realtek: add additional LED for XS1930-12HP

The -12HP variant has a dedicated red LED on GPIO 3 that lights up
when the PoE budget is exhausted. Add it as led_poe_max with
function = "poe-usage" so userspace can drive it from the PoE stack.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/23428
Signed-off-by: Robert Marko <robimarko@gmail.com>

diff --git a/target/linux/realtek/dts/rtl9313_zyxel_xs1930-12hp.dts b/target/linux/realtek/dts/rtl9313_zyxel_xs1930-12hp.dts
index 86faa74d4c98c3a224830b6d57d21b19dd31557a..007ef377d95c1c6e652ecef94bdf2a2c5076e73d 100644 (file)
--- a/target/linux/realtek/dts/rtl9313_zyxel_xs1930-12hp.dts
+++ b/target/linux/realtek/dts/rtl9313_zyxel_xs1930-12hp.dts
@@ -12,6 +12,14 @@
 / {
        compatible = "zyxel,xs1930-12hp", "realtek,rtl9313-soc";
        model = "Zyxel XS1930-12HP";
+
+       leds {
+               led_poe_max: led-7 {
+                       color = <LED_COLOR_ID_RED>;
+                       function = "poe-usage";
+                       gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+               };
+       };
 };
 
 &led_set {