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dm: backlight: Add a driver for a PWM backlight

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Many backlights need to use a PWM to control the brightness. Add a driver
for this. It understands the standard device tree binding.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-01-21 19:44:57 -07:00
parent 363bf77acc
commit 65fba5927c
2 changed files with 137 additions and 0 deletions
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3
drivers/video/Makefile
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@@ -10,6 +10,9 @@ obj-$(CONFIG_DISPLAY_PORT) += dp-uclass.o
obj-$(CONFIG_DM_VIDEO) += backlight-uclass.o
obj-$(CONFIG_DM_VIDEO) += video-uclass.o vidconsole-uclass.o console_normal.o
obj-$(CONFIG_DM_VIDEO) += video_bmp.o
ifdef CONFIG_DM_VIDEO
obj-$(CONFIG_DM_PWM) += pwm_backlight.o
endif
obj-$(CONFIG_VIDEO_ROTATION) += console_rotate.o
endif