[PATCH] ARM: bcm2835: add USB controller to device tree

Stephen Warren swarren at wwwdotorg.org
Thu Dec 5 00:24:31 EST 2013


On 12/03/2013 09:32 PM, Stephen Warren wrote:
> The BCM2835 SoC contains a DWC2 USB controller. Add this to the DT.
> 
> Set up the pin controller to fully enable the USB controller on the
> Raspberry Pi. The GPIO setup works because the default output value for
> GPIO 6 (LAN_RUN/n_reset) just happens to be 1, which enables the
> USB/LAN chip.
> 
> Note that you'll need a U-Boot which enables power to the USB controller;
> search for U-Boot patch "ARM: rpi_b: power on SDHCI and USB HW modules".

I've applied this to bcm2835's for-3.14/dt branch.




More information about the linux-arm-kernel mailing list