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-rw-r--r--src/mainboard/google/brya/variants/riven/overridetree.cb17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/riven/overridetree.cb b/src/mainboard/google/brya/variants/riven/overridetree.cb
index 411277f8e6..22a1bfce1d 100644
--- a/src/mainboard/google/brya/variants/riven/overridetree.cb
+++ b/src/mainboard/google/brya/variants/riven/overridetree.cb
@@ -256,6 +256,23 @@ chip soc/intel/alderlake
device i2c 10 on end
end
chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN9004""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+ register "generic.detect" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+ register "generic.stop_delay_ms" = "280"
+ register "generic.stop_off_delay_ms" = "2"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+ register "generic.enable_delay_ms" = "1"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 16 on end
+ end
+ chip drivers/i2c/hid
register "generic.hid" = ""GTCH7503""
register "generic.desc" = ""G2 Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"