soc/amd/common/gpio: Add macro for PAD_NC

This change adds a macro `PAD_NC` for configuring no-connect pads. This
configures the pad as input with pull-down.

Change-Id: I47c41c88ccfebe2c5dd9a24f85a120af9c8f56b5
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43521
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh
2020-07-16 10:29:31 -07:00
parent 538de782b1
commit b88409deb1

View File

@@ -307,6 +307,10 @@ static inline bool is_gpio_event_active_low(uint32_t flags)
PAD_CFG_STRUCT(pin, pin ## _IOMUX_GPIOxx, \ PAD_CFG_STRUCT(pin, pin ## _IOMUX_GPIOxx, \
PAD_PULL(pull) | PAD_DEBOUNCE_CONFIG(type) | PAD_DEBOUNCE_CONFIG(time)) PAD_PULL(pull) | PAD_DEBOUNCE_CONFIG(type) | PAD_DEBOUNCE_CONFIG(time))
/* No-connect pad - configured as input with PULL_DOWN */
#define PAD_NC(pin) \
PAD_CFG_STRUCT(pin, pin ## _IOMUX_GPIOxx, PAD_PULL(PULL_DOWN))
typedef uint32_t gpio_t; typedef uint32_t gpio_t;
/* /*