--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -508,6 +508,18 @@ static const struct mtk_mmc_compatible m
 	.support_64g = false,
 };
 
+static const struct mtk_mmc_compatible mt7986_compat = {
+	.clk_div_bits = 12,
+	.hs400_tune = false,
+	.pad_tune_reg = MSDC_PAD_TUNE0,
+	.async_fifo = true,
+	.data_tune = true,
+	.busy_check = true,
+	.stop_clk_fix = true,
+	.enhance_rx = true,
+	.support_64g = true,
+};
+
 static const struct mtk_mmc_compatible mt8516_compat = {
 	.clk_div_bits = 12,
 	.hs400_tune = false,
@@ -537,6 +549,7 @@ static const struct of_device_id msdc_of
 	{ .compatible = "mediatek,mt2701-mmc", .data = &mt2701_compat},
 	{ .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat},
 	{ .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat},
+	{ .compatible = "mediatek,mt7986-mmc", .data = &mt7986_compat},
 	{ .compatible = "mediatek,mt8516-mmc", .data = &mt8516_compat},
 	{ .compatible = "mediatek,mt7620-mmc", .data = &mt7620_compat},
 	{}