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Commit 5f19daa1 authored by Sandeep Paulraj's avatar Sandeep Paulraj Committed by Kevin Hilman
Browse files

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: default avatarSandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent a3e13e89

arch/arm/mach-davinci/board-dm365-evm.c

+23 −0
Original line number Diff line number Diff line
@@ -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)