From 10215889cd89d282d27a2c718f8ef601b1c683b4 Mon Sep 17 00:00:00 2001
From: Chen Xingyu <hi@xingrz.me>
Date: Fri, 29 Sep 2023 20:46:16 +0800
Subject: [PATCH] boards: arm64: rpi_4b: Add DTS node for LED_ACT

LED_ACT is the green LED at the top left corner of the 4B board

This also update doc of the board to add the newly added GPIO driver.

Signed-off-by: Chen Xingyu <hi@xingrz.me>
---
 boards/arm64/rpi_4b/doc/index.rst |  2 ++
 boards/arm64/rpi_4b/rpi_4b.dts    | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/boards/arm64/rpi_4b/doc/index.rst b/boards/arm64/rpi_4b/doc/index.rst
index 2083b7cdb1049c3..79a19e9adc6c8c6 100644
--- a/boards/arm64/rpi_4b/doc/index.rst
+++ b/boards/arm64/rpi_4b/doc/index.rst
@@ -21,6 +21,8 @@ hardware features:
 +===========+============+======================================+
 | GIC-400   | on-chip    | GICv2 interrupt controller           |
 +-----------+------------+--------------------------------------+
+| GPIO      | on-chip    | GPIO controller                      |
++-----------+------------+--------------------------------------+
 | UART      | on-chip    | Mini uart serial port                |
 +-----------+------------+--------------------------------------+
 
diff --git a/boards/arm64/rpi_4b/rpi_4b.dts b/boards/arm64/rpi_4b/rpi_4b.dts
index 371ca3c09e8a539..f567a36e51cae89 100644
--- a/boards/arm64/rpi_4b/rpi_4b.dts
+++ b/boards/arm64/rpi_4b/rpi_4b.dts
@@ -7,17 +7,36 @@
 /dts-v1/;
 
 #include <broadcom/bcm2711.dtsi>
+#include <zephyr/dt-bindings/gpio/gpio.h>
+
 / {
 	model = "Raspberry Pi 4 Model B";
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2838";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
+	aliases {
+		led0 = &led_act;
+	};
+
 	chosen {
 		zephyr,console = &uart1;
 		zephyr,shell-uart = &uart1;
 		zephyr,sram = &sram0;
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_act: led-act {
+			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; /* GPIO 42 */
+			label = "ACT";
+		};
+	};
+};
+
+&gpio1 {
+	status = "okay";
 };
 
 &uart1 {