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mb/google/dedede/var/madoo: Support Elan touchpad and configure I2C ports

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1. Add Elan touchpad support.
2. Follow schematic to disable I2C1 and I2C3.

BUG=b:160869188,b:161407664
BRANCH=NONE
TEST=emerge-dedede coreboot chromeos-bootimage", build successful

Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: I154a1ff2597968d200d1d0693718f90cd2744616
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44052
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
This commit is contained in:
Dtrain Hsu 2020-07-30 10:43:07 +08:00 committed by Patrick Georgi
parent c6ee65f543
commit 092ef11a12
2 changed files with 26 additions and 5 deletions
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4
src/mainboard/google/dedede/variants/madoo/gpio.c
View file

@ -5,6 +5,10 @@
/* Pad configuration in ramstage */
static const struct pad_config override_gpio_table[] = {
/* C18 : AP_I2C_EMR_SDA */
PAD_NC(GPP_C18, NONE),
/* C19 : AP_I2C_EMR_SCL */
PAD_NC(GPP_C19, NONE),
/* D12 : WCAM_RST_L */
PAD_NC(GPP_D12, NONE),
/* D13 : EN_PP2800_CAMERA */

27
src/mainboard/google/dedede/variants/madoo/overridetree.cb
View file

@ -6,6 +6,15 @@ chip soc/intel/jasperlake
register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)" # Camera
register "usb3_ports[2]" = "USB3_PORT_EMPTY" # Not Used
register "SerialIoI2cMode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoPci,
[PchSerialIoIndexI2C1] = PchSerialIoDisabled,
[PchSerialIoIndexI2C2] = PchSerialIoPci,
[PchSerialIoIndexI2C3] = PchSerialIoDisabled,
[PchSerialIoIndexI2C4] = PchSerialIoPci,
[PchSerialIoIndexI2C5] = PchSerialIoDisabled,
}"
# Intel Common SoC Config
#+-------------------+---------------------------+
#| Field | Value |
@ -15,7 +24,7 @@ chip soc/intel/jasperlake
#| | for TPM communication |
#| | before memory is up |
#| I2C0 | Trackpad |
#| I2C1 | Digitizer |
#| I2C1 | |
#| I2C2 | Touchscreen |
#| I2C3 | |
#| I2C4 | Audio |
@ -28,9 +37,6 @@ chip soc/intel/jasperlake
.i2c[0] = {
.speed = I2C_SPEED_FAST,
},
.i2c[1] = {
.speed = I2C_SPEED_FAST,
},
.i2c[2] = {
.speed = I2C_SPEED_FAST,
},
@ -56,7 +62,17 @@ chip soc/intel/jasperlake
end
end
end # USB xHCI
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
end #I2C 0
device pci 15.1 off end # I2C 1
device pci 15.2 on
chip drivers/i2c/hid
register "generic.hid" = ""GDIX0000""
@ -74,6 +90,7 @@ chip soc/intel/jasperlake
device i2c 0x5d on end
end
end # I2C 2
device pci 15.3 off end # I2C 3
device pci 1c.7 on end
device pci 19.0 on
chip drivers/i2c/generic