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-rw-r--r--src/mainboard/google/poppy/variants/atlas/devicetree.cb12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mainboard/google/poppy/variants/atlas/devicetree.cb b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
index 1dc981e633..34bc4d45b7 100644
--- a/src/mainboard/google/poppy/variants/atlas/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
@@ -258,7 +258,17 @@ 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 - Touchscreen
+ device pci 15.0 on
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ACPI0C50""
+ register "generic.desc" = ""STM Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
+ register "generic.speed" = "I2C_SPEED_FAST"
+ register "generic.probed" = "1"
+ register "hid_desc_reg_offset" = "0xab"
+ device i2c 0x49 on end
+ end
+ end # I2C #0 - Touchscreen
device pci 15.1 off end # I2C #1
device pci 15.2 on
chip drivers/i2c/hid