[coreboot-gerrit] [M] Change in coreboot[master]: mb/google/myst: First pass GPIO configuration for Myst

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Raul Rangel, Jon Murphy, Tim Van Patten, Mark Hasemeyer.

Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74095 )

Change subject: mb/google/myst: First pass GPIO configuration for Myst
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Patch Set 7:

(2 comments)

File src/mainboard/google/myst/variants/baseboard/gpio.c:

https://review.coreboot.org/c/coreboot/+/74095/comment/ca80a908_1f3e2ec9 
PS7, Line 17: PAD_WAKE(GPIO_3, PULL_NONE, EDGE_LOW, S0i3),
As per the schematics, SOC_PEN_DETECT_ODL is in AGPIO7 and this is unused.

https://review.coreboot.org/c/coreboot/+/74095/comment/3bf4812f_5541eea1 
PS7, Line 22: EN_PWR_WWAN_X
> `EN_PP3300_WWAN_X`

Leave it LOW so that on SKUs without WWAN module, we are not leaking power. Let it be turned through USB power resources.