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| author | FrankChu <frank_chu@pegatron.corp-partner.google.com> | 2022-07-19 14:44:59 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-08-02 17:14:28 +0000 |
| commit | b85997df25863870405360fdc0c9b1fa6221a9c0 (patch) | |
| tree | 49ac9591d7e176d049bc92effb4c4b7a7c613e31 /src | |
| parent | 71a488d42890a6cb408ac20c7e53058a2e3b34c6 (diff) | |
| download | coreboot-b85997df25863870405360fdc0c9b1fa6221a9c0.tar.gz coreboot-b85997df25863870405360fdc0c9b1fa6221a9c0.tar.bz2 coreboot-b85997df25863870405360fdc0c9b1fa6221a9c0.zip | |
mb/google/dedede/var/pirika: Add Elan touchscreen support
Enable I2C2 and register touchscreen ACPI device for pirika.
BUG=b:236564261
TEST=touch screen is functional.
Signed-off-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Change-Id: Id2fd5606b7126eabc1c88bf516198ff00b5d75dd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65967
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/dedede/variants/pirika/overridetree.cb | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/pirika/overridetree.cb b/src/mainboard/google/dedede/variants/pirika/overridetree.cb index c93ae33db82c..3803ab8536f8 100644 --- a/src/mainboard/google/dedede/variants/pirika/overridetree.cb +++ b/src/mainboard/google/dedede/variants/pirika/overridetree.cb @@ -9,6 +9,7 @@ chip soc/intel/jasperlake #| | for TPM communication | #| | before memory is up | #| I2C0 | Trackpad | + #| I2C2 | Touchscreen | #| I2C4 | Audio | #+-------------------+---------------------------+ register "common_soc_config" = "{ @@ -21,6 +22,11 @@ chip soc/intel/jasperlake .rise_time_ns = 260, .fall_time_ns = 50, }, + .i2c[2] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 175, + .fall_time_ns = 20, + }, .i2c[4] = { .speed = I2C_SPEED_FAST, .rise_time_ns = 260, @@ -31,7 +37,7 @@ chip soc/intel/jasperlake register "SerialIoI2cMode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, [PchSerialIoIndexI2C1] = PchSerialIoDisabled, - [PchSerialIoIndexI2C2] = PchSerialIoDisabled, + [PchSerialIoIndexI2C2] = PchSerialIoPci, [PchSerialIoIndexI2C3] = PchSerialIoDisabled, [PchSerialIoIndexI2C4] = PchSerialIoPci, }" @@ -127,6 +133,20 @@ chip soc/intel/jasperlake device i2c 0x2c on end end end + device pci 15.2 on + chip drivers/i2c/generic + register "hid" = ""ELAN0001"" + register "desc" = ""ELAN Touchscreen"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D4_IRQ)" + register "probed" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)" + register "reset_delay_ms" = "20" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "enable_delay_ms" = "1" + register "has_power_resource" = "1" + device i2c 10 on end + end + end # I2C 2 device pci 19.0 on chip drivers/i2c/generic register "hid" = ""10EC5682"" |