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>

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 a4251cc2a405..7d42f12bf790 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();