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-rw-r--r--src/mainboard/google/poppy/variants/rammus/devicetree.cb15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
index b750cb8efd..f10b84d988 100644
--- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -257,7 +257,20 @@ chip soc/intel/skylake
device pci 14.0 on end # USB xHCI
device pci 14.1 on end # USB xDCI (OTG)
device pci 14.2 on end # Thermal Subsystem
- device pci 15.0 on end # I2C #0
+ device pci 15.0 on
+ chip drivers/i2c/hid
+ register "generic.hid" = ""PNP0C50""
+ register "generic.desc" = ""SISC Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
+ register "generic.enable_delay_ms" = "120"
+ register "generic.has_power_resource" = "1"
+ register "generic.disable_gpio_export_in_crs" = "1"
+ register "hid_desc_reg_offset" = "0x0"
+ device i2c 5c on end
+ end
+ end # I2C #0
device pci 15.1 on
chip drivers/i2c/generic
register "hid" = ""ELAN0000""