Dear Russell,
This is a spi resource define patch for w90p910 spi driver.
Signed-off-by: Wan ZongShun <mcuos....@gmail.com>
---
arch/arm/mach-w90x900/mach-w90p910evb.c | 61 +++++++++++++++++++++++++++++++
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 3b9fa31..0a3be6e 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[] = {
{
@@ -250,9 +258,59 @@ static struct platform_device w90p910_device_fmi = {
.resource = w90p910_fmi_resource,
};
+/* 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,
+};
+
static struct map_desc w90p910_iodesc[] __initdata = {
};
+/* 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,
+ },
+};
+
/*Here should be your evb resourse,such as LCD*/
static struct platform_device *w90p910evb_dev[] __initdata = {
@@ -265,6 +323,7 @@ static struct platform_device *w90p910evb_dev[] __initdata
= {
&w90x900_device_kpi,
&w90x900_device_usbgadget,
&w90p910_device_fmi,
+ &w90p910_device_spi,
};
static void __init w90p910evb_map_io(void)
@@ -276,6 +335,8 @@ 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")
--
1.5.6.3
------------------------------------------------------------------------------
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