diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
index d1558ebe3a2..76af3873e15 100644
--- a/drivers/mmc/meson_gx_mmc.c
+++ b/drivers/mmc/meson_gx_mmc.c
@@ -348,7 +348,7 @@ static int meson_mmc_probe(struct udevice *dev)
 	cfg->host_caps = MMC_MODE_8BIT | MMC_MODE_4BIT |
 			MMC_MODE_HS_52MHz | MMC_MODE_HS;
 	cfg->f_min = DIV_ROUND_UP(SD_EMMC_CLKSRC_24M, CLK_MAX_DIV);
-	cfg->f_max = 100000000; /* 100 MHz */
+	cfg->f_max = 40000000; /* 40 MHz */
 	cfg->b_max = 511; /* max 512 - 1 blocks */
 	cfg->name = dev->name;