From: Michael Grzeschik <mgr@pengutronix.de>
To: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/3] mxs_spi: initial commit
Date: Mon, 4 Feb 2013 18:10:23 +0100 [thread overview]
Message-ID: <20130204171023.GA24542@pengutronix.de> (raw)
In-Reply-To: <1359995179-2519-4-git-send-email-m.grzeschik@pengutronix.de>
Somehow this patch doesn't have the corrent subject.
I will resend. Thanks.
On Mon, Feb 04, 2013 at 05:26:19PM +0100, Michael Grzeschik wrote:
> Signed-off-by: Michael Grzeschik <m.grzeschik@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 */
> +
> };
>
> 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 */
> + .max_speed_hz = 32000000,
> + .bus_num = 2,
> + .chip_select = 0,
> + }
> +};
> +
> static int mx28_evk_devices_init(void)
> {
> int i;
> @@ -235,8 +254,11 @@ static int mx28_evk_devices_init(void)
>
> /* enable IOCLK0 to run at the PLL frequency */
> imx_set_ioclk(0, 480000000);
> + imx_set_ioclk(1, 320000000);
> /* run the SSP unit clock at 100 MHz */
> imx_set_sspclk(0, 100000000, 1);
> + /* run the SSP unit 2 clock at 160Mhz */
> + imx_set_sspclk(2, 160000000, 1);
>
> armlinux_set_bootparams((void *)IMX_MEMORY_BASE + 0x100);
> armlinux_set_architecture(MACH_TYPE_MX28EVK);
> @@ -259,6 +281,12 @@ static int mx28_evk_devices_init(void)
> add_generic_device("mxs_nand", 0, NULL, MXS_GPMI_BASE, 0x2000,
> IORESOURCE_MEM, NULL);
>
> + spi_register_board_info(mx28evk_spi_board_info,
> + ARRAY_SIZE(mx28evk_spi_board_info));
> +
> + add_generic_device("mxs_spi", 2, NULL, IMX_SSP2_BASE, 0x2000,
> + IORESOURCE_MEM, NULL);
> +
> return 0;
> }
> device_initcall(mx28_evk_devices_init);
> --
> 1.7.10.4
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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next prev parent reply other threads:[~2013-02-04 17:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-04 16:26 [PATCH 0/3] Add mxs spi driver and mx28evk as its first user Michael Grzeschik
2013-02-04 16:26 ` [PATCH 1/3] mxs: ssp move to common register layout Michael Grzeschik
2013-02-04 16:26 ` [PATCH 2/3] mxs_spi: initial commit Michael Grzeschik
2013-02-04 16:26 ` Michael Grzeschik
2013-02-04 17:10 ` Michael Grzeschik [this message]
2013-02-04 17:26 [PATCH 0/3] Add mxs spi driver and mx28evk as its first user Michael Grzeschik
2013-02-04 17:26 ` [PATCH 2/3] mxs_spi: initial commit Michael Grzeschik
2013-02-04 17:57 ` Alexander Aring
2013-02-04 18:15 ` Alexander Aring
2013-02-04 18:18 ` Alexander Aring
2013-02-05 9:22 ` Sascha Hauer
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