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

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>

diff --git a/drivers/mmc/host/sdhci-of-k1.c b/drivers/mmc/host/sdhci-of-k1.c
index a160e1d5d9bdef7774e2c9c2db59e2983ba793c5..455656f9842df90c7a94a290aeec22157b378fc1 100644 (file)
--- a/drivers/mmc/host/sdhci-of-k1.c
+++ b/drivers/mmc/host/sdhci-of-k1.c
@@ -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);