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1a722aad58
linux/drivers/pwm
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Claudiu Beznea 1a722aad58 pwm: atmel: Switch to atomic PWM 
The currently Atmel PWM controllers supported by this driver could
change period or duty factor without channel disable, for regular
channels (sama5d3 support this by using period or duty factor update
registers, sam9rl support this by writing channel update register and
select the corresponding update: period or duty factor). The chip
doesn't support run time changings of signal polarity. To take advantage
of atomic PWM framework and let controller works without glitches, in
this patch only the duty factor could be changed without disabling PWM
channel. For period and signal polarity the atomic PWM is simulated by
disabling + enabling the right PWM channel.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-04-06 17:45:02 +02:00
..
core.c pwm: Try to load modules during pwm_get() 2017-01-30 09:36:42 +01:00
Kconfig pwm: Changes for v4.11-rc1 2017-03-01 09:46:02 -08:00
Makefile pwm: Add driver for STM32 plaftorm 2017-01-25 16:11:55 +00:00
pwm-ab8500.c pwm: drop owner assignment from platform_drivers 2014-10-20 16:21:28 +02:00
pwm-atmel-hlcdc.c pwm: atmel-hlcdc: Implement the suspend/resume hooks 2017-04-06 17:45:02 +02:00
pwm-atmel-tcb.c misc: atmel_tclib: get and use slow clock 2015-10-06 12:33:14 +02:00
pwm-atmel.c pwm: atmel: Switch to atomic PWM 2017-04-06 17:45:02 +02:00
pwm-bcm2835.c pwm: bcm2835: Fix email address specification 2015-12-16 16:45:32 +01:00
pwm-bcm-iproc.c pwm: Add support for Broadcom iProc PWM controller 2016-07-11 12:49:25 +02:00
pwm-bcm-kona.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-berlin.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-bfin.c pwm: constify pwm_ops structures 2017-01-19 00:38:17 +01:00
pwm-brcmstb.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-clps711x.c pwm: clps711x: Changing the compatibility string to match with the smallest supported chip 2016-07-06 17:38:17 +02:00
pwm-crc.c pwm: Use pwm_get/set_xxx() helpers where appropriate 2016-05-17 14:44:59 +02:00
pwm-cros-ec.c pwm: cros-ec: Add __packed to prevent padding 2016-09-06 10:48:54 +02:00
pwm-ep93xx.c pwm: Add the pwm_is_enabled() helper 2015-07-20 09:46:06 +02:00
pwm-fsl-ftm.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-hibvt.c pwm: Add PWM driver for HiSilicon BVT SOCs 2016-11-29 16:50:12 +01:00
pwm-img.c pwm: img: Test clock rate to avoid division by 0 2016-03-23 17:11:02 +01:00
pwm-imx.c Merge branch 'for-4.11/drivers' into for-next 2017-02-10 15:15:56 +01:00
pwm-jz4740.c pwm: drop owner assignment from platform_drivers 2014-10-20 16:21:28 +02:00
pwm-lp3943.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-lpc18xx-sct.c pwm: lpc-18xx: use pwm_set_chip_data 2016-09-08 10:55:05 +02:00
pwm-lpc32xx.c pwm: lpc32xx: Set PWM_PIN_LEVEL bit to default value 2016-07-11 12:49:29 +02:00
pwm-lpss-pci.c pwm: lpss: Add Intel Gemini Lake PCI ID 2017-01-30 08:17:18 +01:00
pwm-lpss-platform.c pwm: lpss: Do not export board infos for different PWM types 2017-01-30 08:16:55 +01:00
pwm-lpss.c pwm: lpss: Do not export board infos for different PWM types 2017-01-30 08:16:55 +01:00
pwm-lpss.h pwm: lpss: Do not export board infos for different PWM types 2017-01-30 08:16:55 +01:00
pwm-meson.c pwm: Changes for v4.10-rc1 2016-12-15 11:45:13 -08:00
pwm-mtk-disp.c pwm: Add MediaTek MT2701 display PWM driver support 2016-09-06 10:48:53 +02:00
pwm-mxs.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-omap-dmtimer.c pwm: omap-dmtimer: Allow for setting dmtimer clock source 2016-06-29 21:54:00 -07:00
pwm-pca9685.c Merge branch 'for-4.11/drivers' into for-next 2017-02-10 15:15:56 +01:00
pwm-puv3.c pwm: drop owner assignment from platform_drivers 2014-10-20 16:21:28 +02:00
pwm-pxa.c pwm: constify pwm_ops structures 2017-01-19 00:38:17 +01:00
pwm-rcar.c pwm: rcar: Make use of pwm_is_enabled() 2016-05-17 14:44:57 +02:00
pwm-renesas-tpu.c pwm: Add the pwm_is_enabled() helper 2015-07-20 09:46:06 +02:00
pwm-rockchip.c pwm: rockchip: Add support for atomic update 2016-07-11 12:49:28 +02:00
pwm-samsung.c pwm: samsung: Fix to use lowest div for large enough modulation bits 2016-09-06 10:48:55 +02:00
pwm-spear.c pwm: drop owner assignment from platform_drivers 2014-10-20 16:21:28 +02:00
pwm-sti.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-stm32.c pwm: Add driver for STM32 plaftorm 2017-01-25 16:11:55 +00:00
pwm-stmpe.c pwm: Add a driver for the STMPE PWM 2016-07-11 12:49:29 +02:00
pwm-sun4i.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-tegra.c pwm: tegra: Add support for Tegra186 2016-07-11 12:49:34 +02:00
pwm-tiecap.c pwm: pwm-ti*: Remove support for local clock gating 2016-07-11 12:07:18 +02:00
pwm-tiehrpwm.c pwm: pwm-ti*: Remove support for local clock gating 2016-07-11 12:07:18 +02:00
pwm-tipwmss.c pwm: pwm-tipwmss: Remove all runtime PM gets/puts 2016-09-06 10:48:54 +02:00
pwm-twl-led.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-twl.c pwm: Remove .can_sleep from struct pwm_chip 2017-01-04 09:40:54 +01:00
pwm-vt8500.c pwm: constify pwm_ops structures 2017-01-19 00:38:17 +01:00
sysfs.c pwm: Fix device reference leak 2016-11-29 16:43:24 +01:00