spi_flash: Add spi_flash_probe_fdt() to locate SPI by FDT node
This allows us to put the SPI flash chip inside the SPI interface node,
with U-Boot finding the correct bus and chip select automatically.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index bdefee1..74ba2b6 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -276,6 +276,7 @@
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
#define CONFIG_SF_DEFAULT_SPEED 50000000
#define EXYNOS5_SPI_NUM_CONTROLLERS 5
+#define CONFIG_OF_SPI
#endif
#ifdef CONFIG_ENV_IS_IN_SPI_FLASH