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authorDtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>2020-07-30 10:43:07 +0800
committerPatrick Georgi <pgeorgi@google.com>2020-08-03 05:21:10 +0000
commit092ef11a12af222cd9816f86a36fa310e2c89a7c (patch)
treecba8e0570b8262489f32b47e75d93d012bdc0805 /src/mainboard
parentc6ee65f5437d3ef97d3c3274fc7897348d257775 (diff)
mb/google/dedede/var/madoo: Support Elan touchpad and configure I2C ports
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>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/dedede/variants/madoo/gpio.c4
-rw-r--r--src/mainboard/google/dedede/variants/madoo/overridetree.cb27
2 files changed, 26 insertions, 5 deletions
diff --git a/src/mainboard/google/dedede/variants/madoo/gpio.c b/src/mainboard/google/dedede/variants/madoo/gpio.c
index f9f8ea2bcc..314d39eb06 100644
--- a/src/mainboard/google/dedede/variants/madoo/gpio.c
+++ b/src/mainboard/google/dedede/variants/madoo/gpio.c
@@ -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 */
diff --git a/src/mainboard/google/dedede/variants/madoo/overridetree.cb b/src/mainboard/google/dedede/variants/madoo/overridetree.cb
index f8e2b06674..3f9992795c 100644
--- a/src/mainboard/google/dedede/variants/madoo/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/madoo/overridetree.cb
@@ -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