[ARM] 5618/1: Add spi resource define for w90p910 spi driver

Add spi resource define for w90p910 spi driver.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 61 insertions, 0 deletions

diff --git a/arch/arm/mach-w90x900/mach-w90p910evb.c b/arch/arm/mach-w90x900/mach-w90p910evb.c
index 2e56d84c6323..3e3a267b2dde 100644
--- a/arch/arm/mach-w90x900/mach-w90p910evb.c
+++ b/arch/arm/mach-w90x900/mach-w90p910evb.c
@@ -20,7 +20,13 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+
 #include <linux/mtd/physmap.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -35,6 +41,8 @@
 
 #define W90P910_FLASH_BASE      0xA0000000
 #define W90P910_FLASH_SIZE      0x400000
+#define SPIOFFSET               0x200
+#define SPIOREG_SIZE            0x100
 
 static struct mtd_partition w90p910_flash_partitions[] = {
         {
@@ -282,6 +290,56 @@ static struct platform_device w90p910_device_emc = {
         }
 };
 
+/* SPI device */
+
+static struct resource w90p910_spi_resource[] = {
+        [0] = {
+                .start = W90X900_PA_I2C + SPIOFFSET,
+                .end   = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = IRQ_SSP,
+                .end   = IRQ_SSP,
+                .flags = IORESOURCE_IRQ,
+        }
+};
+
+static struct platform_device w90p910_device_spi = {
+        .name           = "w90p910-spi",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(w90p910_spi_resource),
+        .resource       = w90p910_spi_resource,
+};
+
+/* spi device, spi flash info */
+
+static struct mtd_partition w90p910_spi_flash_partitions[] = {
+        {
+                .name = "bootloader(spi)",
+                .size = 0x0100000,
+                .offset = 0,
+        },
+};
+
+static struct flash_platform_data w90p910_spi_flash_data = {
+        .name = "m25p80",
+        .parts =  w90p910_spi_flash_partitions,
+        .nr_parts = ARRAY_SIZE(w90p910_spi_flash_partitions),
+        .type = "w25x16",
+};
+
+static struct spi_board_info w90p910_spi_board_info[] __initdata = {
+        {
+                .modalias = "m25p80",
+                .max_speed_hz = 20000000,
+                .bus_num = 0,
+                .chip_select = 1,
+                .platform_data = &w90p910_spi_flash_data,
+                .mode = SPI_MODE_0,
+        },
+};
+
 static struct map_desc w90p910_iodesc[] __initdata = {
 };
 
@@ -298,6 +356,7 @@ static struct platform_device *w90p910evb_dev[] __initdata = {
         &w90x900_device_usbgadget,
         &w90p910_device_fmi,
         &w90p910_device_emc,
+        &w90p910_device_spi,
 };
 
 static void __init w90p910evb_map_io(void)
@@ -309,6 +368,8 @@ static void __init w90p910evb_map_io(void)
 static void __init w90p910evb_init(void)
 {
         platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev));
+        spi_register_board_info(w90p910_spi_board_info,
+                                        ARRAY_SIZE(w90p910_spi_board_info));
 }
 
 MACHINE_START(W90P910EVB, "W90P910EVB")