From 75f3d7ddbc297131e6b3c8cae1a3a1ff7d544d00 Mon Sep 17 00:00:00 2001 From: Zanxi Chen Date: Mon, 8 Mar 2021 19:50:07 +0800 Subject: [PATCH] mb/google/dedede/var/blipper: Enable touchscreen for blipper Add G2 and ELAN touchscreen into devicetree for blipper. BUG=b:181098785 BRANCH=dedede TEST=built blipper firmware and verified touchscreen function is ok Change-Id: Ie0bfc2972fc1a33a6f02495d3976b816209e956b Signed-off-by: Zanxi Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/51342 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- .../dedede/variants/blipper/overridetree.cb | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/src/mainboard/google/dedede/variants/blipper/overridetree.cb b/src/mainboard/google/dedede/variants/blipper/overridetree.cb index 82f15c6bc3..6b39ba8f42 100644 --- a/src/mainboard/google/dedede/variants/blipper/overridetree.cb +++ b/src/mainboard/google/dedede/variants/blipper/overridetree.cb @@ -56,5 +56,43 @@ chip soc/intel/jasperlake device i2c 0x2c on end end end # I2C 0 + device pci 15.2 on + chip drivers/i2c/hid + register "generic.hid" = ""GTCH7503"" + register "generic.desc" = ""G2 Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)" + register "generic.reset_delay_ms" = "120" + register "generic.reset_off_delay_ms" = "3" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "generic.enable_delay_ms" = "12" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 0x40 on end + end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN0001"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)" + register "generic.reset_delay_ms" = "20" + register "generic.reset_off_delay_ms" = "2" + register "generic.stop_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)" + register "generic.stop_delay_ms" = "280" + register "generic.stop_off_delay_ms" = "2" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "generic.enable_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 10 on end + end + end # I2C 2 end end