video: add lm3533 backlight driver
This is basic lm3533 driver only with bank A and backlight cell
support.
Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # LG P880 T30
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # LG P895 T30
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 9b7abd4..2be73d5 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -606,6 +606,15 @@
help
HLCDC supports video output to an attached LCD panel.
+config BACKLIGHT_LM3533
+ bool "Backlight Driver for LM3533"
+ depends on BACKLIGHT
+ select DM_I2C
+ help
+ Say Y to enable the backlight driver for National Semiconductor / TI
+ LM3533 Lighting Power chip. Only Bank A is supported as for now.
+ Supported backlight level range is from 2 to 255 with step of 1.
+
source "drivers/video/ti/Kconfig"
source "drivers/video/exynos/Kconfig"