[coreboot-gerrit] Change in ...coreboot[master]: mb/google/dragonegg: Enable trackpad

[Shelley Chen (Code Review)]

Hello Subrata Banik,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/29752

to review the following change.

Change subject: mb/google/dragonegg: Enable trackpad
......................................................................

mb/google/dragonegg: Enable trackpad

BUG=b:112282079
BRANCH=None
TEST=1. run evtest and make sure trackpad shows up in list
2. Able to wake system from S3 using trackpad

Change-Id: I86d6b7815147d558065611604363bb607119c154
Signed-off-by: Shelley Chen 
Signed-off-by: Subrata Banik 
---
M src/mainboard/google/dragonegg/variants/baseboard/devicetree.cb
M src/mainboard/google/dragonegg/variants/baseboard/gpio.c
2 files changed, 13 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/29752/1

diff --git a/src/mainboard/google/dragonegg/variants/baseboard/devicetree.cb b/src/mainboard/google/dragonegg/variants/baseboard/devicetree.cb
index da7ee5a..b494ac9 100644
--- a/src/mainboard/google/dragonegg/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/dragonegg/variants/baseboard/devicetree.cb
@@ -227,7 +227,15 @@
    	end
    	device pci 14.5 on  end # SDCard
    	device pci 15.0 on  end # I2C #0
-		device pci 15.1 on  end # I2C #1
+		device pci 15.1 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D1_IRQ)"
+				register "wake" = "GPE0_DW1_00"
+				device i2c 15 on end
+			end
+		end # I2C #1
    	device pci 15.2 on  end # I2C #2
    	device pci 15.3 on  end # I2C #3
    	device pci 16.0 on  end # Management Engine Interface 1
diff --git a/src/mainboard/google/dragonegg/variants/baseboard/gpio.c b/src/mainboard/google/dragonegg/variants/baseboard/gpio.c
index 6e0928f..acb3171 100644
--- a/src/mainboard/google/dragonegg/variants/baseboard/gpio.c
+++ b/src/mainboard/google/dragonegg/variants/baseboard/gpio.c
@@ -37,6 +37,10 @@
 /* HP_INT_L */			PAD_CFG_GPI(GPP_C15, NONE, PLTRST),
 /* PCH_DEV_INT_ODL */			PAD_CFG_GPI(GPP_C22, NONE, PLTRST),
 /* PCH_DEV_RESET_L */		PAD_CFG_GPO(GPP_C23, 0, PLTRST),
+/* TRACKPAD_WAKE */	PAD_CFG_GPI_SCI(GPP_D0, NONE, DEEP, EDGE_SINGLE,
+			INVERT),
+/* TRACKPAD_INT_ODL */	PAD_CFG_GPI_APIC(GPP_D1, NONE, DEEP, EDGE_SINGLE,
+						 INVERT),
 /* PCI_NVME_CLKREQ_ODL */		PAD_CFG_NF(GPP_D7, UP_20K, PWROK, NF1),
 /* H1_PCH_INT_ODL */	PAD_CFG_GPI_APIC(GPP_D16, UP_20K, PLTRST, LEVEL,
    	INVERT),