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mb/google/hatch/dratini: Describe the privacy_gpio 

Add information regarding the privacy pin on the overridetree and gpio.

BUG=b:172807539

Change-Id: Ic1bfa63e35a16d71a26adc3ec07b1ba36e6dc168
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47362
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Ricardo Ribalda 2020-11-09 13:51:14 +01:00 committed by Patrick Georgi
parent a1cc557d61
commit f41645c34d
2 changed files with 15 additions and 0 deletions
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2
src/mainboard/google/hatch/variants/dratini/gpio.c
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@ -16,6 +16,8 @@ static const struct pad_config gpio_table[] = {
PAD_NC(GPP_A19, NONE),
/* C12 : FPMCU_PCH_BOOT1 */
PAD_CFG_GPO(GPP_C12, 0, DEEP),
/* D4 : Camera Privacy Status */
PAD_CFG_GPI_INT(GPP_D4, NONE, PLTRST, EDGE_BOTH),
/* F1 : NC */
PAD_NC(GPP_F1, NONE),
/* F3 : MEM_STRAP_3 */

13
src/mainboard/google/hatch/variants/dratini/overridetree.cb
View File

@ -69,6 +69,19 @@ chip soc/intel/cannonlake
register "ScsEmmcHs400Enabled" = "1"
device domain 0 on
device pci 14.0 on
chip drivers/usb/acpi
device usb 0.0 on
chip drivers/usb/acpi
# The Linux Kernel does not allow an inverted BOTH_EDGE irq
# So we need to use GpioIO() instead of GpioInt()
# https://www.kernel.org/doc/Documentation/acpi/gpio-properties.txt
register "privacy_gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_D4)"
device usb 2.6 on end
end
end
end
end # USB xHCI
device pci 15.0 on
chip drivers/i2c/generic
register "hid" = ""ELAN0000""