[U-Boot] [PATCH] ARM: tegra: rm Jetson TK1 PMIC GPIO programming

[Stephen Warren]

On 01/18/2016 12:16 PM, Tom Warren wrote:
> Stephen Warren wrotea tMonday, January 18, 2016 11:23 AM:
>> The PMIC is configured such that its GPIOs have the correct configuration at
>> power-up, so no programming is required.
>>
>> In fact, the current programming is actively wrong, since:
>>
>> (a) the AS3722 driver configures the GPIO to be an output before setting its
>> output value, which causes a 0v glitch on the output.
>>
>> (b) the AS3722 driver configures the GPIO to drive a high voltage from its
>> VSUP_GPIO power source rather than its VDD_GPIO_LV power source, so the
>> pin drives 5V not 1.8V as desired.
>>
>> Solve these problems by removing the code which configures the PMIC GPIOs.
>>
>> Note that this patch was tested directly on top of v2016.01; since then, commit
>> 96350f729c42 "dm: tegra: net: Convert tegra boards to driver model for
>> Ethernet" prevents PCIe from being initialized. Alternatively, simply revert that
>> commit to get PCIe Ethernet working again, then apply this patch to test.
>>
> Acked-by: Tom Warren <twarren at nvidia.com>
> I'll apply this to u-boot-tegra/next ASAP.

I don't see this patch there yet. It'd be good to get it pulled upstream 
ASAP since the merge window for v2016.03 closes this weekend.