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ARM: shmobile: bockw: add SPI FLASH support

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This patch enables Spansion S25FL008K chip on HSPI0

Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2013-06-11 19:11:41 -07:00 committed by Simon Horman
parent ed17be92c0
commit c06a164ce2
1 changed files with 36 additions and 0 deletions
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36
arch/arm/mach-shmobile/board-bockw.c
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@ -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();