diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 38ab67829791b1b8d7b5c2d33d24ac66999f2a3f..ee81a67207dea56e77a43a373c3068261b8fed73 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -140,6 +140,8 @@ static int mc13xxx_spi_probe(struct spi_device *spi)
 
 	mc13xxx->irq = spi->irq;
 
+	spi->max_speed_hz = spi->max_speed_hz ? : 26000000;
+
 	mc13xxx->regmap = devm_regmap_init(&spi->dev, &regmap_mc13xxx_bus,
 					   &spi->dev,
 					   &mc13xxx_regmap_spi_config);