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

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Date:   Tue, 22 Aug 2023 21:44:17 +0200
From:   Stefan Wahren <wahrenst@....net>
To:     Florian Fainelli <florian.fainelli@...adcom.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     andrew@...n.ch, Rob Herring <robh+dt@...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>,
        Enric Balletbo i Serra <eballetbo@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm: dts: bcm2711: Describe Ethernet LEDs

Hi Florian,

Am 21.08.23 um 21:27 schrieb Florian Fainelli:
> Describe the Ethernet LEDs for the Raspberry Pi 4 model B board as well
> as the Raspberry Pi 4 CM board.
>
> Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
> ---
>   arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts | 18 ++++++++++++++++++
>   .../arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi | 18 ++++++++++++++++++
>   2 files changed, 36 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 d5f8823230db..41db78cb0836 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";
> @@ -197,6 +198,23 @@ &genet_mdio {
>   	phy1: ethernet-phy@1 {
>   		/* No PHY interrupt */
>   		reg = <0x1>;
> +
> +		leds {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			leds@0 {
> +				color = <LED_COLOR_ID_GREEN>;
> +				default-state = "keep";
> +				reg = <0>;
> +			};
> +
> +			leds@1 {
> +				color = <LED_COLOR_ID_AMBER>;
> +				default-state = "keep";
> +				reg = <1>;
> +			};
> +		};

the Raspberry Pi 400 Ethernet Jack doesn't have LEDs, but the
bcm2711-rpi-400.dts does include bcm2711-rpi-4.dtb. So this complete new
node must be deleted there.

Best regards

>   	};
>   };