diff options
| -rw-r--r-- | chip/g/gpio.c | 6 | ||||
| -rw-r--r-- | chip/g/registers.h | 1 |
2 files changed, 6 insertions, 1 deletions
diff --git a/chip/g/gpio.c b/chip/g/gpio.c index 95b2a79385..ff2e05890c 100644 --- a/chip/g/gpio.c +++ b/chip/g/gpio.c @@ -87,7 +87,11 @@ void gpio_set_alternate_function(uint32_t port, uint32_t mask, int func) static void connect_pinmux(uint32_t signal, uint32_t dio, uint16_t flags) { - if (FIELD_IS_FUNC(signal)) { + if (flags & DIO_ENABLE_DIRECT_INPUT) { + /* enable digital input for direct wired peripheral */ + REG_WRITE_MLV(DIO_CTL_REG(dio), DIO_CTL_IE_MASK, + DIO_CTL_IE_LSB, 1); + } else if (FIELD_IS_FUNC(signal)) { /* Connect peripheral function to DIO */ if (flags & DIO_OUTPUT) { /* drive DIO from peripheral */ diff --git a/chip/g/registers.h b/chip/g/registers.h index a7ab14e67c..566bf063b3 100644 --- a/chip/g/registers.h +++ b/chip/g/registers.h @@ -185,6 +185,7 @@ static inline int x_uart_addr(int ch, int offset) /* Flags to indicate the direction of the signal-to-pin connection */ #define DIO_INPUT 0x0001 #define DIO_OUTPUT 0x0002 +#define DIO_ENABLE_DIRECT_INPUT 0x0004 /* * To store a pinmux DIO in the struct gpio_alt_func's mask field, we use: |