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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers/pwm/Makefile

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Makefile
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pwm: Add PWM framework support This patch adds framework support for PWM (pulse width modulation) devices. The is a barebone PWM API already in the kernel under include/linux/pwm.h, but it does not allow for multiple drivers as each of them implements the pwm_*() functions. There are other PWM framework patches around from Bill Gatliff. Unlike his framework this one does not change the existing API for PWMs so that this framework can act as a drop in replacement for the existing API. Why another framework? Several people argue that there should not be another framework for PWMs but they should be integrated into one of the existing frameworks like led or hwmon. Unlike these frameworks the PWM framework is agnostic to the purpose of the PWM. In fact, a PWM can drive a LED, but this makes the LED framework a user of a PWM, like already done in leds-pwm.c. The gpio framework also is not suitable for PWMs. Every gpio could be turned into a PWM using timer based toggling, but on the other hand not every PWM hardware device can be turned into a gpio due to the lack of hardware capabilities. This patch does not try to improve the PWM API yet, this could be done in subsequent patches. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Matthias Kaehlcke <matthias@kaehlcke.net> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> [thierry.reding@avionic-design.de: fixup typos, kerneldoc comments] Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2011-01-28 11:40:40 +03:00
obj-$(CONFIG_PWM) += core.o
pwm: Move Blackfin PWM driver to PWM framework This commit moves the Blackfin PWM driver to the drivers/pwm sub- directory and converts it to register with the new PWM framework. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-01-02 23:53:50 +04:00
obj-$(CONFIG_PWM_BFIN) += pwm-bfin.o
ARM i.MX: Move i.MX pwm driver to pwm framework Move the driver to drivers/pwm/ and convert it to use the framework. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> [eric@eukrea.com: set chip.dev to prevent probe failure] [eric@eukrea.com: fix pwmchip_add return code test] Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-03-15 13:04:35 +04:00
obj-$(CONFIG_PWM_IMX) += pwm-imx.o
pwm: add lpc32xx PWM support Add lpc32xx SOC PWM driver. Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-10 18:38:10 +04:00
obj-$(CONFIG_PWM_LPC32XX) += pwm-lpc32xx.o
pwm: add pwm-mxs support Add generic PWM framework driver (DT only) for Freescale MXS. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-04-04 06:50:52 +04:00
obj-$(CONFIG_PWM_MXS) += pwm-mxs.o
pwm: Move PXA PWM driver to PWM framework This commit moves the PXA PWM driver to the drivers/pwm subdirectory and converts it to use the new PWM framework. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-01-03 00:22:38 +04:00
obj-$(CONFIG_PWM_PXA) += pwm-pxa.o
ARM Samsung: Move s3c pwm driver to pwm framework Move the driver to drivers/pwm/ and convert it to use the framework. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> [eric@eukrea.com: fix pwmchip_add return code test] Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-03-15 13:04:36 +04:00
obj-$(CONFIG_PWM_SAMSUNG) += pwm-samsung.o
pwm: Add NVIDIA Tegra SoC support This commit adds a generic PWM framework driver for the PWFM controller found on NVIDIA Tegra SoCs. The driver is based on code from the Chromium kernel tree and was originally written by Gary King (NVIDIA) and later modified by Simon Que (Chromium). Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2011-12-21 10:47:07 +04:00
obj-$(CONFIG_PWM_TEGRA) += pwm-tegra.o
ARM vt8500: Move vt8500 pwm driver to pwm framework Move the driver to drivers/pwm/ and convert it to use the framework. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Alexey Charkov <alchark@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-03-15 13:04:37 +04:00
obj-$(CONFIG_PWM_VT8500) += pwm-vt8500.o