redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

at91sam9263ek: activate at91 CAN controller 

This patch activates the at91 CAN controller for the at91sam9263ek
development board.

Signed-off-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Marc Kleine-Budde 2009-09-16 23:37:33 +00:00 committed by David S. Miller
parent 58a587dc2a
commit a7a1a05f9d
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/arm/mach-at91/board-sam9263ek.c
View File

@ -400,6 +400,23 @@ static struct gpio_led ek_pwm_led[] = {
}
};
/*
* CAN
*/
static void sam9263ek_transceiver_switch(int on)
{
if (on) {
at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */
at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */
} else {
at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */
at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */
}
}
static struct at91_can_data ek_can_data = {
.transceiver_switch = sam9263ek_transceiver_switch,
};
static void __init ek_board_init(void)
{
@ -431,6 +448,8 @@ static void __init ek_board_init(void)
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
/* CAN */
at91_add_device_can(&ek_can_data);
}
MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")