Commit 75a2f412 authored by Samuel Holland's avatar Samuel Holland Committed by Ulf Hansson
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mmc: sunxi-mmc: Add D1 MMC variant 



D1's MMC controllers are unique in that they have the DMA address shift
(like A100) with a 13-bit descriptor size field (like sun4i). Add the
compatible and parameters for this new variant.

Signed-off-by: default avatarSamuel Holland <samuel@sholland.org>
Acked-by: default avatarMaxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220203015112.12008-2-samuel@sholland.org


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 02d9c3f4

drivers/mmc/host/sunxi-mmc.c

+9 −0
Original line number Diff line number Diff line
@@ -1167,6 +1167,14 @@ static const struct sunxi_mmc_cfg sun9i_a80_cfg = { 
	.can_calibrate = false,

};



static const struct sunxi_mmc_cfg sun20i_d1_cfg = {

	.idma_des_size_bits = 13,

	.idma_des_shift = 2,

	.can_calibrate = true,

	.mask_data0 = true,

	.needs_new_timings = true,

};



static const struct sunxi_mmc_cfg sun50i_a64_cfg = {

	.idma_des_size_bits = 16,

	.clk_delays = NULL,
@@ -1205,6 +1213,7 @@ static const struct of_device_id sunxi_mmc_of_match[] = { 
	{ .compatible = "allwinner,sun7i-a20-mmc", .data = &sun7i_a20_cfg },

	{ .compatible = "allwinner,sun8i-a83t-emmc", .data = &sun8i_a83t_emmc_cfg },

	{ .compatible = "allwinner,sun9i-a80-mmc", .data = &sun9i_a80_cfg },

	{ .compatible = "allwinner,sun20i-d1-mmc", .data = &sun20i_d1_cfg },

	{ .compatible = "allwinner,sun50i-a64-mmc", .data = &sun50i_a64_cfg },

	{ .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg },

	{ .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg },