[coreboot-gerrit] Change in coreboot[master]: mb/google/octopus/variants/casta: Add support zinitix touchpad

[shkim (Code Review)]

Hello SH Kim,

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

https://review.coreboot.org/c/coreboot/+/48634

to review the following change.

Change subject: mb/google/octopus/variants/casta: Add support zinitix touchpad
......................................................................

mb/google/octopus/variants/casta: Add support zinitix touchpad

This change adds support zinitix touchpad for casta/bluebird.

BRANCH=firmware-octopus-11297.B
BUG=b:175618033
TEST=built and verified touchpad worked on casta

Change-Id: I1a8f562de19d1a8160d52c65400553f0c68393e0
Signed-off-by: Seunghwan Kim 
---
M src/mainboard/google/octopus/variants/casta/overridetree.cb
1 file changed, 10 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/34/48634/1

diff --git a/src/mainboard/google/octopus/variants/casta/overridetree.cb b/src/mainboard/google/octopus/variants/casta/overridetree.cb
index 3f2a884..be322f5 100644
--- a/src/mainboard/google/octopus/variants/casta/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/casta/overridetree.cb
@@ -137,6 +137,16 @@
    			register "probed" = "1"
    			device i2c 15 on end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ZNT0000""
+				register "generic.cid" = ""PNP0C50""
+				register "generic.desc" = ""Zinitix Touchpad""
+				register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPIO_135_IRQ)"
+				register "generic.wake" = "GPE0_DW3_27"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0xE"
+				device i2c 40 on end
+			end
    	end	# - I2C 6
    end