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authorZanxi Chen <chenzanxi@huaqin.corp-partner.google.com>2021-03-02 23:36:31 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-03-15 06:01:49 +0000
commit535d6d8cf116ac20fd11d5e26858d1a76c4b5e54 (patch)
tree06ee1ac5076743d73510401d022442b40e7f1d42
parent30931f5a4d67571ab8138777647d1d7f29ca3671 (diff)
mb/google/dedede/var/blipper: Enable touchpad support
Add touchpad into devicetree for blipper. BUG=b:172787208 BRANCH=dedede TEST=built blipper firmware and verified touchpad function the kernel log: found RMI device, manufacturer: Synaptics Change-Id: I2c9b61ba9d282f994e2f756bafe4af1091d4d617 Signed-off-by: Zanxi Chen <chenzanxi@huaqin.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/51188 Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/mainboard/google/dedede/variants/blipper/overridetree.cb20
1 files changed, 19 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/blipper/overridetree.cb b/src/mainboard/google/dedede/variants/blipper/overridetree.cb
index 404024b1d6..82f15c6bc3 100644
--- a/src/mainboard/google/dedede/variants/blipper/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/blipper/overridetree.cb
@@ -37,6 +37,24 @@ chip soc/intel/jasperlake
}"
device domain 0 on
- device pci 15.0 on end
+ device pci 15.0 on
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0000""
+ register "desc" = ""ELAN Touchpad""
+ register "irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_B3_IRQ)"
+ register "wake" = "GPE0_DW0_03"
+ register "probed" = "1"
+ device i2c 15 on end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""PNP0C50""
+ register "generic.desc" = ""Synaptics Touchpad""
+ register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_B3_IRQ)"
+ register "generic.wake" = "GPE0_DW0_03"
+ register "generic.probed" = "1"
+ register "hid_desc_reg_offset" = "0x20"
+ device i2c 0x2c on end
+ end
+ end # I2C 0
end
end