From: Samuel Holland <samuel@sholland.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
linux-sunxi@lists.linux.dev, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Samuel Holland <samuel@sholland.org>
Subject: [PATCH 2/2] mmc: sunxi-mmc: Add D1 MMC variant
Date: Wed, 2 Feb 2022 19:51:11 -0600 [thread overview]
Message-ID: <20220203015112.12008-2-samuel@sholland.org> (raw)
In-Reply-To: <20220203015112.12008-1-samuel@sholland.org>
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: Samuel Holland <samuel@sholland.org>
---
drivers/mmc/host/sunxi-mmc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 2702736a1c57..c62afd212692 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -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 },
--
2.33.1
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next prev parent reply other threads:[~2022-02-03 1:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-03 1:51 [PATCH 1/2] dt-bindings: mmc: sunxi: Add D1 MMC and eMMC compatibles Samuel Holland
2022-02-03 1:51 ` Samuel Holland [this message]
2022-02-08 15:12 ` [PATCH 2/2] mmc: sunxi-mmc: Add D1 MMC variant Ulf Hansson
2022-02-03 8:15 ` [PATCH 1/2] dt-bindings: mmc: sunxi: Add D1 MMC and eMMC compatibles Maxime Ripard
2022-02-08 15:12 ` Ulf Hansson
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