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mb/google/nissa/var/telith: Add parade touchscreen support

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Add parade PRT3408 touchscreen support

BUG=b:461693725
TEST=emerge-nissa coreboot chromeos-bootimage

Change-Id: I7d320bcaf3554c9adde4813a366ee60c28b8cc13
Signed-off-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90093
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
This commit is contained in:
Kun Liu 2025-11-05 20:07:21 +08:00 • committed by Subrata Banik
commit 1b0f9c5458
2 changed files with 20 additions and 1 deletions
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2
src/mainboard/google/brya/variants/telith/gpio.c
View file

@ -96,7 +96,7 @@ static const struct pad_config early_gpio_table[] = {
/* C0 : SMBCLK ==> EN_PP3300_TCHSCR_X */
PAD_CFG_GPO(GPP_C0, 1, DEEP),
/* C1 : SMBDATA ==> TCHSCR_RST_L */
PAD_CFG_GPO(GPP_C1, 1, DEEP),
PAD_CFG_GPO(GPP_C1, 0, DEEP),
/* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
PAD_CFG_GPO(GPP_H20, 0, DEEP),

19
src/mainboard/google/brya/variants/telith/overridetree.cb
View file

@ -372,6 +372,7 @@ chip soc/intel/alderlake
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
register "detect" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "reset_delay_ms" = "20"
register "reset_off_delay_ms" = "4"
@ -384,6 +385,24 @@ chip soc/intel/alderlake
register "use_gpio_for_status" = "true"
device i2c 10 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""PRT3408""
register "generic.desc" = ""Parade 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" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "generic.stop_delay_ms" = "250"
register "generic.stop_off_delay_ms" = "25"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "true"
register "generic.use_gpio_for_status" = "true"
register "hid_desc_reg_offset" = "0x01"
device i2c 24 on end
end
end
device ref i2c2 on
chip drivers/intel/mipi_camera