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Commit c06a164c authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

ARM: shmobile: bockw: add SPI FLASH support 



This patch enables Spansion S25FL008K chip on HSPI0

Signed-off-by: default avatarYusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent ed17be92

arch/arm/mach-shmobile/board-bockw.c

+36 −0
Original line number Diff line number Diff line
@@ -20,11 +20,14 @@ 


#include <linux/mfd/tmio.h>

#include <linux/mmc/host.h>

#include <linux/mtd/partitions.h>

#include <linux/pinctrl/machine.h>

#include <linux/platform_device.h>

#include <linux/regulator/fixed.h>

#include <linux/regulator/machine.h>

#include <linux/smsc911x.h>

#include <linux/spi/spi.h>

#include <linux/spi/flash.h>

#include <mach/common.h>

#include <mach/irqs.h>

#include <mach/r8a7778.h>
@@ -84,10 +87,40 @@ static struct i2c_board_info i2c0_devices[] = { 
	},

};



/* HSPI*/

static struct mtd_partition m25p80_spi_flash_partitions[] = {

	{

		.name	= "data(spi)",

		.size	= 0x0100000,

		.offset	= 0,

	},

};



static struct flash_platform_data spi_flash_data = {

	.name		= "m25p80",

	.type		= "s25fl008k",

	.parts		= m25p80_spi_flash_partitions,

	.nr_parts	= ARRAY_SIZE(m25p80_spi_flash_partitions),

};



static struct spi_board_info spi_board_info[] __initdata = {

	{

		.modalias	= "m25p80",

		.max_speed_hz	= 104000000,

		.chip_select	= 0,

		.bus_num	= 0,

		.mode		= SPI_MODE_0,

		.platform_data	= &spi_flash_data,

	},

};



static const struct pinctrl_map bockw_pinctrl_map[] = {

	/* Ether */

	PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7778",

				  "ether_rmii", "ether"),

	/* HSPI0 */

	PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7778",

				  "hspi0_a", "hspi0"),

	/* SCIF0 */

	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",

				  "scif0_data_a", "scif0"),
@@ -111,9 +144,12 @@ static void __init bockw_init(void) 
	r8a7778_add_standard_devices();

	r8a7778_add_ether_device(&ether_platform_data);

	r8a7778_add_i2c_device(0);

	r8a7778_add_hspi_device(0);



	i2c_register_board_info(0, i2c0_devices,

				ARRAY_SIZE(i2c0_devices));

	spi_register_board_info(spi_board_info,

				ARRAY_SIZE(spi_board_info));

	pinctrl_register_mappings(bockw_pinctrl_map,

				  ARRAY_SIZE(bockw_pinctrl_map));

	r8a7778_pinmux_init();