help
339	  Generic PWM framework driver for Samsung.
 
 
340
341	  To compile this driver as a module, choose M here: the module
342	  will be called pwm-samsung.
343
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
344config PWM_SPEAR
345	tristate "STMicroelectronics SPEAr PWM support"
346	depends on PLAT_SPEAR
347	depends on OF
348	help
349	  Generic PWM framework driver for the PWM controller on ST
350	  SPEAr SoCs.
351
352	  To compile this driver as a module, choose M here: the module
353	  will be called pwm-spear.
354
 
 
 
 
 
 
 
 
 
 
 
355config PWM_STI
356	tristate "STiH4xx PWM support"
357	depends on ARCH_STI
358	depends on OF
359	help
360	  Generic PWM framework driver for STiH4xx SoCs.
361
362	  To compile this driver as a module, choose M here: the module
363	  will be called pwm-sti.
364
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365config PWM_SUN4I
366	tristate "Allwinner PWM support"
367	depends on ARCH_SUNXI || COMPILE_TEST
368	depends on HAS_IOMEM && COMMON_CLK
369	help
370	  Generic PWM framework driver for Allwinner SoCs.
371
372	  To compile this driver as a module, choose M here: the module
373	  will be called pwm-sun4i.
374
 
 
 
 
 
 
 
 
 
 
 
375config PWM_TEGRA
376	tristate "NVIDIA Tegra PWM support"
377	depends on ARCH_TEGRA
 
378	help
379	  Generic PWM framework driver for the PWFM controller found on NVIDIA
380	  Tegra SoCs.
381
382	  To compile this driver as a module, choose M here: the module
383	  will be called pwm-tegra.
384
385config  PWM_TIECAP
386	tristate "ECAP PWM support"
387	depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX
 
388	help
389	  PWM driver support for the ECAP APWM controller found on AM33XX
390	  TI SOC
391
392	  To compile this driver as a module, choose M here: the module
393	  will be called pwm-tiecap.
394
395config  PWM_TIEHRPWM
396	tristate "EHRPWM PWM support"
397	depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX
 
398	help
399	  PWM driver support for the EHRPWM controller found on AM33XX
400	  TI SOC
401
402	  To compile this driver as a module, choose M here: the module
403	  will be called pwm-tiehrpwm.
404
405config  PWM_TIPWMSS
406	bool
407	default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM)
408	help
409	  PWM Subsystem driver support for AM33xx SOC.
410
411	  PWM submodules require PWM config space access from submodule
412	  drivers and require common parent driver support.
413
414config PWM_TWL
415	tristate "TWL4030/6030 PWM support"
416	depends on TWL4030_CORE
417	help
418	  Generic PWM framework driver for TWL4030/6030.
419
420	  To compile this driver as a module, choose M here: the module
421	  will be called pwm-twl.
422
423config PWM_TWL_LED
424	tristate "TWL4030/6030 PWM support for LED drivers"
425	depends on TWL4030_CORE
426	help
427	  Generic PWM framework driver for TWL4030/6030 LED terminals.
428
429	  To compile this driver as a module, choose M here: the module
430	  will be called pwm-twl-led.
431
 
 
 
 
 
 
 
 
 
432config PWM_VT8500
433	tristate "vt8500 PWM support"
434	depends on ARCH_VT8500
 
435	help
436	  Generic PWM framework driver for vt8500.
437
438	  To compile this driver as a module, choose M here: the module
439	  will be called pwm-vt8500.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
440
441endif

  1# SPDX-License-Identifier: GPL-2.0-only
  2menuconfig PWM
  3	bool "Pulse-Width Modulation (PWM) Support"
  4	help
  5	  Generic Pulse-Width Modulation (PWM) support.
  6
  7	  In Pulse-Width Modulation, a variation of the width of pulses
  8	  in a rectangular pulse signal is used as a means to alter the
  9	  average power of the signal. Applications include efficient
 10	  power delivery and voltage regulation. In computer systems,
 11	  PWMs are commonly used to control fans or the brightness of
 12	  display backlights.
 13
 14	  This framework provides a generic interface to PWM devices
 15	  within the Linux kernel. On the driver side it provides an API
 16	  to register and unregister a PWM chip, an abstraction of a PWM
 17	  controller, that supports one or more PWM devices. Client
 18	  drivers can request PWM devices and use the generic framework
 19	  to configure as well as enable and disable them.
 20
 21	  This generic framework replaces the legacy PWM framework which
 22	  allows only a single driver implementing the required API. Not
 23	  all legacy implementations have been ported to the framework
 24	  yet. The framework provides an API that is backward compatible
 25	  with the legacy framework so that existing client drivers
 26	  continue to work as expected.
 27
 28	  If unsure, say no.
 29
 30if PWM
 31
 32config PWM_SYSFS
 33	bool
 34	default y if SYSFS
 35
 36config PWM_DEBUG
 37	bool "PWM lowlevel drivers additional checks and debug messages"
 38	depends on DEBUG_KERNEL
 39	help
 40	  This option enables some additional checks to help lowlevel driver
 41	  authors to get their callbacks implemented correctly.
 42	  It is expected to introduce some runtime overhead and diagnostic
 43	  output to the kernel log, so only enable while working on a driver.
 44
 45config PWM_AB8500
 46	tristate "AB8500 PWM support"
 47	depends on AB8500_CORE && ARCH_U8500
 48	help
 49	  Generic PWM framework driver for Analog Baseband AB8500.
 50
 51	  To compile this driver as a module, choose M here: the module
 52	  will be called pwm-ab8500.
 53
 54config PWM_APPLE
 55	tristate "Apple SoC PWM support"
 56	depends on ARCH_APPLE || COMPILE_TEST
 57	help
 58	  Generic PWM framework driver for PWM controller present on
 59	  Apple SoCs
 60
 61	  Say Y here if you have an ARM Apple laptop, otherwise say N
 62
 63	  To compile this driver as a module, choose M here: the module
 64	  will be called pwm-apple.
 65
 66config PWM_ATMEL
 67	tristate "Atmel PWM support"
 68	depends on ARCH_AT91 || COMPILE_TEST
 69	depends on HAS_IOMEM && OF
 70	help
 71	  Generic PWM framework driver for Atmel SoC.
 72
 73	  To compile this driver as a module, choose M here: the module
 74	  will be called pwm-atmel.
 75
 76config PWM_ATMEL_HLCDC_PWM
 77	tristate "Atmel HLCDC PWM support"
 78	depends on MFD_ATMEL_HLCDC
 79	depends on HAVE_CLK
 80	help
 81	  Generic PWM framework driver for the PWM output of the HLCDC
 82	  (Atmel High-end LCD Controller). This PWM output is mainly used
 83	  to control the LCD backlight.
 84
 85	  To compile this driver as a module, choose M here: the module
 86	  will be called pwm-atmel-hlcdc.
 87
 88config PWM_ATMEL_TCB
 89	tristate "Atmel TC Block PWM support"
 90	depends on OF
 91	select REGMAP_MMIO
 92	help
 93	  Generic PWM framework driver for Atmel Timer Counter Block.
 94
 95	  A Timer Counter Block provides 6 PWM devices grouped by 2.
 96	  Devices in a given group must have the same period.
 97
 98	  To compile this driver as a module, choose M here: the module
 99	  will be called pwm-atmel-tcb.
100
101config PWM_BCM_IPROC
102	tristate "iProc PWM support"
103	depends on ARCH_BCM_IPROC || COMPILE_TEST
104	depends on COMMON_CLK && HAS_IOMEM
105	default ARCH_BCM_IPROC
106	help
107	  Generic PWM framework driver for Broadcom iProc PWM block. This
108	  block is used in Broadcom iProc SoC's.
109
110	  To compile this driver as a module, choose M here: the module
111	  will be called pwm-bcm-iproc.
112
113config PWM_BCM_KONA
114	tristate "Kona PWM support"
115	depends on ARCH_BCM_MOBILE || ARCH_BCM_CYGNUS || COMPILE_TEST
116	depends on HAVE_CLK && HAS_IOMEM
117	default ARCH_BCM_MOBILE || ARCH_BCM_CYGNUS
118	help
119	  Generic PWM framework driver for Broadcom Kona PWM block.
120
121	  To compile this driver as a module, choose M here: the module
122	  will be called pwm-bcm-kona.
123
124config PWM_BCM2835
125	tristate "BCM2835 PWM support"
126	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
127	depends on HAS_IOMEM
128	help
129	  PWM framework driver for BCM2835 controller (Raspberry Pi)
130
131	  To compile this driver as a module, choose M here: the module
132	  will be called pwm-bcm2835.
133
134config PWM_BERLIN
135	tristate "Marvell Berlin PWM support"
136	depends on ARCH_BERLIN || COMPILE_TEST
137	depends on HAS_IOMEM
138	help
139	  PWM framework driver for Marvell Berlin SoCs.
140
141	  To compile this driver as a module, choose M here: the module
142	  will be called pwm-berlin.
143
 
 
 
 
 
 
 
 
 
144config PWM_BRCMSTB
145	tristate "Broadcom STB PWM support"
146	depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
147	depends on HAS_IOMEM
148	help
149	  Generic PWM framework driver for the Broadcom Set-top-Box
150	  SoCs (BCM7xxx).
151
152	  To compile this driver as a module, choose M Here: the module
153	  will be called pwm-brcmstb.c.
154
155config PWM_CLK
156	tristate "Clock based PWM support"
157	depends on HAVE_CLK || COMPILE_TEST
158	help
159	  Generic PWM framework driver for outputs that can be
160	  muxed to clocks.
161
162	  To compile this driver as a module, choose M here: the module
163	  will be called pwm-clk.
164
165config PWM_CLPS711X
166	tristate "CLPS711X PWM support"
167	depends on ARCH_CLPS711X || COMPILE_TEST
168	depends on HAS_IOMEM
169	help
170	  Generic PWM framework driver for Cirrus Logic CLPS711X.
171
172	  To compile this driver as a module, choose M here: the module
173	  will be called pwm-clps711x.
174
175config PWM_CRC
176	tristate "Intel Crystalcove (CRC) PWM support"
177	depends on INTEL_SOC_PMIC
178	help
179	  Generic PWM framework driver for Crystalcove (CRC) PMIC based PWM
180	  control.
181
182config PWM_CROS_EC
183	tristate "ChromeOS EC PWM driver"
184	depends on CROS_EC
185	help
186	  PWM driver for exposing a PWM attached to the ChromeOS Embedded
187	  Controller.
188
189config PWM_DWC_CORE
190	tristate
191	depends on HAS_IOMEM
192	help
193	  PWM driver for Synopsys DWC PWM Controller.
194
195	  To compile this driver as a module, build the dependecies as
196	  modules, this will be called pwm-dwc-core.
197
198config PWM_DWC
199	tristate "DesignWare PWM Controller (PCI bus)"
200	depends on HAS_IOMEM && PCI
201	select PWM_DWC_CORE
202	help
203	  PWM driver for Synopsys DWC PWM Controller attached to a PCI bus.
204
205	  To compile this driver as a module, choose M here: the module
206	  will be called pwm-dwc.
207
208config PWM_EP93XX
209	tristate "Cirrus Logic EP93xx PWM support"
210	depends on ARCH_EP93XX || COMPILE_TEST
211	depends on HAS_IOMEM
212	help
213	  Generic PWM framework driver for Cirrus Logic EP93xx.
214
215	  To compile this driver as a module, choose M here: the module
216	  will be called pwm-ep93xx.
217
218config PWM_FSL_FTM
219	tristate "Freescale FlexTimer Module (FTM) PWM support"
220	depends on HAS_IOMEM
221	depends on OF
222	select REGMAP_MMIO
223	help
224	  Generic FTM PWM framework driver for Freescale VF610 and
225	  Layerscape LS-1 SoCs.
226
227	  To compile this driver as a module, choose M here: the module
228	  will be called pwm-fsl-ftm.
229
230config PWM_HIBVT
231	tristate "HiSilicon BVT PWM support"
232	depends on ARCH_HISI || COMPILE_TEST
233	depends on HAS_IOMEM
234	help
235	  Generic PWM framework driver for HiSilicon BVT SoCs.
236
237	  To compile this driver as a module, choose M here: the module
238	  will be called pwm-hibvt.
239
240config PWM_IMG
241	tristate "Imagination Technologies PWM driver"
242	depends on HAS_IOMEM
243	depends on MFD_SYSCON
244	depends on COMMON_CLK
245	depends on MIPS || COMPILE_TEST
246	help
247	  Generic PWM framework driver for Imagination Technologies
248	  PWM block which supports 4 channels.
249
250	  To compile this driver as a module, choose M here: the module
251	  will be called pwm-img
252
253config PWM_IMX1
254	tristate "i.MX1 PWM support"
255	depends on ARCH_MXC || COMPILE_TEST
256	depends on HAS_IOMEM
257	help
258	  Generic PWM framework driver for i.MX1 and i.MX21
259
260	  To compile this driver as a module, choose M here: the module
261	  will be called pwm-imx1.
262
263config PWM_IMX27
264	tristate "i.MX27 PWM support"
265	depends on ARCH_MXC || COMPILE_TEST
266	depends on HAS_IOMEM
267	help
268	  Generic PWM framework driver for i.MX27 and later i.MX SoCs.
269
270	  To compile this driver as a module, choose M here: the module
271	  will be called pwm-imx27.
272
273config PWM_IMX_TPM
274	tristate "i.MX TPM PWM support"
275	depends on ARCH_MXC || COMPILE_TEST
276	depends on HAVE_CLK && HAS_IOMEM
277	help
278	  Generic PWM framework driver for i.MX7ULP TPM module, TPM's full
279	  name is Low Power Timer/Pulse Width Modulation Module.
280
281	  To compile this driver as a module, choose M here: the module
282	  will be called pwm-imx-tpm.
283
284config PWM_INTEL_LGM
285	tristate "Intel LGM PWM support"
286	depends on HAS_IOMEM
287	depends on (OF && X86) || COMPILE_TEST
288	select REGMAP_MMIO
289	help
290	  Generic PWM fan controller driver for LGM SoC.
291
292	  To compile this driver as a module, choose M here: the module
293	  will be called pwm-intel-lgm.
294
295config PWM_IQS620A
296	tristate "Azoteq IQS620A PWM support"
297	depends on MFD_IQS62X || COMPILE_TEST
298	help
299	  Generic PWM framework driver for the Azoteq IQS620A multi-function
300	  sensor.
301
302	  To compile this driver as a module, choose M here: the module will
303	  be called pwm-iqs620a.
304
305config PWM_JZ4740
306	tristate "Ingenic JZ47xx PWM support"
307	depends on MACH_INGENIC || COMPILE_TEST
308	depends on COMMON_CLK && OF
309	select MFD_SYSCON
310	help
311	  Generic PWM framework driver for Ingenic JZ47xx based
312	  machines.
313
314	  To compile this driver as a module, choose M here: the module
315	  will be called pwm-jz4740.
316
317config PWM_KEEMBAY
318	tristate "Intel Keem Bay PWM driver"
319	depends on ARCH_KEEMBAY || COMPILE_TEST
320	depends on COMMON_CLK && HAS_IOMEM
321	help
322	  The platform driver for Intel Keem Bay PWM controller.
323
324	  To compile this driver as a module, choose M here: the module
325	  will be called pwm-keembay.
326
327config PWM_LP3943
328	tristate "TI/National Semiconductor LP3943 PWM support"
329	depends on MFD_LP3943
330	help
331	  Generic PWM framework driver for LP3943 which supports two PWM
332	  channels.
333
334	  To compile this driver as a module, choose M here: the module
335	  will be called pwm-lp3943.
336
337config PWM_LPC18XX_SCT
338	tristate "LPC18xx/43xx PWM/SCT support"
339	depends on ARCH_LPC18XX || COMPILE_TEST
340	depends on HAS_IOMEM
341	help
342	  Generic PWM framework driver for NXP LPC18xx PWM/SCT which
343	  supports 16 channels.
344	  A maximum of 15 channels can be requested simultaneously and
345	  must have the same period.
346
347	  To compile this driver as a module, choose M here: the module
348	  will be called pwm-lpc18xx-sct.
349
350config PWM_LPC32XX
351	tristate "LPC32XX PWM support"
352	depends on ARCH_LPC32XX || COMPILE_TEST
353	depends on HAS_IOMEM
354	help
355	  Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
356	  PWM controllers.
357
358	  To compile this driver as a module, choose M here: the module
359	  will be called pwm-lpc32xx.
360
361config PWM_LPSS
362	depends on HAS_IOMEM
363	tristate
364
365config PWM_LPSS_PCI
366	tristate "Intel LPSS PWM PCI driver"
367	depends on X86 || COMPILE_TEST
368	depends on HAS_IOMEM && PCI
369	select PWM_LPSS
370	help
371	  The PCI driver for Intel Low Power Subsystem PWM controller.
372
373	  To compile this driver as a module, choose M here: the module
374	  will be called pwm-lpss-pci.
375
376config PWM_LPSS_PLATFORM
377	tristate "Intel LPSS PWM platform driver"
378	depends on (X86 && ACPI) || COMPILE_TEST
379	depends on HAS_IOMEM
380	select PWM_LPSS
381	help
382	  The platform driver for Intel Low Power Subsystem PWM controller.
383
384	  To compile this driver as a module, choose M here: the module
385	  will be called pwm-lpss-platform.
386
387config PWM_MESON
388	tristate "Amlogic Meson PWM driver"
389	depends on ARCH_MESON || COMPILE_TEST
390	depends on COMMON_CLK && HAS_IOMEM
391	help
392	  The platform driver for Amlogic Meson PWM controller.
393
394	  To compile this driver as a module, choose M here: the module
395	  will be called pwm-meson.
396
397config PWM_MTK_DISP
398	tristate "MediaTek display PWM driver"
399	depends on ARCH_MEDIATEK || COMPILE_TEST
400	depends on HAS_IOMEM
401	help
402	  Generic PWM framework driver for MediaTek disp-pwm device.
403	  The PWM is used to control the backlight brightness for display.
404
405	  To compile this driver as a module, choose M here: the module
406	  will be called pwm-mtk-disp.
407
408config PWM_MEDIATEK
409	tristate "MediaTek PWM support"
410	depends on ARCH_MEDIATEK || RALINK || COMPILE_TEST
411	depends on HAS_IOMEM
412	help
413	  Generic PWM framework driver for Mediatek ARM SoC.
414
415	  To compile this driver as a module, choose M here: the module
416	  will be called pwm-mediatek.
417
418config PWM_MICROCHIP_CORE
419	tristate "Microchip corePWM PWM support"
420	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
421	depends on HAS_IOMEM && OF
422	help
423	  PWM driver for Microchip FPGA soft IP core.
424
425	  To compile this driver as a module, choose M here: the module
426	  will be called pwm-microchip-core.
427
428config PWM_MXS
429	tristate "Freescale MXS PWM support"
430	depends on ARCH_MXS || COMPILE_TEST
431	depends on HAS_IOMEM && OF
432	select STMP_DEVICE
433	help
434	  Generic PWM framework driver for Freescale MXS.
435
436	  To compile this driver as a module, choose M here: the module
437	  will be called pwm-mxs.
438
439config PWM_NTXEC
440	tristate "Netronix embedded controller PWM support"
441	depends on MFD_NTXEC
442	help
443	  Say yes here if you want to support the PWM output of the embedded
444	  controller found in certain e-book readers designed by the original
445	  design manufacturer Netronix.
446
447config PWM_OMAP_DMTIMER
448	tristate "OMAP Dual-Mode Timer PWM support"
449	depends on OF
450	depends on OMAP_DM_TIMER || COMPILE_TEST
451	help
452	  Generic PWM framework driver for OMAP Dual-Mode Timer PWM output
453
454	  To compile this driver as a module, choose M here: the module
455	  will be called pwm-omap-dmtimer
456
457config PWM_PCA9685
458	tristate "NXP PCA9685 PWM driver"
459	depends on I2C
460	select REGMAP_I2C
461	help
462	  Generic PWM framework driver for NXP PCA9685 LED controller.
463
464	  To compile this driver as a module, choose M here: the module
465	  will be called pwm-pca9685.
466
 
 
 
 
 
 
 
 
 
467config PWM_PXA
468	tristate "PXA PWM support"
469	depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST
470	depends on HAS_IOMEM
471	help
472	  Generic PWM framework driver for PXA.
473
474	  To compile this driver as a module, choose M here: the module
475	  will be called pwm-pxa.
476
477config PWM_RASPBERRYPI_POE
478	tristate "Raspberry Pi Firwmware PoE Hat PWM support"
479	# Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only
480	# happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE.
481	depends on RASPBERRYPI_FIRMWARE || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
482	help
483	  Enable Raspberry Pi firmware controller PWM bus used to control the
484	  official RPI PoE hat
485
486config PWM_RCAR
487	tristate "Renesas R-Car PWM support"
488	depends on ARCH_RENESAS || COMPILE_TEST
489	depends on HAS_IOMEM
490	help
491	  This driver exposes the PWM Timer controller found in Renesas
492	  R-Car chips through the PWM API.
493
494	  To compile this driver as a module, choose M here: the module
495	  will be called pwm-rcar.
496
497config PWM_RENESAS_TPU
498	tristate "Renesas TPU PWM support"
499	depends on ARCH_RENESAS || COMPILE_TEST
500	depends on HAS_IOMEM
501	help
502	  This driver exposes the Timer Pulse Unit (TPU) PWM controller found
503	  in Renesas chips through the PWM API.
504
505	  To compile this driver as a module, choose M here: the module
506	  will be called pwm-renesas-tpu.
507
508config PWM_ROCKCHIP
509	tristate "Rockchip PWM support"
510	depends on ARCH_ROCKCHIP || COMPILE_TEST
511	depends on HAS_IOMEM
512	help
513	  Generic PWM framework driver for the PWM controller found on
514	  Rockchip SoCs.
515
516config PWM_RZ_MTU3
517	tristate "Renesas RZ/G2L MTU3a PWM Timer support"
518	depends on RZ_MTU3
519	depends on HAS_IOMEM
520	help
521	  This driver exposes the MTU3a PWM Timer controller found in Renesas
522	  RZ/G2L like chips through the PWM API.
523
524	  To compile this driver as a module, choose M here: the module
525	  will be called pwm-rz-mtu3.
526
527config PWM_SAMSUNG
528	tristate "Samsung PWM support"
529	depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
530	depends on HAS_IOMEM
531	help
532	  Generic PWM framework driver for Samsung S3C24xx, S3C64xx, S5Pv210
533	  and Exynos SoCs.
534	  Choose Y here only if you build for such Samsung SoC.
535
536	  To compile this driver as a module, choose M here: the module
537	  will be called pwm-samsung.
538
539config PWM_SIFIVE
540	tristate "SiFive PWM support"
541	depends on OF
542	depends on COMMON_CLK && HAS_IOMEM
543	depends on RISCV || COMPILE_TEST
544	help
545	  Generic PWM framework driver for SiFive SoCs.
546
547	  To compile this driver as a module, choose M here: the module
548	  will be called pwm-sifive.
549
550config PWM_SL28CPLD
551	tristate "Kontron sl28cpld PWM support"
552	depends on MFD_SL28CPLD || COMPILE_TEST
553	help
554	  Generic PWM framework driver for board management controller
555	  found on the Kontron sl28 CPLD.
556
557	  To compile this driver as a module, choose M here: the module
558	  will be called pwm-sl28cpld.
559
560config PWM_SPEAR
561	tristate "STMicroelectronics SPEAr PWM support"
562	depends on PLAT_SPEAR || COMPILE_TEST
563	depends on HAS_IOMEM && OF
564	help
565	  Generic PWM framework driver for the PWM controller on ST
566	  SPEAr SoCs.
567
568	  To compile this driver as a module, choose M here: the module
569	  will be called pwm-spear.
570
571config PWM_SPRD
572	tristate "Spreadtrum PWM support"
573	depends on ARCH_SPRD || COMPILE_TEST
574	depends on HAS_IOMEM
575	help
576	  Generic PWM framework driver for the PWM controller on
577	  Spreadtrum SoCs.
578
579	  To compile this driver as a module, choose M here: the module
580	  will be called pwm-sprd.
581
582config PWM_STI
583	tristate "STiH4xx PWM support"
584	depends on ARCH_STI || COMPILE_TEST
585	depends on HAS_IOMEM && OF
586	help
587	  Generic PWM framework driver for STiH4xx SoCs.
588
589	  To compile this driver as a module, choose M here: the module
590	  will be called pwm-sti.
591
592config PWM_STM32
593	tristate "STMicroelectronics STM32 PWM"
594	depends on MFD_STM32_TIMERS || COMPILE_TEST
595	help
596	  Generic PWM framework driver for STM32 SoCs.
597
598	  To compile this driver as a module, choose M here: the module
599	  will be called pwm-stm32.
600
601config PWM_STM32_LP
602	tristate "STMicroelectronics STM32 PWM LP"
603	depends on MFD_STM32_LPTIMER || COMPILE_TEST
604	help
605	  Generic PWM framework driver for STMicroelectronics STM32 SoCs
606	  with Low-Power Timer (LPTIM).
607
608	  To compile this driver as a module, choose M here: the module
609	  will be called pwm-stm32-lp.
610
611config PWM_STMPE
612	bool "STMPE expander PWM export"
613	depends on MFD_STMPE
614	help
615	  This enables support for the PWMs found in the STMPE I/O
616	  expanders.
617
618config PWM_SUN4I
619	tristate "Allwinner PWM support"
620	depends on ARCH_SUNXI || COMPILE_TEST
621	depends on HAS_IOMEM && COMMON_CLK
622	help
623	  Generic PWM framework driver for Allwinner SoCs.
624
625	  To compile this driver as a module, choose M here: the module
626	  will be called pwm-sun4i.
627
628config PWM_SUNPLUS
629	tristate "Sunplus PWM support"
630	depends on ARCH_SUNPLUS || COMPILE_TEST
631	depends on HAS_IOMEM && OF
632	help
633	  Generic PWM framework driver for the PWM controller on
634	  Sunplus SoCs.
635
636	  To compile this driver as a module, choose M here: the module
637	  will be called pwm-sunplus.
638
639config PWM_TEGRA
640	tristate "NVIDIA Tegra PWM support"
641	depends on ARCH_TEGRA || COMPILE_TEST
642	depends on HAS_IOMEM
643	help
644	  Generic PWM framework driver for the PWFM controller found on NVIDIA
645	  Tegra SoCs.
646
647	  To compile this driver as a module, choose M here: the module
648	  will be called pwm-tegra.
649
650config PWM_TIECAP
651	tristate "ECAP PWM support"
652	depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
653	depends on HAS_IOMEM
654	help
655	  PWM driver support for the ECAP APWM controller found on TI SOCs
 
656
657	  To compile this driver as a module, choose M here: the module
658	  will be called pwm-tiecap.
659
660config PWM_TIEHRPWM
661	tristate "EHRPWM PWM support"
662	depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX || ARCH_K3 || COMPILE_TEST
663	depends on HAS_IOMEM
664	help
665	  PWM driver support for the EHRPWM controller found on TI SOCs
 
666
667	  To compile this driver as a module, choose M here: the module
668	  will be called pwm-tiehrpwm.
669
 
 
 
 
 
 
 
 
 
670config PWM_TWL
671	tristate "TWL4030/6030 PWM support"
672	depends on TWL4030_CORE
673	help
674	  Generic PWM framework driver for TWL4030/6030.
675
676	  To compile this driver as a module, choose M here: the module
677	  will be called pwm-twl.
678
679config PWM_TWL_LED
680	tristate "TWL4030/6030 PWM support for LED drivers"
681	depends on TWL4030_CORE
682	help
683	  Generic PWM framework driver for TWL4030/6030 LED terminals.
684
685	  To compile this driver as a module, choose M here: the module
686	  will be called pwm-twl-led.
687
688config PWM_VISCONTI
689	tristate "Toshiba Visconti PWM support"
690	depends on ARCH_VISCONTI || COMPILE_TEST
691	help
692	  PWM Subsystem driver support for Toshiba Visconti SoCs.
693
694	  To compile this driver as a module, choose M here: the module
695	  will be called pwm-visconti.
696
697config PWM_VT8500
698	tristate "vt8500 PWM support"
699	depends on ARCH_VT8500 || COMPILE_TEST
700	depends on HAS_IOMEM
701	help
702	  Generic PWM framework driver for vt8500.
703
704	  To compile this driver as a module, choose M here: the module
705	  will be called pwm-vt8500.
706
707config PWM_XILINX
708	tristate "Xilinx AXI Timer PWM support"
709	depends on OF_ADDRESS
710	depends on COMMON_CLK
711	select REGMAP_MMIO
712	help
713	  PWM driver for Xilinx LogiCORE IP AXI timers. This timer is
714	  typically a soft core which may be present in Xilinx FPGAs.
715	  This device may also be present in Microblaze soft processors.
716	  If you don't have this IP in your design, choose N.
717
718	  To compile this driver as a module, choose M here: the module
719	  will be called pwm-xilinx.
720
721endif