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| author | Jason Wang <jason77.wang@gmail.com> | 2010-09-02 07:52:04 (GMT) |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-10-01 07:32:21 (GMT) |
| commit | 8005cf2eb39786a0a3592fe178603ee1caccc5eb (patch) | |
| tree | f3d7eba7db568314c50985b91014e7611f032f18 | |
| parent | 988916e1a9af1994d510138e7201acf7b425fb46 (diff) | |
| download | linux-8005cf2eb39786a0a3592fe178603ee1caccc5eb.tar.xz | |
ARM: mx5/mx51_3ds: add SPI NOR flash in the board init stage
A 2M bytes SPI NOR flash(sst25vf016b) is soldered on the mx51_3ds
board. So add the corresponding device for it.
Signed-off-by: Jason Wang <jason77.wang@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_3ds.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c index c9c4128..b9d3331 100644 --- a/arch/arm/mach-mx5/board-mx51_3ds.c +++ b/arch/arm/mach-mx5/board-mx51_3ds.c @@ -13,6 +13,7 @@ #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/input/matrix_keypad.h> +#include <linux/spi/spi.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -145,6 +146,16 @@ static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = { .num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs), }; +static struct spi_board_info mx51_3ds_spi_nor_device[] = { + { + .modalias = "m25p80", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 1, + .chip_select = 1, + .mode = SPI_MODE_0, + .platform_data = NULL,}, +}; + /* * Board specific initialization. */ @@ -155,6 +166,8 @@ static void __init mxc_board_init(void) mxc_init_imx_uart(); imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata); + spi_register_board_info(mx51_3ds_spi_nor_device, + ARRAY_SIZE(mx51_3ds_spi_nor_device)); if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT)) printk(KERN_WARNING "Init of the debugboard failed, all " |