[Blackfin] arch: Add platform support for MTD DATAFLASH
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index e954782..d4cbcb8 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -503,6 +503,15 @@
};
#endif
+#if defined(CONFIG_MTD_DATAFLASH) \
+ || defined(CONFIG_MTD_DATAFLASH_MODULE)
+/* DataFlash chip */
+static struct bfin5xx_spi_chip data_flash_chip_info = {
+ .enable_dma = 0, /* use dma transfer with this chip*/
+ .bits_per_word = 8,
+};
+#endif
+
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) \
|| defined(CONFIG_MTD_M25P80_MODULE)
@@ -517,7 +526,17 @@
.mode = SPI_MODE_3,
},
#endif
-
+#if defined(CONFIG_MTD_DATAFLASH) \
+ || defined(CONFIG_MTD_DATAFLASH_MODULE)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0, /* Framework bus number */
+ .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
+ .controller_data = &data_flash_chip_info,
+ .mode = SPI_MODE_3,
+ },
+#endif
#if defined(CONFIG_SPI_ADC_BF533) \
|| defined(CONFIG_SPI_ADC_BF533_MODULE)
{