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Add a function that initializes GPIOs based on the sleep type that
the system is coming back from. This allows initialization of the
fingerprint GPIOs which need to be handled differently between wake
from S3 and boot from S5.
On initial boot, the state of the FP sensor could be either
enabled or disabled. Because of this, on boot, we power off
the sensor for >200ms, to reset its state, then power it back on.
In suspend/resume, the fingerprint sensor should remain powered
the entire time.
If fingerprint is disabled on the trembyle-based board, set the pins
to no-connect. Dalboz doesn't have fingerprint and the GPIOS are
configured differently due to the FT5 chip having fewer GPIOS than
FP5, so nothing needs to be initialized there.
There were also a couple of trivial comment clean ups regarding the
FPMCU GPIOS.
BUG=b:171837716
TEST=Boot & Check GPIO states.
BRANCH=Zork
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I16a2e621145782e0a908bb3e49478586c09a0e0a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47308
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Since google_chromeec_cbi_get_board_version and google_chromeec_cbi_get_fw_config both call cbi_get_unit32 and return 0 as success, non-zero as failure. Let's add more readability for the false condition.
BUG=None
TEST=check with empty CBI value
Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Ia49ac1ee35302f8f6afe8c0eb8e13afdf36c5b2b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46566
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add board version switch GPIO table on gpio.c.
BUG=b:165887084
BRANCH=Zork
TEST=emerge-zork coreboot
Signed-off-by: Kane Chen <kane_chen@pegatron.corp-partner.google.com>
Change-Id: I661e16f7b4769e83450f41ff267c0d253441c4cd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44655
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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GPIO_89 was marked as EN_DEV_BEEP_L in pre-v3.6 schematics, but it was
never really used on any of the zork variants. Starting with v3.6,
GPIO_89 is left unused in schematics.
This change configures GPIO_89 as PAD_NC in baseboard GPIO
table. Since EN_DEV_BEEP_L still needs to be driven high to allow
speakers to work, GPIO_89 is configured as PAD_GPO driven high on
pre-v3.6 schematics.
BUG=b:62108046
Change-Id: I026cd6cb598667ce6e115c3ec9357a6a56051d39
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44190
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This change adds support for touchscreen power control using:
* GPIO_90 for trembyle based boards
* GPIO_32 for dalboz based boards
By default, baseboard tables configure these GPIOs as PAD_GPO driven
low and override trees expose these pads as enable_gpio to be used by
ACPI power resource.
In order to support pre-v3.6 boards, override tables configure these
pads as PAD_NC and drop the enable_gpio setting from device tree based
on board version.
BUG=b:161935640, b:162747210
Change-Id: Iba5e36b65b44ea11613b4d5fc8f13ce6433f83ab
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44193
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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v3.6 of reference schematics have switched the polarity of reset
signal to touchscreen controller from active high to active low. This
change updates the default configuration in baseboard gpio tables to
set the reset GPIO to output low and override tables in variants to set the
reset GPIO to output high. Additionally, devicetree by default exposes
ACTIVE_LOW configuration for reset GPIO. In order to support pre-v3.6
boards, reset GPIO is updated to ACTIVE_HIGH based on board version.
BUG=b:161937506
Change-Id: I092f274d8eb1920a1cd6d3eccbe8f26b0b28928a
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44192
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Update Woomax configuration including GPIO, memory SPD table, I2C devices
and USB type C.
BUG=b:158343602
BRANCH=None
TEST=emerge-zork coreboot
Signed-off-by: Kane Chen <kane_chen@pegatron.corp-partner.google.com>
Change-Id: I55ba995d9438551d45cb9e17f92b5089ccf4a5fd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43497
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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