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DaVinci DM365: Adding support for SPI EEPROM

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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>
This commit is contained in:
Sandeep Paulraj 2010-02-01 09:51:45 -05:00 committed by Kevin Hilman
parent a3e13e89d6
commit 5f19daa16f
1 changed files with 23 additions and 0 deletions
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23
arch/arm/mach-davinci/board-dm365-evm.c
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@ -24,6 +24,8 @@
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h> #include <linux/mtd/nand.h>
#include <linux/input.h> #include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@ -571,6 +573,24 @@ static void __init dm365_evm_map_io(void)
dm365_init(); 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) static __init void dm365_evm_init(void)
{ {
evm_init_i2c(); evm_init_i2c();
@ -587,6 +607,9 @@ static __init void dm365_evm_init(void)
dm365_init_asp(&dm365_evm_snd_data); dm365_init_asp(&dm365_evm_snd_data);
dm365_init_rtc(); dm365_init_rtc();
dm365_init_ks(&dm365evm_ks_data); 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) static __init void dm365_evm_irq_init(void)