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mmc: mediatek: add support for MediaTek MT7987 SoCs

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This patch adds eMMC/SD support for MT7987 SoC

Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
This commit is contained in:
Weijie Gao
2025-01-23 16:54:56 +08:00
committed by Tom Rini
parent 21fb382845
commit e5d20906f7
1 changed files with 19 additions and 2 deletions
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21
drivers/mmc/mtk-sd.c
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@@ -329,6 +329,7 @@ struct msdc_compatible {
u8 clk_div_bits;
bool pad_tune0;
bool async_fifo;
bool async_fifo_crcsts;
bool data_tune;
bool busy_check;
bool stop_clk_fix;
@@ -1553,8 +1554,12 @@ static void msdc_init_hw(struct msdc_host *host)
/* use async fifo to avoid tune internal delay */
clrbits_le32(&host->base->patch_bit2,
MSDC_PB2_CFGRESP);
clrbits_le32(&host->base->patch_bit2,
MSDC_PB2_CFGCRCSTS);
if (host->dev_comp->async_fifo_crcsts)
setbits_le32(&host->base->patch_bit2,
MSDC_PB2_CFGCRCSTS);
else
clrbits_le32(&host->base->patch_bit2,
MSDC_PB2_CFGCRCSTS);
}
if (host->dev_comp->data_tune) {
@@ -1844,6 +1849,17 @@ static const struct msdc_compatible mt7986_compat = {
.enhance_rx = true,
};
static const struct msdc_compatible mt7987_compat = {
.clk_div_bits = 12,
.pad_tune0 = true,
.async_fifo = true,
.async_fifo_crcsts = true,
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
.enhance_rx = true,
};
static const struct msdc_compatible mt7981_compat = {
.clk_div_bits = 12,
.pad_tune0 = true,
@@ -1886,6 +1902,7 @@ static const struct udevice_id msdc_ids[] = {
{ .compatible = "mediatek,mt7622-mmc", .data = (ulong)&mt7622_compat },
{ .compatible = "mediatek,mt7623-mmc", .data = (ulong)&mt7623_compat },
{ .compatible = "mediatek,mt7986-mmc", .data = (ulong)&mt7986_compat },
{ .compatible = "mediatek,mt7987-mmc", .data = (ulong)&mt7987_compat },
{ .compatible = "mediatek,mt7981-mmc", .data = (ulong)&mt7981_compat },
{ .compatible = "mediatek,mt8512-mmc", .data = (ulong)&mt8512_compat },
{ .compatible = "mediatek,mt8516-mmc", .data = (ulong)&mt8516_compat },