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-rw-r--r--src/mainboard/google/hatch/variants/kohaku/gpio.c4
-rw-r--r--src/mainboard/google/hatch/variants/kohaku/overridetree.cb15
2 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/kohaku/gpio.c b/src/mainboard/google/hatch/variants/kohaku/gpio.c
index d22de04648..bc9df38ab5 100644
--- a/src/mainboard/google/hatch/variants/kohaku/gpio.c
+++ b/src/mainboard/google/hatch/variants/kohaku/gpio.c
@@ -41,10 +41,14 @@ static const struct pad_config gpio_table[] = {
PAD_NC(GPP_C1, NONE),
/* C7 : PEN_IRQ_OD_L */
PAD_CFG_GPI_APIC(GPP_C7, NONE, PLTRST, LEVEL, INVERT),
+ /* C12 : EN_PP3300_TSP_DX */
+ PAD_CFG_GPO(GPP_C12, 0, DEEP),
/* C15 : EN_PP3300_DIG_DX */
PAD_CFG_GPO(GPP_C15, 0, DEEP),
/* C23 : UART2_CTS# ==> NC */
PAD_NC(GPP_C23, NONE),
+ /* D16 : TOUCHSCREEN_INT_L */
+ PAD_CFG_GPI_APIC(GPP_D16, NONE, PLTRST, LEVEL, INVERT),
/* E23 : GPP_E23 ==> NC */
PAD_NC(GPP_E23, NONE),
/* F1 : GPP_F1 ==> NC */
diff --git a/src/mainboard/google/hatch/variants/kohaku/overridetree.cb b/src/mainboard/google/hatch/variants/kohaku/overridetree.cb
index 8a1de845a7..57429ad0b8 100644
--- a/src/mainboard/google/hatch/variants/kohaku/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/kohaku/overridetree.cb
@@ -81,6 +81,21 @@ chip soc/intel/cannonlake
end
end # I2C 0
+ device pci 15.1 on
+ chip drivers/i2c/generic
+ register "hid" = ""ATML0001""
+ register "desc" = ""Atmel Touchscreen""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D16_IRQ)"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
+ register "reset_delay_ms" = "91" # 90.5 ms
+ register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C12)"
+ register "enable_delay_ms" = "1" # 90 ns
+ register "has_power_resource" = "1"
+ register "disable_gpio_export_in_crs" = "1"
+ device i2c 4b on end
+ end
+ end # I2C #1
+
device pci 15.2 on
chip drivers/i2c/hid
register "generic.hid" = ""WCOM50C1""