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SubjectRe: [PATCH 2/2] ARM: bcm2835: dt: Add the ethernet to the device tree
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On Wed, 2016-02-03 at 16:02 +0100, Lubomir Rintel wrote:
> The hub and the ethernet in its port 1 are hardwired on the board.
>
> Compared to the adapters that can be plugged into the USB ports, this
> one has no serial EEPROM to store its MAC. Nevertheless, the
> Raspberry Pi
> has the MAC address for this adapter in its ROM, accessible from its
> firmware.
>
> U-Boot can read out the address and set the local-mac-address
> property of the
> node with "ethernet" alias. Let's add the node so that U-Boot can do
> its
> business.
>
> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
> ---
>  arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 18 ++++++++++++++++++
>  arch/arm/boot/dts/bcm283x.dtsi           |  4 +++-
>  2 files changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> index ef54050..32bbd2a 100644
> --- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> +++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> @@ -6,6 +6,10 @@
>   compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
>   model = "Raspberry Pi Model B+";
>  
> + aliases {
> + ethernet = &ethernet;
> + }

I'm missing a semicolon here. I'll follow up with an updated version
once I get some feedback.

> +
>   leds {
>   act {
>   gpios = <&gpio 47 0>;
> @@ -29,3 +33,17 @@
>   brcm,function = <BCM2835_FSEL_ALT0>;
>   };
>  };
> +
> +&usb {
> + usb1@01 {
> + compatible = "usb1d6b,0002";
> + reg = <01>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethernet: usbether@01 {
> + compatible = "usb0424,9514";
> + reg = <01>;
> + };
> + };
> +};
> diff --git a/arch/arm/boot/dts/bcm283x.dtsi
> b/arch/arm/boot/dts/bcm283x.dtsi
> index 971e741..bc5fde1 100644
> --- a/arch/arm/boot/dts/bcm283x.dtsi
> +++ b/arch/arm/boot/dts/bcm283x.dtsi
> @@ -187,10 +187,12 @@
>   status = "disabled";
>   };
>  
> - usb@7e980000 {
> + usb: usb@7e980000 {
>   compatible = "brcm,bcm2835-usb";
>   reg = <0x7e980000 0x10000>;
>   interrupts = <1 9>;
> + #address-cells = <1>;
> + #size-cells = <0>;
>   };
>   };
>  

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