leds: Add ktd202x driver

This commit adds support for Kinetic KTD2026/7 RGB/White LED driver.

Signed-off-by: André Apitzsch <git@apitzsch.eu>
Link: https://lore.kernel.org/r/20231002-ktd202x-v6-2-26be8eefeb88@apitzsch.eu
Signed-off-by: Lee Jones <lee@kernel.org>

Author: André Apitzsch

drivers/leds/rgb/Kconfig

@@ -14,6 +14,19 @@ config LEDS_GROUP_MULTICOLOR
 	  To compile this driver as a module, choose M here: the module
 	  will be called leds-group-multicolor.
 
+config LEDS_KTD202X
+	tristate "LED support for KTD202x Chips"
+	depends on I2C
+	depends on OF
+	select REGMAP_I2C
+	help
+	  This option enables support for the Kinetic KTD2026/KTD2027
+	  RGB/White LED driver found in different BQ mobile phones.
+	  It is a 3 or 4 channel LED driver programmed via an I2C interface.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called leds-ktd202x.
+
 config LEDS_PWM_MULTICOLOR
 	tristate "PWM driven multi-color LED Support"
 	depends on PWM

drivers/leds/rgb/Makefile

@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_LEDS_GROUP_MULTICOLOR)	+= leds-group-multicolor.o
+obj-$(CONFIG_LEDS_KTD202X)		+= leds-ktd202x.o
 obj-$(CONFIG_LEDS_PWM_MULTICOLOR)	+= leds-pwm-multicolor.o
 obj-$(CONFIG_LEDS_QCOM_LPG)		+= leds-qcom-lpg.o
 obj-$(CONFIG_LEDS_MT6370_RGB)		+= leds-mt6370-rgb.o