diff options
| author | David Wu <david_wu@quanta.corp-partner.google.com> | 2024-08-08 16:11:51 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-08-09 14:34:14 +0000 |
| commit | 9ef75eceef35f543836a594f8a1e5bd6d5da7075 (patch) | |
| tree | 05721b02f4910d5b3845aea6596deefa635130ec /src/mainboard | |
| parent | 913942b7997874d4f4062f8842c98afe928b694a (diff) | |
mb/google/nissa/var/riven: Add G2 touchscreen support
This change adds the necessary configuration for the G2 Touchscreen(GTCH7503) device, connected to I2C bus 40.
It includes settings for:
* HID descriptor
* Device description
* IRQ configuration
* Detection
* Reset and enable GPIOs with their respective delays
* Power resource handling
* HID descriptor register offset
BUG=b:350844195
TEST=emerge-nissa coreboot
boot with G2 TS, make sure G2 TS is functional.
Change-Id: If17367cd62eb69a1237efe4aa3ca1a0c9640ba4c
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83823
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brya/variants/riven/overridetree.cb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/riven/overridetree.cb b/src/mainboard/google/brya/variants/riven/overridetree.cb index 301d72a966..411277f8e6 100644 --- a/src/mainboard/google/brya/variants/riven/overridetree.cb +++ b/src/mainboard/google/brya/variants/riven/overridetree.cb @@ -255,6 +255,20 @@ chip soc/intel/alderlake register "hid_desc_reg_offset" = "0x01" device i2c 10 on end end + chip drivers/i2c/hid + register "generic.hid" = ""GTCH7503"" + register "generic.desc" = ""G2 Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "generic.detect" = "1" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" + register "generic.reset_delay_ms" = "120" + register "generic.reset_off_delay_ms" = "3" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "12" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 40 on end + end chip drivers/generic/gpio_keys register "name" = ""PENH"" register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_F13)" |