[PATCH] arm: dts: bcm2711: Describe Ethernet LEDs

Stefan Wahren wahrenst at gmx.net
Tue Aug 22 09:44:52 PDT 2023


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 at broadcom.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 at 1 {
>   		/* No PHY interrupt */
>   		reg = <0x1>;
> +
> +		leds {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			leds at 0 {
> +				color = <LED_COLOR_ID_GREEN>;
> +				default-state = "keep";
> +				reg = <0>;
> +			};
> +
> +			leds at 1 {
> +				color = <LED_COLOR_ID_AMBER>;
> +				default-state = "keep";
> +				reg = <1>;
> +			};
> +		};
>   	};
>   };
>
> diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi
> index 48e63ab7848c..3860a134d31a 100644
> --- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi
> +++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi
> @@ -3,6 +3,7 @@
>   #include "bcm2711.dtsi"
>   #include "bcm2711-rpi.dtsi"
>   #include "bcm283x-rpi-wifi-bt.dtsi"
> +#include <dt-bindings/leds/common.h>
>
>   / {
>   	compatible = "raspberrypi,4-compute-module", "brcm,bcm2711";
> @@ -91,6 +92,23 @@ &genet_mdio {
>   	phy1: ethernet-phy at 0 {
>   		/* No PHY interrupt */
>   		reg = <0x0>;
> +
> +		leds {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			leds at 1 {
> +				color = <LED_COLOR_ID_GREEN>;
> +				default-state = "keep";
> +				reg = <1>;
> +			};
> +
> +			leds at 2 {
> +				color = <LED_COLOR_ID_AMBER>;
> +				default-state = "keep";
> +				reg = <2>;
> +			};
> +		};

looking at my hardware setup, i see that the Ethernet PHY is located on
the compute module, but the Ethernet jack including the LEDs is located
on the IO board.

Maybe we should add the LEDs to the IO board dts?

Best regards

>   	};
>   };
>



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