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authorZanxi Chen <chenzanxi@huaqin.corp-partner.google.com>2021-03-08 19:50:07 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-03-16 11:17:40 +0000
commit75f3d7ddbc297131e6b3c8cae1a3a1ff7d544d00 (patch)
tree2ea427804415775ed9aa1e50efaf8a378c4f6d25 /src
parentbcc090d5e0513cf54e752dd202d2a2b49711f4c2 (diff)
downloadcoreboot-75f3d7ddbc297131e6b3c8cae1a3a1ff7d544d00.tar.xz
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 <chenzanxi@huaqin.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/51342 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/dedede/variants/blipper/overridetree.cb38
1 files changed, 38 insertions, 0 deletions
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