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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2013-06-11 19:11:41 -0700
committerSimon Horman <horms+renesas@verge.net.au>2013-06-13 14:42:42 +0900
commitc06a164ce2f0f8791ac566a44eaf1d227a5b6b5b (patch)
tree2dd6084a2d3d6f216ddde683c035cfa9922f8e77 /arch
parented17be92c00fde00b2431b31828736f8572d7ba7 (diff)
downloadop-kernel-dev-c06a164ce2f0f8791ac566a44eaf1d227a5b6b5b.zip
op-kernel-dev-c06a164ce2f0f8791ac566a44eaf1d227a5b6b5b.tar.gz
ARM: shmobile: bockw: add SPI FLASH support
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-shmobile/board-bockw.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index a4251cc..7d42f12 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -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();
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