[PATCH 3/3] mx28evk: add m25p80 flash via ssp2

Sascha Hauer s.hauer at pengutronix.de
Tue Feb 5 04:24:35 EST 2013


On Mon, Feb 04, 2013 at 06:26:21PM +0100, Michael Grzeschik wrote:
> Signed-off-by: Michael Grzeschik <m.grzeschik at pengutronix.de>
> ---
>  arch/arm/boards/freescale-mx28-evk/mx28-evk.c |   28 +++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm/boards/freescale-mx28-evk/mx28-evk.c b/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
> index 4311473..325365b 100644
> --- a/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
> +++ b/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
> @@ -30,6 +30,7 @@
>  #include <mach/mci.h>
>  #include <mach/fb.h>
>  #include <mach/ocotp.h>
> +#include <spi/spi.h>
>  
>  #include <asm/armlinux.h>
>  #include <asm/mmu.h>
> @@ -126,6 +127,13 @@ static const uint32_t mx28evk_pads[] = {
>  	GPMI_ALE | VE_3_3V,
>  	GPMI_CLE | VE_3_3V,
>  	GPMI_RESETN,		/* act as WP, external PU */
> +
> +	/* SSP */
> +	SSP2_D0 | VE_3_3V | PULLUP(1) | STRENGTH(S8MA), /* MISO DO */
> +	SSP2_D3 | VE_3_3V | PULLUP(1) | STRENGTH(S8MA), /* SS0 !CS */
> +	SSP2_CMD | VE_3_3V | PULLUP(1) | STRENGTH(S8MA), /* MOSI DIO */
> +	SSP2_SCK | VE_3_3V | PULLUP(1) | STRENGTH(S8MA), /* CLK */
> +
>  };

unnecessary blank line.

>  
>  static struct mxs_mci_platform_data mci_pdata = {
> @@ -225,6 +233,17 @@ static int mx28_evk_mem_init(void)
>  }
>  mem_initcall(mx28_evk_mem_init);
>  
> +static const struct spi_board_info mx28evk_spi_board_info[] = {
> +	{
> +		.name = "m25p80",
> +		/* we leave this with the lower frequency
> +		   as the ssp unit otherwise locks up */

	/*
	 * multiline
	 * comment
	 */

Sascha

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