Change in coreboot[master]: mb/google/volteer/var/chronicler: add Elan touch support

[Sheng-Liang Pan (Code Review)]

Sheng-Liang Pan has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/60810 )

Change subject: mb/google/volteer/var/chronicler: add Elan touch support
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mb/google/volteer/var/chronicler: add Elan touch support

Enable Elan touchscreen support for chronicler.

BUG=none
TEST=emerge-volteer coreboot chromeos-bootimage

Signed-off-by: Sheng-Liang Pan 
Change-Id: Ic56092972eb9555b097b21ff5828573926610f31
---
M src/mainboard/google/volteer/variants/chronicler/overridetree.cb
1 file changed, 15 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/60810/1

diff --git a/src/mainboard/google/volteer/variants/chronicler/overridetree.cb b/src/mainboard/google/volteer/variants/chronicler/overridetree.cb
index 93ed52b..b69990c 100644
--- a/src/mainboard/google/volteer/variants/chronicler/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/chronicler/overridetree.cb
@@ -231,6 +231,21 @@
    			register "has_power_resource" = "1"
    			device i2c 34 on end
    		end
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0001""
+				register "desc" = ""ELAN Touchscreen""
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
+				register "probed" = "1"
+				register "reset_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)"
+				register "reset_delay_ms" = "100"
+				register "reset_off_delay_ms" = "5"
+				register "has_power_resource" = "1"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)"
+				register "enable_delay_ms" = "10"
+				register "enable_off_delay_ms" = "1"
+				device i2c 10 on end
+			end
    	end
    	device ref i2c5 on
    		chip drivers/i2c/generic