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mb/starlabs/starlite_adl: Reconfigure the touchscreen

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The existing GPIO configuration was IRQ heavy; tweak this to reduce
the number of interrupts.

Change-Id: I6d23bea5ec12e86a3606186edb29636540283fa3
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84639
Reviewed-by: Maxim <max.senia.poliak@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sean Rhodes 2024-10-02 16:43:07 +01:00
commit fea5bcf6ce
2 changed files with 5 additions and 3 deletions
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4
src/mainboard/starlabs/starlite_adl/variants/mk_v/devicetree.cb
View file

@ -141,8 +141,10 @@ chip soc/intel/alderlake
register "generic.hid" = ""GXTP7386""
register "generic.cid" = ""GXTP7386""
register "generic.desc" = ""Touchscreen""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_F18)"
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_F18_IRQ)"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F17)"
register "generic.reset_delay_ms" = "10"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 5d on end
end

4
src/mainboard/starlabs/starlite_adl/variants/mk_v/gpio.c
View file

@ -323,9 +323,9 @@ const struct pad_config gpio_table[] = {
/* F16: Not Connected */
PAD_NC(GPP_F16, NONE),
/* F17: Touch Panel Reset */
PAD_CFG_GPO(GPP_F17, 1, PLTRST),
PAD_CFG_GPO(GPP_F17, 1, DEEP),
/* F18: Touch Panel Interrupt */
PAD_CFG_GPI_GPIO_DRIVER(GPP_F18, NONE, DEEP),
PAD_CFG_GPI_APIC(GPP_F18, NONE, PLTRST, LEVEL, INVERT),
/* F19: Not Connected */
PAD_NC(GPP_F19, NONE),
/* F20: Not Connected */