leds: Add new LED driver for lm3642 chips

This driver is a general version for LM642 led chip of TI. LM3642 : The LM3642 is a 4MHz fixed-frequency synchronous boost converter plus 1.5A constant current driver for a high-current white LED. The LM3642 is controlled via an I2C-compatible interface. Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
git-mirror · Sep 13, 2012 · 8b7cfbe · 8b7cfbe
1 parent f162584
commit 8b7cfbe
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diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
@@ -63,6 +63,17 @@ config LEDS_LM3533
 	  hardware-accelerated blinking with maximum on and off periods of 9.8
 	  and 77 seconds respectively.
 
+config LEDS_LM3642
+	tristate "LED support for LM3642 Chip"
+	depends on LEDS_CLASS && I2C
+	select REGMAP_I2C
+	help
+	  This option enables support for LEDs connected to LM3642.
+	  The LM3642 is a 4MHz fixed-frequency synchronous boost
+	  converter plus 1.5A constant current driver for a high-current
+	  white LED.
+
+
 config LEDS_LOCOMO
 	tristate "LED Support for Locomo device"
 	depends on LEDS_CLASS

diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_LEDS_BD2802)		+= leds-bd2802.o
 obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o
 obj-$(CONFIG_LEDS_LM3530)		+= leds-lm3530.o
 obj-$(CONFIG_LEDS_LM3533)		+= leds-lm3533.o
+obj-$(CONFIG_LEDS_LM3642)		+= leds-lm3642.o
 obj-$(CONFIG_LEDS_MIKROTIK_RB532)	+= leds-rb532.o
 obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
 obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o