[PATCH v2 9/9] ARM: dts: add usb udc support to bcm281xx

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Fri Nov 1 16:56:33 EDT 2013


Hello.

On 11/01/2013 10:45 PM, Matt Porter wrote:

> Adds USB OTG/PHY and clock support to BCM281xx and enables
> UDC support on the bcm11351-brt and bcm28155-ap boards.

> Signed-off-by: Matt Porter <matt.porter at linaro.org>
> Reviewed-by: Markus Mayer <markus.mayer at linaro.org>
> Reviewed-by: Tim Kryger <tim.kryger at linaro.org>
> ---
>   arch/arm/boot/dts/bcm11351-brt.dts |  6 ++++++
>   arch/arm/boot/dts/bcm11351.dtsi    | 18 ++++++++++++++++++
>   arch/arm/boot/dts/bcm28155-ap.dts  |  8 ++++++++
>   3 files changed, 32 insertions(+)

[...]
> diff --git a/arch/arm/boot/dts/bcm11351.dtsi b/arch/arm/boot/dts/bcm11351.dtsi
> index 0755f43..247f9fd 100644
> --- a/arch/arm/boot/dts/bcm11351.dtsi
> +++ b/arch/arm/boot/dts/bcm11351.dtsi
> @@ -284,4 +284,22 @@
>   			#clock-cells = <0>;
>   		};
>   	};
> +
> +	usbotg: usbotg at 3f120000 {

    According to ePAPR spec [1], the node name should be "usb at 3f120000".


> +		compatible = "snps,dwc2";
> +		reg = <0x3f120000 0x10000>;
> +		interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&usb_otg_ahb_clk>;
> +		clock-names = "otg";
> +		phys = <&usbphy>;
> +		phy-names = "usb2-phy";
> +		status = "disabled";
> +	};
> +
> +	usbphy: usbphy at 3f130000 {

    This one should probably be named "usb-phy at 3f130000", just like 
"ethernet-phy" from the ePAPR spec.

> +		compatible = "brcm,kona-usb2-phy";
> +		reg = <0x3f130000 0x28>;
> +		#phy-cells = <0>;
> +		status = "disabled";
> +	};
>   };

[1] http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf

WBR, Sergei




More information about the linux-arm-kernel mailing list