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Message-Id: <1b70ab4f8fdfc90eea12d6570be347f990abc8a9.1265748264.git.bgat@billgatliff.com> Date: Tue, 9 Feb 2010 14:46:33 -0600 From: Bill Gatliff <bgat@...lgatliff.com> To: linux-embedded@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Bill Gatliff <bgat@...lgatliff.com> Subject: [PWM PATCH 6/7] Incorporate PWM API code into KBuild Signed-off-by: Bill Gatliff <bgat@...lgatliff.com> --- drivers/Kconfig | 2 ++ drivers/Makefile | 2 ++ drivers/leds/Kconfig | 33 +++++++++++++++++++++------------ drivers/leds/Makefile | 2 ++ drivers/pwm/Kconfig | 31 +++++++++++++++++++++++++++++++ drivers/pwm/Makefile | 6 ++++++ 6 files changed, 64 insertions(+), 12 deletions(-) create mode 100644 drivers/pwm/Kconfig create mode 100644 drivers/pwm/Makefile diff --git a/drivers/Kconfig b/drivers/Kconfig index 368ae6d..54d7b16 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -54,6 +54,8 @@ source "drivers/pps/Kconfig" source "drivers/gpio/Kconfig" +source "drivers/pwm/Kconfig" + source "drivers/w1/Kconfig" source "drivers/power/Kconfig" diff --git a/drivers/Makefile b/drivers/Makefile index 6ee53c7..e6143f3 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -6,6 +6,8 @@ # obj-y += gpio/ +obj-$(CONFIG_GENERIC_PWM) += pwm/ + obj-$(CONFIG_PCI) += pci/ obj-$(CONFIG_PARISC) += parisc/ obj-$(CONFIG_RAPIDIO) += rapidio/ diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 8a0e1ec..d9547d4 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -17,12 +17,11 @@ config LEDS_CLASS comment "LED drivers" -config LEDS_ATMEL_PWM - tristate "LED Support using Atmel PWM outputs" - depends on LEDS_CLASS && ATMEL_PWM - help - This option enables support for LEDs driven using outputs - of the dedicated PWM controller found on newer Atmel SOCs. +config LEDS_PWM + tristate "LED Support for PWM connected LEDs" + depends on LEDS_CLASS && GENERIC_PWM + help + Enables support for LEDs connected to PWM outputs. config LEDS_LOCOMO tristate "LED Support for Locomo device" @@ -223,12 +222,6 @@ config LEDS_DAC124S085 This option enables support for DAC124S085 SPI DAC from NatSemi, which can be used to control up to four LEDs. -config LEDS_PWM - tristate "PWM driven LED Support" - depends on LEDS_CLASS && HAVE_PWM - help - This option enables support for pwm driven LEDs - config LEDS_REGULATOR tristate "REGULATOR driven LED support" depends on LEDS_CLASS && REGULATOR @@ -305,6 +298,14 @@ config LEDS_TRIGGER_HEARTBEAT load average. If unsure, say Y. +config LEDS_TRIGGER_DIM + tristate "LED Dimmer Trigger" + depends on LEDS_TRIGGERS + help + Regulates the brightness of an LED based on the 1-minute CPU + load average. Ideal for PWM-driven LEDs. + If unsure, say Y. + config LEDS_TRIGGER_BACKLIGHT tristate "LED backlight Trigger" depends on LEDS_TRIGGERS @@ -327,6 +328,14 @@ config LEDS_TRIGGER_GPIO If unsure, say N. +config LEDS_TRIGGER_DIM + tristate "LED Dimmer Trigger" + depends on LEDS_TRIGGERS + help + Regulates the brightness of an LED based on the 1-minute CPU + load average. Ideal for PWM-driven LEDs. + If unsure, say Y. + config LEDS_TRIGGER_DEFAULT_ON tristate "LED Default ON Trigger" depends on LEDS_TRIGGERS diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 9e63869..9b4971e 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o obj-$(CONFIG_LEDS_SUNFIRE) += leds-sunfire.o obj-$(CONFIG_LEDS_PCA9532) += leds-pca9532.o obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o +obj-$(CONFIG_LEDS_PWM) += leds-pwm.o obj-$(CONFIG_LEDS_LP3944) += leds-lp3944.o obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o @@ -41,6 +42,7 @@ obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK) += ledtrig-ide-disk.o obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) += ledtrig-heartbeat.o +obj-$(CONFIG_LEDS_TRIGGER_DIM) += ledtrig-dim.o obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) += ledtrig-backlight.o obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig new file mode 100644 index 0000000..1c24e11 --- /dev/null +++ b/drivers/pwm/Kconfig @@ -0,0 +1,31 @@ +# +# PWM infrastructure and devices +# + +menuconfig GENERIC_PWM + tristate "PWM Support" + depends on SYSFS + help + This enables PWM support through the generic PWM library. + If unsure, say N. + +if GENERIC_PWM + +config ATMEL_PWM + tristate "Atmel AT32/AT91 PWM support" + depends on AVR32 || ARCH_AT91 + help + This option enables device driver support for the PWMC + peripheral channels found on certain Atmel processors. + Pulse Width Modulation is used many for purposes, including + software controlled power-efficient backlights on LCD + displays, motor control, and waveform generation. If + unsure, say N. + +config GPIO_PWM + tristate "PWM emulation using GPIO" + help + This option enables a single-channel PWM device using + a kernel interval timer and a GPIO pin. If unsure, say N. + +endif diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile new file mode 100644 index 0000000..e8cacc5 --- /dev/null +++ b/drivers/pwm/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for pwm devices +# +obj-y := pwm.o +obj-$(CONFIG_ATMEL_PWM) += atmel-pwm.o +obj-$(CONFIG_GPIO_PWM) += gpio.o -- 1.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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