From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U2OsP-0006WO-53 for barebox@lists.infradead.org; Mon, 04 Feb 2013 16:26:38 +0000 Received: from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1U2OsL-0001Nm-Do for barebox@lists.infradead.org; Mon, 04 Feb 2013 17:26:33 +0100 Received: from mgr by dude.hi.pengutronix.de with local (Exim 4.80) (envelope-from ) id 1U2OsL-00089C-Bp for barebox@lists.infradead.org; Mon, 04 Feb 2013 17:26:33 +0100 From: Michael Grzeschik Date: Mon, 4 Feb 2013 17:26:19 +0100 Message-Id: <1359995179-2519-4-git-send-email-m.grzeschik@pengutronix.de> In-Reply-To: <1359995179-2519-1-git-send-email-m.grzeschik@pengutronix.de> References: <1359995179-2519-1-git-send-email-m.grzeschik@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/3] mxs_spi: initial commit To: barebox@lists.infradead.org Signed-off-by: Michael Grzeschik --- 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 #include #include +#include #include #include @@ -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