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mainboard/google/bluey: Add fingerprint sensor GPIO entries

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This commit introduces Kconfig options and GPIO definitions to support
onboard fingerprint sensors for the Bluey mainboard.

Source: Bluey schematics (dated 04/15).

BUG=b:404985109
TEST=Successfully built google/bluey with the Qualcomm x1p42100 SoC.

Change-Id: Ia8f1a7b2dab3bef1a9332d8c0020489c06bd4f99
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87448
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jayvik Desai <jayvik@google.com>
This commit is contained in:
Subrata Banik 2025-04-25 12:11:11 +05:30
commit 1015d4332f
2 changed files with 36 additions and 0 deletions
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22
src/mainboard/google/bluey/Kconfig
View file

@ -25,12 +25,34 @@ config BOARD_GOOGLE_BASEBOARD_BLUEY
config BOARD_GOOGLE_BLUEY
select BOARD_GOOGLE_BASEBOARD_BLUEY
select MAINBOARD_HAS_FINGERPRINT_VIA_USB
if BOARD_GOOGLE_BLUEY_COMMON
config MAINBOARD_DIR
default "google/bluey"
config MAINBOARD_HAS_FINGERPRINT_VIA_SPI
bool
default n
help
Enable this option if your mainboard's fingerprint reader
is connected via the SPI interface.
config MAINBOARD_HAS_FINGERPRINT_VIA_USB
bool
default n
help
Enable this option if your mainboard's fingerprint reader
is connected via the USB interface.
config MAINBOARD_HAS_FINGERPRINT
bool
default y if MAINBOARD_HAS_FINGERPRINT_VIA_SPI || MAINBOARD_HAS_FINGERPRINT_VIA_USB
help
Enable this option if your mainboard is equipped with an onboard
fingerprint reader. This could be connected via SPI or USB.
config MAINBOARD_VENDOR
string
default "Google"

14
src/mainboard/google/bluey/board.h
View file

@ -10,6 +10,20 @@
#define GSC_AP_INT(x) GPIO(x)
#define GPIO_GSC_AP_INT GSC_AP_INT(CONFIG_MAINBOARD_GPIO_PIN_FOR_GSC_AP_INTERRUPT)
/* Fingerprint-specific GPIOs. Only for fingerprint-enabled devices. */
#if CONFIG(MAINBOARD_HAS_FINGERPRINT)
#define GPIO_FP_RST_L GPIO(25)
#if CONFIG(MAINBOARD_HAS_FINGERPRINT_VIA_SPI)
#define GPIO_FPMCU_BOOT0 GPIO(24)
#define GPIO_FPMCU_INT GPIO(23)
#define GPIO_EN_FP_RAILS GPIO(22)
#else
#define GPIO_FPMCU_BOOT0 dead_code_t(gpio_t)
#define GPIO_FPMCU_INT dead_code_t(gpio_t)
#define GPIO_EN_FP_RAILS dead_code_t(gpio_t)
#endif
#endif
void setup_chromeos_gpios(void);
#endif /* MAINBOARD_GOOGLE_BLUEY_BOARD_H */