commit e547bfc0afbab20f98272fb44ea0e1d0e4ae3a39
author Crystal Lin <crystal_lin@compal.corp-partner.google.com> Wed Nov 21 15:58:20 2018 +0800
committer Patrick Georgi <pgeorgi@google.com> Tue Nov 27 08:54:42 2018 +0000
tree ed7b5b4f858c3303bbf0a932dcd571fc41ec8da7
parent a5d67174940f73ea4f8ef15822c83f079bdf864a

mb/google/poppy/variants/nami: Enable g2touch touchscreen device

This change adds ACPI properties for GTCH7503 device.

BUG=b:119169362
BRANCH=firmware-nami-10775.B
TEST=Verify touchscreen works with this change

Change-Id: I26e16b7e118121b3dd9a88c76d04898b97753df0
Signed-off-by: Crystal Lin <crystal_lin@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/29768
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/poppy/variants/nami/devicetree.cb

diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index 49e35b2..edf7ed6 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -346,6 +346,20 @@
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 20 on end
 			end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""GTCH7503""
+				register "generic.desc" = ""G2TOUCH Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				register "generic.probed" = "1"
+				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B3)"
+				register "generic.reset_delay_ms" = "50"
+				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B4)"
+				register "generic.enable_delay_ms" = "1"
+				register "generic.has_power_resource" = "1"
+				register "generic.disable_gpio_export_in_crs" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 40 on end
+			end
 		end # I2C #0
 		device pci 15.1 on
 			chip drivers/i2c/generic