diff options
| author | Sandeep Paulraj <s-paulraj@ti.com> | 2010-02-01 09:51:45 -0500 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2010-03-01 10:20:24 -0800 |
| commit | 5f19daa16ffca55db5b0253eba2bd0f71ee7f7f4 (patch) | |
| tree | bc1c899b166e57b132af35a3cf94be5c511ef70c /arch | |
| parent | a3e13e89d6658042fdfd50a7bf7564e81e6ce689 (diff) | |
| download | linux-5f19daa16ffca55db5b0253eba2bd0f71ee7f7f4.tar.bz2 | |
DaVinci DM365: Adding support for SPI EEPROM
The DM365 Spectrum Digital EVM comes with an EEPROM
connected to SPI0.
This patch adds support for the SPI EEPROM.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-davinci/board-dm365-evm.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 38e9033d2e86..d15beceb632e 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -24,6 +24,8 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/nand.h> #include <linux/input.h> +#include <linux/spi/spi.h> +#include <linux/spi/eeprom.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -571,6 +573,24 @@ static void __init dm365_evm_map_io(void) dm365_init(); } +static struct spi_eeprom at25640 = { + .byte_len = SZ_64K / 8, + .name = "at25640", + .page_size = 32, + .flags = EE_ADDR2, +}; + +static struct spi_board_info dm365_evm_spi_info[] __initconst = { + { + .modalias = "at25", + .platform_data = &at25640, + .max_speed_hz = 10 * 1000 * 1000, + .bus_num = 0, + .chip_select = 0, + .mode = SPI_MODE_0, + }, +}; + static __init void dm365_evm_init(void) { evm_init_i2c(); @@ -587,6 +607,9 @@ static __init void dm365_evm_init(void) dm365_init_asp(&dm365_evm_snd_data); dm365_init_rtc(); dm365_init_ks(&dm365evm_ks_data); + + dm365_init_spi0(BIT(0), dm365_evm_spi_info, + ARRAY_SIZE(dm365_evm_spi_info)); } static __init void dm365_evm_irq_init(void) |