Blackfin serial driver: use new GPIO API

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Michael Hennerich 2007-10-11 10:57:54 +08:00 committed by Bryan Wu
parent 8c61362377
commit b99ab54d4f

View File

@ -1,5 +1,6 @@
#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
#define NR_PORTS 4
@ -143,50 +144,48 @@ struct bfin_serial_res bfin_serial_resource[] = {
int nr_ports = ARRAY_SIZE(bfin_serial_resource);
#define DRIVER_NAME "bfin-uart"
static void bfin_serial_hw_init(struct bfin_serial_port *uart)
{
#ifdef CONFIG_SERIAL_BFIN_UART0
/* Enable UART0 RX and TX on pin 7 & 8 of PORT E */
bfin_write_PORTE_FER(0x180 | bfin_read_PORTE_FER());
bfin_write_PORTE_MUX(0x3C000 | bfin_read_PORTE_MUX());
peripheral_request(P_UART0_TX, DRIVER_NAME);
peripheral_request(P_UART0_RX, DRIVER_NAME);
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
/* Enable UART1 RX and TX on pin 0 & 1 of PORT H */
bfin_write_PORTH_FER(0x3 | bfin_read_PORTH_FER());
bfin_write_PORTH_MUX(~0xF & bfin_read_PORTH_MUX());
peripheral_request(P_UART1_TX, DRIVER_NAME);
peripheral_request(P_UART1_RX, DRIVER_NAME);
#ifdef CONFIG_BFIN_UART1_CTSRTS
/* Enable UART1 RTS and CTS on pin 9 & 10 of PORT E */
bfin_write_PORTE_FER(0x600 | bfin_read_PORTE_FER());
bfin_write_PORTE_MUX(~0x3C0000 & bfin_read_PORTE_MUX());
peripheral_request(P_UART1_RTS, DRIVER_NAME);
peripheral_request(P_UART1_CTS DRIVER_NAME);
#endif
#endif
#ifdef CONFIG_SERIAL_BFIN_UART2
/* Enable UART2 RX and TX on pin 4 & 5 of PORT B */
bfin_write_PORTB_FER(0x30 | bfin_read_PORTB_FER());
bfin_write_PORTB_MUX(~0xF00 & bfin_read_PORTB_MUX());
peripheral_request(P_UART2_TX, DRIVER_NAME);
peripheral_request(P_UART2_RX, DRIVER_NAME);
#endif
#ifdef CONFIG_SERIAL_BFIN_UART3
/* Enable UART3 RX and TX on pin 6 & 7 of PORT B */
bfin_write_PORTB_FER(0xC0 | bfin_read_PORTB_FER());
bfin_write_PORTB_MUX(~0xF000 | bfin_read_PORTB_MUX());
peripheral_request(P_UART3_TX, DRIVER_NAME);
peripheral_request(P_UART3_RX, DRIVER_NAME);
#ifdef CONFIG_BFIN_UART3_CTSRTS
/* Enable UART3 RTS and CTS on pin 2 & 3 of PORT B */
bfin_write_PORTB_FER(0xC | bfin_read_PORTB_FER());
bfin_write_PORTB_MUX(~0xF0 | bfin_read_PORTB_MUX());
peripheral_request(P_UART3_RTS, DRIVER_NAME);
peripheral_request(P_UART3_CTS DRIVER_NAME);
#endif
#endif
SSYNC();
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
if (uart->cts_pin >= 0) {
gpio_request(uart->cts_pin, NULL);
gpio_request(uart->cts_pin, DRIVER_NAME);
gpio_direction_input(uart->cts_pin);
}
if (uart->rts_pin >= 0) {
gpio_request(uart->rts_pin, NULL);
gpio_request(uart->rts_pin, DRIVER_NAME);
gpio_direction_output(uart->rts_pin);
}
#endif