Messages in this thread | | | Date | Mon, 22 Sep 2014 13:06:06 -0600 | From | Stephen Warren <> | Subject | Re: [PATCH v1] ARM: tegra: Fix sd4 regulator in Jetson TK1 device tree |
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On 09/22/2014 11:57 AM, Vidya Sagar wrote: > sd4 is an always on regulator which is turned on at boot time. > It is externally controller through gpio. This change > reflects the same in Jetson TK1 device tree
In the schematics, the "Power Sequencing" timing diagram says "S/W controlled" for SD4/+1.05V_RUN. I also don't see an "ENABLE1" pin on the AS3722, which would be required for ...
> + ams,ext-control = <1>;
... to be valid.
What's the source of information behind this change?
What symptoms does this patch correct?
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