AM572x-IDK rev 1.3A has tricolor RGB LEDs that can be controlled using
GPIO. Expose these to userspace for usage as necessary.
Signed-off-by: Andrew F. Davis <afd@xxxxxx>
---
arch/arm/boot/dts/am572x-idk-common.dtsi | 76 ++++++++++++++++++++++++
1 file changed, 76 insertions(+)
diff --git a/arch/arm/boot/dts/am572x-idk-common.dtsi b/arch/arm/boot/dts/am572x-idk-common.dtsi
index 784639ddf451..a064f13b3880 100644
--- a/arch/arm/boot/dts/am572x-idk-common.dtsi
+++ b/arch/arm/boot/dts/am572x-idk-common.dtsi
@@ -55,6 +55,82 @@
linux,default-trigger = "mmc0";
};
};
+
+ idk-leds {
+ status = "disabled";
+ compatible = "gpio-leds";
+ red0-led {
+ label = "idk:red0";
+ gpios = <&gpio6 19 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ green0-led {
+ label = "idk:green0";
+ gpios = <&gpio3 9 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ blue0-led {
+ label = "idk:blue0";
+ gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ red1-led {
+ label = "idk:red1";
+ gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ green1-led {
+ label = "idk:green1";
+ gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ blue1-led {
+ label = "idk:blue1";
+ gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ red2-led {
+ label = "idk:red2";
+ gpios = <&gpio7 9 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ green2-led {
+ label = "idk:green2";
+ gpios = <&gpio7 8 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ blue2-led {
+ label = "idk:blue2";
+ gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ red3-led {
+ label = "idk:red3";
+ gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ green3-led {
+ label = "idk:green3";
+ gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ blue3-led {
+ label = "idk:blue3";
+ gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+ };
};
&extcon_usb2 {
--
2.18.0
