mmc: mediatek: add support for MT7622 SoC

Just applying the existing logic and adding its own characteristics into
the space pointed by an extra entry of struct of_device_id to have support
of MT7622 SoC.

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Tested-by: Jumin Li <jumin.li@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mtk-sd.c

@@ -438,11 +438,23 @@ static const struct mtk_mmc_compatible mt2712_compat = {
 	.enhance_rx = true,
 };
 
+static const struct mtk_mmc_compatible mt7622_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,
+};
+
 static const struct of_device_id msdc_of_ids[] = {
 	{ .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat},
 	{ .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat},
 	{ .compatible = "mediatek,mt2701-mmc", .data = &mt2701_compat},
 	{ .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat},
+	{ .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat},
 	{}
 };
 MODULE_DEVICE_TABLE(of, msdc_of_ids);