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