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mmc: sdhci-of-k1: spacemit: Add support for K3 SoC

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The SDHCI controller found on SpacemiT K3 SoC share the same IP with K1
generation and introduce a compatible data to denote the change that broken
64BIT DMA issue has been fixed.

Signed-off-by: Yixun Lan <dlan@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Yixun Lan
2026-01-22 17:37:31 +08:00
committed by Ulf Hansson
parent b4206966e2
commit 1e9f43a1db
1 changed files with 17 additions and 2 deletions
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19
drivers/mmc/host/sdhci-of-k1.c
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@@ -259,8 +259,20 @@ static const struct sdhci_pltfm_data spacemit_sdhci_k1_pdata = {
SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
static const struct sdhci_pltfm_data spacemit_sdhci_k3_pdata = {
.ops = &spacemit_sdhci_ops,
.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
SDHCI_QUIRK_32BIT_ADMA_SIZE |
SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
SDHCI_QUIRK_BROKEN_CARD_DETECTION |
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
static const struct of_device_id spacemit_sdhci_of_match[] = {
{ .compatible = "spacemit,k1-sdhci" },
{ .compatible = "spacemit,k1-sdhci", .data = &spacemit_sdhci_k1_pdata },
{ .compatible = "spacemit,k3-sdhci", .data = &spacemit_sdhci_k3_pdata },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, spacemit_sdhci_of_match);
@@ -271,10 +283,13 @@ static int spacemit_sdhci_probe(struct platform_device *pdev)
struct spacemit_sdhci_host *sdhst;
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_host *host;
const struct sdhci_pltfm_data *data;
struct mmc_host_ops *mops;
int ret;
host = sdhci_pltfm_init(pdev, &spacemit_sdhci_k1_pdata, sizeof(*sdhst));
data = of_device_get_match_data(&pdev->dev);
host = sdhci_pltfm_init(pdev, data, sizeof(*sdhst));
if (IS_ERR(host))
return PTR_ERR(host);