netdev - Re: [PATCH 2/3] at91sam9263ek: activate at91 CAN controller

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Date:	Thu, 17 Sep 2009 15:14:55 +0200
From:	Wolfgang Grandegger <wg@...ndegger.com>
To:	Marc Kleine-Budde <mkl@...gutronix.de>
CC:	netdev@...r.kernel.org, Socketcan-core@...ts.berlios.de,
	Andrew Victor <linux@...im.org.za>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] at91sam9263ek: activate at91 CAN controller

Marc Kleine-Budde wrote:
> This patch activates the at91 CAN controller for the at91sam9263ek
> development board.
> 
> Signed-off-by: Hans J. Koch <hjk@...utronix.de>
> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.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@...ndegger.com>
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