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mb/google/skyrim: Add Goodix touchscreen 

Add Goodix touchscreen according to the Programming Guide Rev.0.7

BUG=b:228907558
TEST=local build and tested with Goodix touch screen

Change-Id: I35dd3ca76e9e0f17508bef46c90b53b4be5d0033
Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63573
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Ian Feng 2022-04-12 15:06:25 +08:00 committed by Felix Held
parent f17f6d9334
commit e204690227
2 changed files with 23 additions and 4 deletions
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8
src/mainboard/google/skyrim/variants/baseboard/gpio.c
View File

@ -58,8 +58,8 @@ static const struct soc_amd_gpio base_gpio_table[] = {
/* SD_AUX_RESET_L */
PAD_GPO(GPIO_27, HIGH),
/* GPIO_28: Not available */
/* EN_PP3300_TCHSCR */
PAD_GPO(GPIO_29, HIGH),
/* TCHSCR_INT_ODL */
PAD_GPI(GPIO_29, PULL_NONE),
/* ESPI_CS_L */
PAD_NF(GPIO_30, ESPI_CS_L, PULL_NONE),
/* Unused */
@ -113,8 +113,8 @@ static const struct soc_amd_gpio base_gpio_table[] = {
PAD_NF(GPIO_116, CLK_REQ2_L, PULL_NONE),
/* SOC_FPMCU_BOOT0 */
PAD_GPO(GPIO_130, LOW),
/* TCHSCR_INT_ODL */
PAD_GPI(GPIO_131, PULL_NONE),
/* EN_PP3300_TCHSCR */
PAD_GPO(GPIO_131, LOW),
/* TCHSCR_RESET_L */
PAD_GPO(GPIO_136, LOW),
/* SOC_BIOS_WP_L */

19
src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
View File

@ -66,4 +66,23 @@ chip soc/amd/sabrina
device i2c 15 on end
end
end # I2C0
device ref i2c_1 on
chip drivers/i2c/hid
register "generic.hid" = ""GDIX0000""
register "generic.desc" = ""Goodix Touchscreen""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_29)"
register "generic.probed" = "1"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_131)"
register "generic.enable_delay_ms" = "10"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_136)"
register "generic.reset_off_delay_ms" = "1"
register "generic.reset_delay_ms" = "10"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_76)"
register "generic.stop_delay_ms" = "180"
register "generic.stop_off_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 5d on end
end
end # I2C1
end # chip soc/amd/sabrina