[PATCH 2/3] at91sam9263ek: activate at91 CAN controller
Wolfgang Grandegger
wg at grandegger.com
Thu Sep 17 09:14:55 EDT 2009
Marc Kleine-Budde wrote:
> This patch activates the at91 CAN controller for the at91sam9263ek
> development board.
>
> Signed-off-by: Hans J. Koch <hjk at linutronix.de>
> Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
> ---
> arch/arm/mach-at91/board-sam9263ek.c | 19 +++++++++++++++++++
> 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 57d5252..e6268b3 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")
Acked-by: Wolfgang Grandegger <wg at grandegger.com>
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