[coreboot-gerrit] Change in coreboot[master]: mb/google/hatch/dratini: Describe the privacy_gpio

[Ricardo Ribalda (Code Review)]

Ricardo Ribalda has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/47362 )

Change subject: mb/google/hatch/dratini: Describe the privacy_gpio
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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 
---
M src/mainboard/google/hatch/variants/dratini/gpio.c
M src/mainboard/google/hatch/variants/dratini/overridetree.cb
2 files changed, 15 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/62/47362/1

diff --git a/src/mainboard/google/hatch/variants/dratini/gpio.c b/src/mainboard/google/hatch/variants/dratini/gpio.c
index ccb5c05..f50f8f2 100644
--- a/src/mainboard/google/hatch/variants/dratini/gpio.c
+++ b/src/mainboard/google/hatch/variants/dratini/gpio.c
@@ -16,6 +16,8 @@
    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 */
diff --git a/src/mainboard/google/hatch/variants/dratini/overridetree.cb b/src/mainboard/google/hatch/variants/dratini/overridetree.cb
index c5e2aeb..98beaaa 100644
--- a/src/mainboard/google/hatch/variants/dratini/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/dratini/overridetree.cb
@@ -69,6 +69,19 @@
    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""