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authorChris Wang <chriswang@ami.corp-partner.google.com>2017-11-28 16:33:27 +0800
committerFurquan Shaikh <furquan@google.com>2017-11-30 16:19:08 +0000
commit94dc50e81092cc788a861ee17905b58e4dd17242 (patch)
tree9c79848b4a7b7013231e0d1b46f7245e53734508 /src/mainboard/google/poppy/variants
parent45a21381d62d10a9b5eeb8a7ecc91b0326672479 (diff)
mb/google/nautilus: add synaptics touch screen support
Add synaptics touchscreen in the device tree so that the correct ACPI device is created. BUG=b:66462881 BRANCH=master TEST=compiled/verify the touchscreen works Change-Id: I6e89a5db0e9f8ae777eed661f3bf89d653a937e6 Signed-off-by: Chris Wang <chriswang@ami.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/22613 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google/poppy/variants')
-rw-r--r--src/mainboard/google/poppy/variants/nautilus/devicetree.cb15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
index ab0435402e..5b60561f09 100644
--- a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
@@ -283,7 +283,20 @@ chip soc/intel/skylake
device pci 14.0 on end # USB xHCI
device pci 14.1 off 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" = ""SYTS7813""
+ register "generic.desc" = ""Synaptics Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
+ register "generic.enable_delay_ms" = "45"
+ register "generic.has_power_resource" = "1"
+ register "generic.disable_gpio_export_in_crs" = "1"
+ register "hid_desc_reg_offset" = "0x20"
+ device i2c 20 on end
+ end
+ end # I2C #0
device pci 15.1 on
chip drivers/i2c/tpm
register "hid" = ""GOOG0005""