This device has a Texas Instruments LP5562 LED controller
which controls the LEDs which are used as notification lights.
It has three colors which can be combined, supports pulse mode
and other various features.
Signed-off-by: Markuss Broks <markuss.broks@xxxxxxxxx>
---
arch/arm/boot/dts/exynos5422-samsung-k3g.dts | 47 ++++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5422-samsung-k3g.dts b/arch/arm/boot/dts/exynos5422-samsung-k3g.dts
index b3576a745054..813dbf0438de 100644
--- a/arch/arm/boot/dts/exynos5422-samsung-k3g.dts
+++ b/arch/arm/boot/dts/exynos5422-samsung-k3g.dts
@@ -10,6 +10,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/leds/common.h>
#include "exynos5800.dtsi"
#include "exynos5422-cpus.dtsi"
@@ -131,6 +132,52 @@ touchkey@20 {
};
};
+ i2c-led {
+ compatible = "i2c-gpio";
+
+ sda-gpios = <&gpy3 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpy3 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ i2c-gpio,delay-us = <2>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ lp5562@30 {
+ compatible = "ti,lp5562";
+ reg = <0x30>;
+
+ clock-mode = /bits/ 8 <2>;
+ label = "notification-leds";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ led@0 {
+ reg = <0>;
+ chan-name = "notification-red";
+ color = <LED_COLOR_ID_RED>;
+ led-cur = /bits/ 8 <0x40>;
+ max-cur = /bits/ 8 <0x40>;
+ };
+
+ led@1 {
+ reg = <1>;
+ chan-name = "notification-green";
+ color = <LED_COLOR_ID_GREEN>;
+ led-cur = /bits/ 8 <0x40>;
+ max-cur = /bits/ 8 <0x40>;
+ };
+
+ led@2 {
+ reg = <2>;
+ chan-name = "notification-blue";
+ color = <LED_COLOR_ID_BLUE>;
+ led-cur = /bits/ 8 <0x40>;
+ max-cur = /bits/ 8 <0x40>;
+ };
+ };
+ };
+
tsp_vdd: regulator-tsp-vdd-en {
compatible = "regulator-fixed";
regulator-name = "tsp_vdd_en";
--
2.41.0
