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>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 57d52528f224..e6268b3cbe8d 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -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")