backlight: Add new lm3509 backlight driver

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This is a general driver for LM3509 backlight chip of TI.
LM3509 is High Efficiency Boost for White LEDs and/or OLED Displays with
Dual Current Sinks. This driver supports OLED/White LED select, brightness
control and sub/main control.
The datasheet can be found at http://www.ti.com/product/lm3509.

Signed-off-by: Patrick Gansterer <paroga@paroga.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240526105136.721529-3-paroga@paroga.com
Signed-off-by: Lee Jones <lee@kernel.org>

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Patrick Gansterer 2024-05-26 12:51:30 +02:00 • committed by Lee Jones

parent 0aaee23d49

commit b72755f5b5

3 changed files with 348 additions and 0 deletions

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7

drivers/video/backlight/Kconfig

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1

drivers/video/backlight/Makefile

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340

drivers/video/backlight/lm3509_bl.c

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