--- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -1001,7 +1001,15 @@ static inline void configure_usart0_pins * We need to drive the pin manually. Default is off (RTS is active low). */ at91_set_gpio_output(AT91_PIN_PA21, 1); - } + } + if (pins & ATMEL_UART_DTR) + at91_set_gpio_output(AT91_PIN_PB6, 1); /* DTR0 */ + if (pins & ATMEL_UART_RI) + at91_set_gpio_output(AT91_PIN_PB7, 1); /* RI0 */ + if (pins & ATMEL_UART_DCD) { + at91_set_gpio_input(AT91_PIN_PA19, 1); /* DCD0 */ + at91_set_deglitch(AT91_PIN_PA19, 1); + } } static struct resource uart1_resources[] = { @@ -1139,6 +1147,14 @@ static inline void configure_usart3_pins at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS3 */ if (pins & ATMEL_UART_RTS) at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */ + if (pins & ATMEL_UART_DTR) + at91_set_gpio_output(AT91_PIN_PB29, 1); /* DTR0 */ + if (pins & ATMEL_UART_RI) + at91_set_gpio_output(AT91_PIN_PB2, 1); /* RI0 */ + if (pins & ATMEL_UART_DCD) { + at91_set_gpio_input(AT91_PIN_PA24, 1); /* DCD0 */ + at91_set_deglitch(AT91_PIN_PA24, 1); + } } static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */