[PATCH] ARM: bcm2835: add USB controller to device tree
Stephen Warren
swarren at wwwdotorg.org
Wed Dec 4 21:24:31 PST 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.
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