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path: root/drivers/mmc/host/renesas_sdhi_internal_dmac.c
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Diffstat (limited to 'drivers/mmc/host/renesas_sdhi_internal_dmac.c')
-rw-r--r--drivers/mmc/host/renesas_sdhi_internal_dmac.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 7660f7ea74dd..9d2c600fd4ce 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -125,6 +125,22 @@ static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
/* DMAC can handle 32bit blk count but only 1 segment */
.max_blk_count = UINT_MAX / TMIO_MAX_BLK_SIZE,
.max_segs = 1,
+ .sdhi_flags = SDHI_FLAG_NEED_CLKH_FALLBACK,
+};
+
+static const struct renesas_sdhi_of_data of_data_rcar_gen3_no_fallback = {
+ .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
+ TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
+ .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
+ MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
+ .capabilities2 = MMC_CAP2_NO_WRITE_PROTECT | MMC_CAP2_MERGE_CAPABLE,
+ .bus_shift = 2,
+ .scc_offset = 0x1000,
+ .taps = rcar_gen3_scc_taps,
+ .taps_num = ARRAY_SIZE(rcar_gen3_scc_taps),
+ /* DMAC can handle 32bit blk count but only 1 segment */
+ .max_blk_count = UINT_MAX / TMIO_MAX_BLK_SIZE,
+ .max_segs = 1,
};
static const u8 r8a7796_es13_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
@@ -214,6 +230,10 @@ static const struct renesas_sdhi_of_data_with_quirks of_r8a77965_compatible = {
.quirks = &sdhi_quirks_r8a77965,
};
+static const struct renesas_sdhi_of_data_with_quirks of_r8a77970_compatible = {
+ .of_data = &of_data_rcar_gen3_no_fallback,
+};
+
static const struct renesas_sdhi_of_data_with_quirks of_r8a77980_compatible = {
.of_data = &of_data_rcar_gen3,
.quirks = &sdhi_quirks_nohs400,
@@ -235,6 +255,7 @@ static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
{ .compatible = "renesas,sdhi-r8a7796", .data = &of_rcar_gen3_compatible, },
{ .compatible = "renesas,sdhi-r8a77961", .data = &of_r8a77961_compatible, },
{ .compatible = "renesas,sdhi-r8a77965", .data = &of_r8a77965_compatible, },
+ { .compatible = "renesas,sdhi-r8a77970", .data = &of_r8a77970_compatible, },
{ .compatible = "renesas,sdhi-r8a77980", .data = &of_r8a77980_compatible, },
{ .compatible = "renesas,sdhi-r8a77990", .data = &of_r8a77990_compatible, },
{ .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, },