[PATCH] mmc: mtk-sd: add mediatek,mt8189-mmc compatible

[Peng Fan]

Hi David,

Thanks for your patch!

On Fri, Feb 06, 2026 at 02:50:06PM -0600, David Lechner wrote:
>Add support for MediaTek MT8189 MMC controller.
>
>According to [1], this is similar to, but not quite the same as
>mediatek,mt8196-mmc.
>
>Link: https://lore.kernel.org/linux-mediatek/20251203-mt8189-add-mmc-support-v1-1-f5ce43212fe9@collabora.com/ [1]
>Signed-off-by: David Lechner <dlechner at baylibre.com>
>---
> drivers/mmc/mtk-sd.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
>diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c
>index 4928a880038..7a4bdee7496 100644
>--- a/drivers/mmc/mtk-sd.c
>+++ b/drivers/mmc/mtk-sd.c
>@@ -1979,6 +1979,16 @@ static const struct msdc_compatible mt8183_compat = {
> 	.use_dma_mode = true,
> };
> 
>+static const struct msdc_compatible mt8189_compat = {
>+	.clk_div_bits = 12,
>+	.pad_tune0 = true,
>+	.async_fifo = true,
>+	.data_tune = true,
>+	.busy_check = true,
>+	.stop_clk_fix = true,
>+	.enhance_rx = true,
>+};
>+
> static const struct udevice_id msdc_ids[] = {
> 	{ .compatible = "mediatek,mt7620-mmc", .data = (ulong)&mt7620_compat },
> 	{ .compatible = "mediatek,mt7621-mmc", .data = (ulong)&mt7621_compat },
>@@ -1990,6 +2000,7 @@ static const struct udevice_id msdc_ids[] = {
> 	{ .compatible = "mediatek,mt8512-mmc", .data = (ulong)&mt8512_compat },
> 	{ .compatible = "mediatek,mt8516-mmc", .data = (ulong)&mt8516_compat },
> 	{ .compatible = "mediatek,mt8183-mmc", .data = (ulong)&mt8183_compat },
>+	{ .compatible = "mediatek,mt8189-mmc", .data = (ulong)&mt8189_compat },

I not see this compatible being in dts/upstream or arch/arm/dts/,
so has this patch been tested with upstream U-Boot?

Thanks
Peng

> 	{}
> };
> 
>
>---
>base-commit: e5e75ea8c7b8e6d9ce1ca8ec7a25fa8b3f6029a9
>change-id: 20260206-mtk-mmc-add-mt8189-compatible-6a71d5c710dc
>
>Best regards,
>-- 
>David Lechner <dlechner at baylibre.com>
>
>