[PATCH] ARM: tegra: define Jetson TK1 regulators
swarren at wwwdotorg.org
Tue Apr 15 13:47:51 PDT 2014
On 04/14/2014 04:55 PM, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> These are mostly identical to the Venice2 regulator definitions, since
> the board designs are very similar. Differences are:
> - Jetson TK1 doesn't have a built-in LCD panel, so on-board regulators
> are not present for the backlight, touchscreen, or panel.
> - +3.3V_RUN needs to be boot-on/always-on, since it's widely used. This
> change should likely be propagated to Venice2 for completeness,
> although it will have no practical effect there since various other
> regulators use +3.3V_RUN as their supply and are always-on.
> - +3.3V_LP0 needs to be boot-on as well as always-on. One reason
> is because it's used to driver the UART level-shifter; without this, I
> see a brief period of UART corruption during cold boots.I suspect this
> change needs to be propagated to Venice2, and we simply haven't noticed
> the need since there's no UART level-shifter on Venice2.
> - A few rails have different names in the schematics.
I have applied this to Tegra's for-3.16/dt branch.
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