linux-kernel - [PATCH v2] arm: dts: bcm2711: Describe Ethernet LEDs

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Date: Mon, 22 Apr 2024 16:07:31 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: linux-arm-kernel@...r.kernel.org
Cc: andrew@...n.ch,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Andre Przywara <andre.przywara@....com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Stefan Wahren <wahrenst@....net>,
	Uwe Kleine-König <uwe@...ine-koenig.org>,
	Tony Lindgren <tony@...mide.com>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2] arm: dts: bcm2711: Describe Ethernet LEDs

Describe the Ethernet LEDs for the Raspberry Pi 4 model B board as well
as the Raspberry Pi 4 CM board. The Raspberry Pi 400 board does not
include RJ45 connector LEDs so the 'leds' node is deleted accordingly.

Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
---
Changes in v2:

- added "function = LED_FUNCTION_LAN"

 .../arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts | 20 +++++++++++++++++
 .../arm/boot/dts/broadcom/bcm2711-rpi-400.dts |  1 +
 .../boot/dts/broadcom/bcm2711-rpi-cm4-io.dts  | 22 +++++++++++++++++++
 3 files changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
index cfc8cb5e10ba..7a0f495ff726 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
@@ -5,6 +5,7 @@
 #include "bcm283x-rpi-led-deprecated.dtsi"
 #include "bcm283x-rpi-usb-peripheral.dtsi"
 #include "bcm283x-rpi-wifi-bt.dtsi"
+#include <dt-bindings/leds/common.h>
 
 / {
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
@@ -204,6 +205,25 @@ &genet_mdio {
 	phy1: ethernet-phy@1 {
 		/* No PHY interrupt */
 		reg = <0x1>;
+
+		leds {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			leds@0 {
+				reg = <0>;
+				color = <LED_COLOR_ID_GREEN>;
+				function = LED_FUNCTION_LAN;
+				default-state = "keep";
+			};
+
+			leds@1 {
+				reg = <1>;
+				color = <LED_COLOR_ID_AMBER>;
+				function = LED_FUNCTION_LAN;
+				default-state = "keep";
+			};
+		};
 	};
 };
 
diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-400.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-400.dts
index 5a2869a18bd5..ca9be91b4f36 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-400.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-400.dts
@@ -30,6 +30,7 @@ &expgpio {
 
 &genet_mdio {
 	clock-frequency = <1950000>;
+	/delete-node/ leds;
 };
 
 &led_pwr {
diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
index 7c6a5bdf48aa..76cb20373095 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
+#include <dt-bindings/leds/common.h>
 #include "bcm2711-rpi-cm4.dtsi"
 #include "bcm283x-rpi-led-deprecated.dtsi"
 #include "bcm283x-rpi-usb-host.dtsi"
@@ -110,6 +111,27 @@ rtc@51 {
 	};
 };
 
+&phy1 {
+	leds {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		leds@1 {
+			reg = <1>;
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_LAN;
+			default-state = "keep";
+		};
+
+		leds@2 {
+			reg = <2>;
+			color = <LED_COLOR_ID_AMBER>;
+			function = LED_FUNCTION_LAN;
+			default-state = "keep";
+		};
+	};
+};
+
 &led_act {
 	gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 };
-- 
2.34.1