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mb/google/brox: Enable Touchscreen 

BUG=b:300690448,b:319393777
BRANCH=None
TEST=tested on a device with i2cdetect
     Also tested with evtest and make sure Wacom is listed

Change-Id: I4f528b0d778c8c4a4e83774d5c167ccb2d6afd9a
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79895
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Shelley Chen 2024-01-10 13:59:36 -08:00
parent 94af3e551b
commit 9d48620c2a
2 changed files with 21 additions and 1 deletions
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20
src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
View File

@ -168,6 +168,26 @@ chip soc/intel/alderlake
device i2c 0x15 on end
end
end #I2C0
device ref i2c1 on
chip drivers/i2c/hid
register "generic.hid" = ""WACOM4A0D""
register "generic.desc" = ""BOE Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_F18_IRQ)"
register "generic.detect" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F17)"
register "generic.reset_delay_ms" = "100"
register "generic.reset_off_delay_ms" = "10"
register "generic.enable_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_F7)"
register "generic.enable_delay_ms" = "6"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F16)"
register "generic.stop_off_delay_ms" = "100"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 0x0A on
end
end
end
device ref i2c4 on
chip drivers/i2c/tpm
register "hid" = ""GOOG0005""

2
src/mainboard/google/brox/variants/baseboard/brox/gpio.c
View File

@ -244,7 +244,7 @@ static const struct pad_config gpio_table[] = {
/* GPP_F6 : [NF1: CNV_PA_BLANKING NF6: USB_C_GPP_F6] ==> SOC_GPP_F6 (NC)*/
PAD_NC(GPP_F6, NONE),
/* GPP_F7 : [NF6: USB_C_GPP_F7] ==> EN_PP3300_TCHSCR */
PAD_CFG_GPO(GPP_F7, 0, PLTRST),
PAD_CFG_GPO(GPP_F7, 1, PLTRST),
/* GPP_F9 : [NF1: BOOTMPC NF6: USB_C_GPP_F9] ==> SSD_PERST_L */
PAD_CFG_GPO(GPP_F9, 1, DEEP),
/* GPP_F10 : GPP_F10 ==> GPP_F10_STRAP (NC) */