[U-Boot] [PATCH 2/4] rockchip: dts: rk3399-puma: release reset of on-module USB3 hub via vbus-gpio

sjg at google.com sjg at google.com
Mon Jun 5 21:31:28 UTC 2017


On 31 May 2017 at 10:17, Philipp Tomsich
<philipp.tomsich at theobroma-systems.com> wrote:
> On the RK3399-Q7, the on-module USB3 hub is held in reset at boot-up
> to save power and needs to be woken up using GPIO4A3.
>
> Note that this is not a negated reset-signal (due to a level shifter
> being needed for this signal anyway), but a negated enable-signal:
> to enable, we need to output LOW (i.e. 0)... so we mark this as an
> ACTIVE_LOW signal.
>
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>
>  arch/arm/dts/rk3399-puma.dts | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot-rockchip, thanks!


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