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| author | Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> | 2021-03-23 10:48:10 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-25 07:49:49 +0000 |
| commit | d5dde22758edc7681effa90900732ed5886caffd (patch) | |
| tree | c70771874e11a92e5fcd9ff794c06d444199995a /src | |
| parent | aacfa24457f730f016304f4065e8f6ea5639b38a (diff) | |
| download | coreboot-d5dde22758edc7681effa90900732ed5886caffd.tar.xz | |
mb/google/dedede/var/cret: Configure I2C ports and touchpad
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/dedede/variants/cret/overridetree.cb | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/src/mainboard/google/dedede/variants/cret/overridetree.cb b/src/mainboard/google/dedede/variants/cret/overridetree.cb index 0521f20596..96b8a28c89 100644 --- a/src/mainboard/google/dedede/variants/cret/overridetree.cb +++ b/src/mainboard/google/dedede/variants/cret/overridetree.cb @@ -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 |