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mb/google/dedede/var/cret: Configure I2C ports and touchpad

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1. Support Elan touchpad.
2. Support JYT touchpad.
3. Follow schematic to disable I2C1 and I2C3.

BUG=b:183454249, b:180547781
BRANCH=dedede
TEST=Build the cret board.

Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: I8c150c3f65d0e057d5ba1b07ec1c20886f02ef6e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51726
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Dtrain Hsu 2021-03-23 10:48:10 +08:00 committed by Patrick Georgi
parent aacfa24457
commit d5dde22758
1 changed files with 33 additions and 10 deletions
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43
src/mainboard/google/dedede/variants/cret/overridetree.cb
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@ -9,6 +9,15 @@ chip soc/intel/jasperlake
register "usb3_ports[1]" = "USB3_PORT_EMPTY" # None
register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC_SKIP)" # LTE
register "SerialIoI2cMode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoPci,
[PchSerialIoIndexI2C1] = PchSerialIoDisabled,
[PchSerialIoIndexI2C2] = PchSerialIoPci,
[PchSerialIoIndexI2C3] = PchSerialIoDisabled,
[PchSerialIoIndexI2C4] = PchSerialIoPci,
[PchSerialIoIndexI2C5] = PchSerialIoDisabled,
}"
# Intel Common SoC Config
#+-------------------+---------------------------+
#| Field | Value |
@ -18,9 +27,9 @@ chip soc/intel/jasperlake
#| | for TPM communication |
#| | before memory is up |
#| I2C0 | Trackpad |
#| I2C1 | Digitizer |
#| I2C1 | |
#| I2C2 | Touchscreen |
#| I2C3 | Camera |
#| I2C3 | |
#| I2C4 | Audio |
#+-------------------+---------------------------+
register "common_soc_config" = "{
@ -31,15 +40,9 @@ chip soc/intel/jasperlake
.i2c[0] = {
.speed = I2C_SPEED_FAST,
},
.i2c[1] = {
.speed = I2C_SPEED_FAST,
},
.i2c[2] = {
.speed = I2C_SPEED_FAST,
},
.i2c[3] = {
.speed = I2C_SPEED_FAST,
},
.i2c[4] = {
.speed = I2C_SPEED_FAST,
},
@ -77,8 +80,28 @@ chip soc/intel/jasperlake
end
end
end # USB xHCI
device pci 15.0 on end
device pci 15.2 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" = ""GXTP7288""
register "generic.desc" = ""Goodix Touchpad""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
register "generic.wake" = "GPE0_DW0_03"
register "generic.probed" = "1"
register "hid_desc_reg_offset" = "0x20"
device i2c 2c on end
end
end #I2C 0
device pci 15.1 off end # I2C 1
device pci 15.2 on end # I2C 2
device pci 15.3 off end # I2C 3
device pci 1c.7 on end
device pci 19.0 on end
device pci 1f.3 on end