[S] Change in coreboot[main]: mb/google/nissa/var/rull: Add G2 touchscreen to devicetree

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85656?usp=email )

Change subject: mb/google/nissa/var/rull: Add G2 touchscreen to devicetree
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mb/google/nissa/var/rull: Add G2 touchscreen to devicetree

Add G2 touchscreen override devicetree.

BUG=b:384871815
BRANCH=None
TEST=1. emerge-nissa coreboot chromeos-bootimage
     2. touchpanel function is normal and 'evtest' command displays the
        touch point

Change-Id: I0d68b8d09f2fd280dea17a0542243b88618b5fa1
Signed-off-by: Rui Zhou 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85656
Tested-by: build bot (Jenkins) 
Reviewed-by: Kapil Porwal 
Reviewed-by: Eric Lai 
Reviewed-by: Dtrain Hsu 
---
M src/mainboard/google/brya/variants/rull/overridetree.cb
1 file changed, 14 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Kapil Porwal: Looks good to me, approved
  Eric Lai: Looks good to me, approved
  Dtrain Hsu: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/rull/overridetree.cb b/src/mainboard/google/brya/variants/rull/overridetree.cb
index 633d5bc..d4b773a 100644
--- a/src/mainboard/google/brya/variants/rull/overridetree.cb
+++ b/src/mainboard/google/brya/variants/rull/overridetree.cb
@@ -354,6 +354,20 @@
    			register "hid_desc_reg_offset" = "0x01"
    			device i2c 10 on end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""GTCH7503""
+				register "generic.desc" = ""G2 Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+				register "generic.detect" = "1"
+				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+				register "generic.reset_delay_ms" = "10"
+				register "generic.reset_off_delay_ms" = "3"
+				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+				register "generic.enable_delay_ms" = "12"
+				register "generic.has_power_resource" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 40 on end
+			end
    	end
    	device ref i2c3 on
    		chip drivers/i2c/rt5645