Merge tag 'mmc-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Use common polling loop for CMD1
   - Add support for DT compatibles for card quirks and use it for ti,wl1251
   - Fixup storing of the OCR mask for MMC_QUIRK_NONSTD_SDIO

  MMC host:
   - dw_mmc: Add support for MMC_GEN_CMDs
   - dw_mmc: Fixup calculation of the data timeout
   - dw_mmc-exynos: Add support for the ARTPEC-8 variant
   - jz4740: Add support for bi-directional DMA channels
   - mmci: Add support for eMMC HS200 mode for the stm32 sdmmc variant
   - mmci: Add support for stm32 sdmmc variant revision v2.2
   - mtk-sd: A couple of various minor improvements
   - omap_hsmmc: Drop redundant initialization for the ti,wl1251 chip
   - sdhci-esdhc-imx: Add support for the i.MXRT series variant
   - sdhci-esdhc-imx: Add Haibo Chen as maintainer
   - sdhci-pci: Add support for the Intel ADL variant
   - sdhci-pci-gli: GL975[50]: Add support for the Apple ARM64 variant
   - sdhci-pci-o2micro: Improve support for SDR104/HS200"

* tag 'mmc-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (54 commits)
  dt-bindings: mmc: synopsys-dw-mshc: integrate Altera and Imagination
  mmc: pwrseq: Use bitmap_free() to free bitmap
  dt-bindings: mmc: PL18x stop relying on order of dma-names
  dt-bindings: mmc: sdhci-msm: Add compatible string for msm8994
  mmc: au1xmmc: propagate errors from platform_get_irq()
  mmc: sdhci-pci-o2micro: Restore the SD clock's base clock frequency
  mmc: sdhci-pci-o2micro: Improve card input timing at SDR104/HS200 mode
  mmc: mtk-sd: Assign src_clk parent to src_clk_cg for legacy DTs
  mmc: mtk-sd: Fix usage of devm_clk_get_optional()
  mmc: mtk-sd: Take action for no-sdio device-tree parameter
  mmc: mtk-sd: Use BIT() and GENMASK() macros to describe fields
  mmc: mtk-sd: Use readl_poll_timeout instead of open-coded polling
  MAINTAINERS: Add i.MX sdhci maintainer
  mmc: jz4740: Support using a bi-directional DMA channel
  dt-bindings: mmc: ingenic: Support using bi-directional DMA channel
  mmc: dw_mmc: Do not wait for DTO in case of error
  mmc: dw_mmc: Add driver callbacks for data read timeout
  mmc: dw_mmc-exynos: Add support for ARTPEC-8
  dt-bindings: mmc: exynos-dw-mshc: Add support for ARTPEC-8
  mmc: meson-mx-sdio: add IRQ check
  ...

32 files changed, 742 insertions, 442 deletions

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 90e1bcd03b46..2483cfdd30ea 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1908,8 +1908,8 @@ static int mmc_blk_card_busy(struct mmc_card *card, struct request *req)
 
 	cb_data.card = card;
 	cb_data.status = 0;
-	err = __mmc_poll_for_busy(card, MMC_BLK_TIMEOUT_MS, &mmc_blk_busy_cb,
-				  &cb_data);
+	err = __mmc_poll_for_busy(card->host, MMC_BLK_TIMEOUT_MS,
+				  &mmc_blk_busy_cb, &cb_data);
 
 	/*
 	 * Do not assume data transferred correctly if there are any error bits
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index f6b7a9c5bbff..096ae624be9a 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -53,16 +53,6 @@ static struct attribute *mmc_dev_attrs[] = {
 };
 ATTRIBUTE_GROUPS(mmc_dev);
 
-/*
- * This currently matches any MMC driver to any MMC card - drivers
- * themselves make the decision whether to drive this card in their
- * probe method.
- */
-static int mmc_bus_match(struct device *dev, struct device_driver *drv)
-{
-	return 1;
-}
-
 static int
 mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
@@ -226,7 +216,6 @@ static const struct dev_pm_ops mmc_bus_pm_ops = {
 static struct bus_type mmc_bus_type = {
 	.name		= "mmc",
 	.dev_groups	= mmc_dev_groups,
-	.match		= mmc_bus_match,
 	.uevent		= mmc_bus_uevent,
 	.probe		= mmc_bus_probe,
 	.remove		= mmc_bus_remove,
diff --git a/drivers/mmc/core/card.h b/drivers/mmc/core/card.h
index 7bd392d55cfa..99045e138ba4 100644
--- a/drivers/mmc/core/card.h
+++ b/drivers/mmc/core/card.h
@@ -59,6 +59,9 @@ struct mmc_fixup {
 	/* for MMC cards */
 	unsigned int ext_csd_rev;
 
+	/* Match against functions declared in device tree */
+	const char *of_compatible;
+
 	void (*vendor_fixup)(struct mmc_card *card, int data);
 	int data;
 };
@@ -119,6 +122,21 @@ struct mmc_fixup {
 		   _vendor, _device,					\
 		   _fixup, _data, EXT_CSD_REV_ANY)			\
 
+#define SDIO_FIXUP_COMPATIBLE(_compatible, _fixup, _data)		\
+	{						\
+		.name = CID_NAME_ANY,			\
+		.manfid = CID_MANFID_ANY,		\
+		.oemid = CID_OEMID_ANY,			\
+		.rev_start = 0,				\
+		.rev_end = -1ull,			\
+		.cis_vendor = SDIO_ANY_ID,		\
+		.cis_device = SDIO_ANY_ID,		\
+		.vendor_fixup = (_fixup),		\
+		.data = (_data),			\
+		.ext_csd_rev = EXT_CSD_REV_ANY,		\
+		.of_compatible = _compatible,	\
+	}
+
 #define cid_rev(hwrev, fwrev, year, month)	\
 	(((u64) hwrev) << 40 |			\
 	 ((u64) fwrev) << 32 |			\
@@ -150,6 +168,24 @@ static inline void __maybe_unused add_limit_rate_quirk(struct mmc_card *card,
 	card->quirk_max_rate = data;
 }
 
+static inline void __maybe_unused wl1251_quirk(struct mmc_card *card,
+					       int data)
+{
+	/*
+	 * We have TI wl1251 attached to this mmc. Pass this
+	 * information to the SDIO core because it can't be
+	 * probed by normal methods.
+	 */
+
+	dev_info(card->host->parent, "found wl1251\n");
+	card->quirks |= MMC_QUIRK_NONSTD_SDIO;
+	card->cccr.wide_bus = 1;
+	card->cis.vendor = 0x104c;
+	card->cis.device = 0x9066;
+	card->cis.blksize = 512;
+	card->cis.max_dtr = 24000000;
+}
+
 /*
  * Quirk add/remove for MMC products.
  */
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index b1c1716dacf0..bbbbcaf70a59 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1962,7 +1962,7 @@ static int mmc_sleep(struct mmc_host *host)
 		goto out_release;
 	}
 
-	err = __mmc_poll_for_busy(card, timeout_ms, &mmc_sleep_busy_cb, host);
+	err = __mmc_poll_for_busy(host, timeout_ms, &mmc_sleep_busy_cb, host);
 
 out_release:
 	mmc_retune_release(host);
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 0c54858e89c0..d63d1c735335 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -58,6 +58,12 @@ struct mmc_busy_data {
 	enum mmc_busy_cmd busy_cmd;
 };
 
+struct mmc_op_cond_busy_data {
+	struct mmc_host *host;
+	u32 ocr;
+	struct mmc_command *cmd;
+};
+
 int __mmc_send_status(struct mmc_card *card, u32 *status, unsigned int retries)
 {
 	int err;
@@ -173,43 +179,62 @@ int mmc_go_idle(struct mmc_host *host)
 	return err;
 }
 
+static int __mmc_send_op_cond_cb(void *cb_data, bool *busy)
+{
+	struct mmc_op_cond_busy_data *data = cb_data;
+	struct mmc_host *host = data->host;
+	struct mmc_command *cmd = data->cmd;
+	u32 ocr = data->ocr;
+	int err = 0;
+
+	err = mmc_wait_for_cmd(host, cmd, 0);
+	if (err)
+		return err;
+
+	if (mmc_host_is_spi(host)) {
+		if (!(cmd->resp[0] & R1_SPI_IDLE)) {
+			*busy = false;
+			return 0;
+		}
+	} else {
+		if (cmd->resp[0] & MMC_CARD_BUSY) {
+			*busy = false;
+			return 0;
+		}
+	}
+
+	*busy = true;
+
+	/*
+	 * According to eMMC specification v5.1 section 6.4.3, we
+	 * should issue CMD1 repeatedly in the idle state until
+	 * the eMMC is ready. Otherwise some eMMC devices seem to enter
+	 * the inactive mode after mmc_init_card() issued CMD0 when
+	 * the eMMC device is busy.
+	 */
+	if (!ocr && !mmc_host_is_spi(host))
+		cmd->arg = cmd->resp[0] | BIT(30);
+
+	return 0;
+}
+
 int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
 {
 	struct mmc_command cmd = {};
-	int i, err = 0;
+	int err = 0;
+	struct mmc_op_cond_busy_data cb_data = {
+		.host = host,
+		.ocr = ocr,
+		.cmd = &cmd
+	};
 
 	cmd.opcode = MMC_SEND_OP_COND;
 	cmd.arg = mmc_host_is_spi(host) ? 0 : ocr;
 	cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R3 | MMC_CMD_BCR;
 
-	for (i = 100; i; i--) {
-		err = mmc_wait_for_cmd(host, &cmd, 0);
-		if (err)
-			break;
-
-		/* wait until reset completes */
-		if (mmc_host_is_spi(host)) {
-			if (!(cmd.resp[0] & R1_SPI_IDLE))
-				break;
-		} else {
-			if (cmd.resp[0] & MMC_CARD_BUSY)
-				break;
-		}
-
-		err = -ETIMEDOUT;
-
-		mmc_delay(10);
-
-		/*
-		 * According to eMMC specification v5.1 section 6.4.3, we
-		 * should issue CMD1 repeatedly in the idle state until
-		 * the eMMC is ready. Otherwise some eMMC devices seem to enter
-		 * the inactive mode after mmc_init_card() issued CMD0 when
-		 * the eMMC device is busy.
-		 */
-		if (!ocr && !mmc_host_is_spi(host))
-			cmd.arg = cmd.resp[0] | BIT(30);
-	}
+	err = __mmc_poll_for_busy(host, 1000, &__mmc_send_op_cond_cb, &cb_data);
+	if (err)
+		return err;
 
 	if (rocr && !mmc_host_is_spi(host))
 		*rocr = cmd.resp[0];
@@ -470,11 +495,10 @@ static int mmc_busy_cb(void *cb_data, bool *busy)
 	return 0;
 }
 
-int __mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
+int __mmc_poll_for_busy(struct mmc_host *host, unsigned int timeout_ms,
 			int (*busy_cb)(void *cb_data, bool *busy),
 			void *cb_data)
 {
-	struct mmc_host *host = card->host;
 	int err;
 	unsigned long timeout;
 	unsigned int udelay = 32, udelay_max = 32768;
@@ -515,13 +539,14 @@ EXPORT_SYMBOL_GPL(__mmc_poll_for_busy);
 int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
 		      bool retry_crc_err, enum mmc_busy_cmd busy_cmd)
 {
+	struct mmc_host *host = card->host;
 	struct mmc_busy_data cb_data;
 
 	cb_data.card = card;
 	cb_data.retry_crc_err = retry_crc_err;
 	cb_data.busy_cmd = busy_cmd;
 
-	return __mmc_poll_for_busy(card, timeout_ms, &mmc_busy_cb, &cb_data);
+	return __mmc_poll_for_busy(host, timeout_ms, &mmc_busy_cb, &cb_data);
 }
 EXPORT_SYMBOL_GPL(mmc_poll_for_busy);
 
diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h
index e5e94567a9a9..9c813b851d0b 100644
--- a/drivers/mmc/core/mmc_ops.h
+++ b/drivers/mmc/core/mmc_ops.h
@@ -41,7 +41,7 @@ int mmc_can_ext_csd(struct mmc_card *card);
 int mmc_switch_status(struct mmc_card *card, bool crc_err_fatal);
 bool mmc_prepare_busy_cmd(struct mmc_host *host, struct mmc_command *cmd,
 			  unsigned int timeout_ms);
-int __mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
+int __mmc_poll_for_busy(struct mmc_host *host, unsigned int timeout_ms,
 			int (*busy_cb)(void *cb_data, bool *busy),
 			void *cb_data);
 int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
diff --git a/drivers/mmc/core/pwrseq_simple.c b/drivers/mmc/core/pwrseq_simple.c
index ea4d3670560e..988467fbb621 100644
--- a/drivers/mmc/core/pwrseq_simple.c
+++ b/drivers/mmc/core/pwrseq_simple.c
@@ -54,7 +54,7 @@ static void mmc_pwrseq_simple_set_gpios_value(struct mmc_pwrseq_simple *pwrseq,
 		gpiod_set_array_value_cansleep(nvalues, reset_gpios->desc,
 					       reset_gpios->info, values);
 
-		kfree(values);
+		bitmap_free(values);
 	}
 }
 
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index b15c034b42fb..c69b2d9df6f1 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -234,7 +234,7 @@ static blk_status_t mmc_mq_queue_rq(struct blk_mq_hw_ctx *hctx,
 	enum mmc_issue_type issue_type;
 	enum mmc_issued issued;
 	bool get_card, cqe_retune_ok;
-	int ret;
+	blk_status_t ret;
 
 	if (mmc_card_removed(mq->card)) {
 		req->rq_flags |= RQF_QUIET;
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index d68e6e513a4f..20f568727277 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -10,6 +10,7 @@
  *
  */
 
+#include <linux/of.h>
 #include <linux/mmc/sdio_ids.h>
 
 #include "card.h"
@@ -145,6 +146,25 @@ static const struct mmc_fixup __maybe_unused sdio_fixup_methods[] = {
 	END_FIXUP
 };
 
+static const struct mmc_fixup __maybe_unused sdio_card_init_methods[] = {
+	SDIO_FIXUP_COMPATIBLE("ti,wl1251", wl1251_quirk, 0),
+
+	END_FIXUP
+};
+
+static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card,
+						 const char *compatible)
+{
+	struct device_node *np;
+
+	for_each_child_of_node(mmc_dev(card->host)->of_node, np) {
+		if (of_device_is_compatible(np, compatible))
+			return true;
+	}
+
+	return false;
+}
+
 static inline void mmc_fixup_device(struct mmc_card *card,
 				    const struct mmc_fixup *table)
 {
@@ -152,22 +172,32 @@ static inline void mmc_fixup_device(struct mmc_card *card,
 	u64 rev = cid_rev_card(card);
 
 	for (f = table; f->vendor_fixup; f++) {
-		if ((f->manfid == CID_MANFID_ANY ||
-		     f->manfid == card->cid.manfid) &&
-		    (f->oemid == CID_OEMID_ANY ||
-		     f->oemid == card->cid.oemid) &&
-		    (f->name == CID_NAME_ANY ||
-		     !strncmp(f->name, card->cid.prod_name,
-			      sizeof(card->cid.prod_name))) &&
-		    (f->cis_vendor == card->cis.vendor ||
-		     f->cis_vendor == (u16) SDIO_ANY_ID) &&
-		    (f->cis_device == card->cis.device ||
-		     f->cis_device == (u16) SDIO_ANY_ID) &&
-		    (f->ext_csd_rev == EXT_CSD_REV_ANY ||
-		     f->ext_csd_rev == card->ext_csd.rev) &&
-		    rev >= f->rev_start && rev <= f->rev_end) {
-			dev_dbg(&card->dev, "calling %ps\n", f->vendor_fixup);
-			f->vendor_fixup(card, f->data);
-		}
+		if (f->manfid != CID_MANFID_ANY &&
+		    f->manfid != card->cid.manfid)
+			continue;
+		if (f->oemid != CID_OEMID_ANY &&
+		    f->oemid != card->cid.oemid)
+			continue;
+		if (f->name != CID_NAME_ANY &&
+		    strncmp(f->name, card->cid.prod_name,
+			    sizeof(card->cid.prod_name)))
+			continue;
+		if (f->cis_vendor != (u16)SDIO_ANY_ID &&
+		    f->cis_vendor != card->cis.vendor)
+			continue;
+		if (f->cis_device != (u16)SDIO_ANY_ID &&
+		    f->cis_device != card->cis.device)
+			continue;
+		if (f->ext_csd_rev != EXT_CSD_REV_ANY &&
+		    f->ext_csd_rev != card->ext_csd.rev)
+			continue;
+		if (rev < f->rev_start || rev > f->rev_end)
+			continue;
+		if (f->of_compatible &&
+		    !mmc_fixup_of_compatible_match(card, f->of_compatible))
+			continue;
+
+		dev_dbg(&card->dev, "calling %ps\n", f->vendor_fixup);
+		f->vendor_fixup(card, f->data);
 	}
 }
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index c9db24e16af1..45f578793980 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -1666,7 +1666,7 @@ static int sd_poweroff_notify(struct mmc_card *card)
 
 	cb_data.card = card;
 	cb_data.reg_buf = reg_buf;
-	err = __mmc_poll_for_busy(card, SD_POWEROFF_NOTIFY_TIMEOUT_MS,
+	err = __mmc_poll_for_busy(card->host, SD_POWEROFF_NOTIFY_TIMEOUT_MS,
 				  &sd_busy_poweroff_notify_cb, &cb_data);
 
 out:
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 68edf7a615be..41164748723d 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -707,6 +707,9 @@ try_again:
 	 */
 	if (host->ops->init_card)
 		host->ops->init_card(host, card);
+	mmc_fixup_device(card, sdio_card_init_methods);
+
+	card->ocr = ocr_card;
 
 	/*
 	 * If the host and card support UHS-I mode request the card
@@ -820,7 +823,7 @@ try_again:
 			goto mismatch;
 		}
 	}
-	card->ocr = ocr_card;
+
 	mmc_fixup_device(card, sdio_fixup_methods);
 
 	if (card->type == MMC_TYPE_SD_COMBO) {
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index 0acc237843f7..a9a0837153d8 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -969,8 +969,10 @@ static int au1xmmc_probe(struct platform_device *pdev)
 	}
 
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq < 0)
+	if (host->irq < 0) {
+		ret = host->irq;
 		goto out3;
+	}
 
 	mmc->ops = &au1xmmc_ops;
 
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
index c2dd29ef45c6..ca5be4445ae0 100644
--- a/drivers/mmc/host/dw_mmc-exynos.c
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -28,6 +28,7 @@ enum dw_mci_exynos_type {
 	DW_MCI_TYPE_EXYNOS5420_SMU,
 	DW_MCI_TYPE_EXYNOS7,
 	DW_MCI_TYPE_EXYNOS7_SMU,
+	DW_MCI_TYPE_ARTPEC8,
 };
 
 /* Exynos implementation specific driver private data */
@@ -69,6 +70,9 @@ static struct dw_mci_exynos_compatible {
 	}, {
 		.compatible	= "samsung,exynos7-dw-mshc-smu",
 		.ctrl_type	= DW_MCI_TYPE_EXYNOS7_SMU,
+	}, {
+		.compatible	= "axis,artpec8-dw-mshc",
+		.ctrl_type	= DW_MCI_TYPE_ARTPEC8,
 	},
 };
 
@@ -81,7 +85,8 @@ static inline u8 dw_mci_exynos_get_ciu_div(struct dw_mci *host)
 	else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS4210)
 		return EXYNOS4210_FIXED_CIU_CLK_DIV;
 	else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-			priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+			priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+			priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		return SDMMC_CLKSEL_GET_DIV(mci_readl(host, CLKSEL64)) + 1;
 	else
 		return SDMMC_CLKSEL_GET_DIV(mci_readl(host, CLKSEL)) + 1;
@@ -122,6 +127,11 @@ static int dw_mci_exynos_priv_init(struct dw_mci *host)
 				DQS_CTRL_GET_RD_DELAY(priv->saved_strobe_ctrl);
 	}
 
+	if (priv->ctrl_type == DW_MCI_TYPE_ARTPEC8) {
+		/* Quirk needed for the ARTPEC-8 SoC */
+		host->quirks |= DW_MMC_QUIRK_EXTENDED_TMOUT;
+	}
+
 	host->bus_hz /= (priv->ciu_div + 1);
 
 	return 0;
@@ -133,7 +143,8 @@ static void dw_mci_exynos_set_clksel_timing(struct dw_mci *host, u32 timing)
 	u32 clksel;
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		clksel = mci_readl(host, CLKSEL64);
 	else
 		clksel = mci_readl(host, CLKSEL);
@@ -141,7 +152,8 @@ static void dw_mci_exynos_set_clksel_timing(struct dw_mci *host, u32 timing)
 	clksel = (clksel & ~SDMMC_CLKSEL_TIMING_MASK) | timing;
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		mci_writel(host, CLKSEL64, clksel);
 	else
 		mci_writel(host, CLKSEL, clksel);
@@ -210,14 +222,16 @@ static int dw_mci_exynos_resume_noirq(struct device *dev)
 		return ret;
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		clksel = mci_readl(host, CLKSEL64);
 	else
 		clksel = mci_readl(host, CLKSEL);
 
 	if (clksel & SDMMC_CLKSEL_WAKEUP_INT) {
 		if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-			priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+			priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+			priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 			mci_writel(host, CLKSEL64, clksel);
 		else
 			mci_writel(host, CLKSEL, clksel);
@@ -238,7 +252,8 @@ static void dw_mci_exynos_config_hs400(struct dw_mci *host, u32 timing)
 	 * Not supported to configure register
 	 * related to HS400
 	 */
-	if (priv->ctrl_type < DW_MCI_TYPE_EXYNOS5420) {
+	if ((priv->ctrl_type < DW_MCI_TYPE_EXYNOS5420) ||
+		(priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)) {
 		if (timing == MMC_TIMING_MMC_HS400)
 			dev_warn(host->dev,
 				 "cannot configure HS400, unsupported chipset\n");
@@ -394,7 +409,8 @@ static inline u8 dw_mci_exynos_get_clksmpl(struct dw_mci *host)
 	struct dw_mci_exynos_priv_data *priv = host->priv;
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		return SDMMC_CLKSEL_CCLK_SAMPLE(mci_readl(host, CLKSEL64));
 	else
 		return SDMMC_CLKSEL_CCLK_SAMPLE(mci_readl(host, CLKSEL));
@@ -406,13 +422,15 @@ static inline void dw_mci_exynos_set_clksmpl(struct dw_mci *host, u8 sample)
 	struct dw_mci_exynos_priv_data *priv = host->priv;
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		clksel = mci_readl(host, CLKSEL64);
 	else
 		clksel = mci_readl(host, CLKSEL);
 	clksel = SDMMC_CLKSEL_UP_SAMPLE(clksel, sample);
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		mci_writel(host, CLKSEL64, clksel);
 	else
 		mci_writel(host, CLKSEL, clksel);
@@ -425,7 +443,8 @@ static inline u8 dw_mci_exynos_move_next_clksmpl(struct dw_mci *host)
 	u8 sample;
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		clksel = mci_readl(host, CLKSEL64);
 	else
 		clksel = mci_readl(host, CLKSEL);
@@ -434,7 +453,8 @@ static inline u8 dw_mci_exynos_move_next_clksmpl(struct dw_mci *host)
 	clksel = SDMMC_CLKSEL_UP_SAMPLE(clksel, sample);
 
 	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS7 ||
-		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU)
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU ||
+		priv->ctrl_type == DW_MCI_TYPE_ARTPEC8)
 		mci_writel(host, CLKSEL64, clksel);
 	else
 		mci_writel(host, CLKSEL, clksel);
@@ -524,17 +544,65 @@ static int dw_mci_exynos_prepare_hs400_tuning(struct dw_mci *host,
 	return 0;
 }
 
+static void dw_mci_exynos_set_data_timeout(struct dw_mci *host,
+					   unsigned int timeout_ns)
+{
+	u32 clk_div, tmout;
+	u64 tmp;
+	unsigned int tmp2;
+
+	clk_div = (mci_readl(host, CLKDIV) & 0xFF) * 2;
+	if (clk_div == 0)
+		clk_div = 1;
+
+	tmp = DIV_ROUND_UP_ULL((u64)timeout_ns * host->bus_hz, NSEC_PER_SEC);
+	tmp = DIV_ROUND_UP_ULL(tmp, clk_div);
+
+	/* TMOUT[7:0] (RESPONSE_TIMEOUT) */
+	tmout = 0xFF; /* Set maximum */
+
+	/*
+	 * Extended HW timer (max = 0x6FFFFF2):
+	 * ((TMOUT[10:8] - 1) * 0xFFFFFF + TMOUT[31:11] * 8)
+	 */
+	if (!tmp || tmp > 0x6FFFFF2)
+		tmout |= (0xFFFFFF << 8);
+	else {
+		/* TMOUT[10:8] */
+		tmp2 = (((unsigned int)tmp / 0xFFFFFF) + 1) & 0x7;
+		tmout |= tmp2 << 8;
+
+		/* TMOUT[31:11] */
+		tmp = tmp - ((tmp2 - 1) * 0xFFFFFF);
+		tmout |= (tmp & 0xFFFFF8) << 8;
+	}
+
+	mci_writel(host, TMOUT, tmout);
+	dev_dbg(host->dev, "timeout_ns: %u => TMOUT[31:8]: %#08x",
+		timeout_ns, tmout >> 8);
+}
+
+static u32 dw_mci_exynos_get_drto_clks(struct dw_mci *host)
+{
+	u32 drto_clks;
+
+	drto_clks = mci_readl(host, TMOUT) >> 8;
+
+	return (((drto_clks & 0x7) - 1) * 0xFFFFFF) + ((drto_clks & 0xFFFFF8));
+}
+
 /* Common capabilities of Exynos4/Exynos5 SoC */
 static unsigned long exynos_dwmmc_caps[4] = {
-	MMC_CAP_1_8V_DDR | MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
+	MMC_CAP_1_8V_DDR | MMC_CAP_8_BIT_DATA,
+	0,
+	0,
+	0,
 };
 
 static const struct dw_mci_drv_data exynos_drv_data = {
 	.caps			= exynos_dwmmc_caps,
 	.num_caps		= ARRAY_SIZE(exynos_dwmmc_caps),
+	.common_caps		= MMC_CAP_CMD23,
 	.init			= dw_mci_exynos_priv_init,
 	.set_ios		= dw_mci_exynos_set_ios,
 	.parse_dt		= dw_mci_exynos_parse_dt,
@@ -542,6 +610,16 @@ static const struct dw_mci_drv_data exynos_drv_data = {
 	.prepare_hs400_tuning	= dw_mci_exynos_prepare_hs400_tuning,
 };
 
+static const struct dw_mci_drv_data artpec_drv_data = {
+	.common_caps		= MMC_CAP_CMD23,
+	.init			= dw_mci_exynos_priv_init,
+	.set_ios		= dw_mci_exynos_set_ios,
+	.parse_dt		= dw_mci_exynos_parse_dt,
+	.execute_tuning		= dw_mci_exynos_execute_tuning,
+	.set_data_timeout		= dw_mci_exynos_set_data_timeout,
+	.get_drto_clks		= dw_mci_exynos_get_drto_clks,
+};
+
 static const struct of_device_id dw_mci_exynos_match[] = {
 	{ .compatible = "samsung,exynos4412-dw-mshc",
 			.data = &exynos_drv_data, },
@@ -555,6 +633,8 @@ static const struct of_device_id dw_mci_exynos_match[] = {
 			.data = &exynos_drv_data, },
 	{ .compatible = "samsung,exynos7-dw-mshc-smu",
 			.data = &exynos_drv_data, },
+	{ .compatible = "axis,artpec8-dw-mshc",
+			.data = &artpec_drv_data, },
 	{},
 };
 MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);
diff --git a/drivers/mmc/host/dw_mmc-hi3798cv200.c b/drivers/mmc/host/dw_mmc-hi3798cv200.c
index 39794f93826f..e9437ef8ef19 100644
--- a/drivers/mmc/host/dw_mmc-hi3798cv200.c
+++ b/drivers/mmc/host/dw_mmc-hi3798cv200.c
@@ -23,12 +23,6 @@ struct hi3798cv200_priv {
 	struct clk *drive_clk;
 };
 
-static unsigned long dw_mci_hi3798cv200_caps[] = {
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23
-};
-
 static void dw_mci_hi3798cv200_set_ios(struct dw_mci *host, struct mmc_ios *ios)
 {
 	struct hi3798cv200_priv *priv = host->priv;
@@ -166,8 +160,7 @@ disable_sample_clk:
 }
 
 static const struct dw_mci_drv_data hi3798cv200_data = {
-	.caps = dw_mci_hi3798cv200_caps,
-	.num_caps = ARRAY_SIZE(dw_mci_hi3798cv200_caps),
+	.common_caps = MMC_CAP_CMD23,
 	.init = dw_mci_hi3798cv200_init,
 	.set_ios = dw_mci_hi3798cv200_set_ios,
 	.execute_tuning = dw_mci_hi3798cv200_execute_tuning,
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
index d36991acd6df..95d0ec0f5f3a 100644
--- a/drivers/mmc/host/dw_mmc-rockchip.c
+++ b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -300,21 +300,12 @@ static int dw_mci_rockchip_init(struct dw_mci *host)
 	return 0;
 }
 
-/* Common capabilities of RK3288 SoC */
-static unsigned long dw_mci_rk3288_dwmmc_caps[4] = {
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
-	MMC_CAP_CMD23,
-};
-
 static const struct dw_mci_drv_data rk2928_drv_data = {
 	.init			= dw_mci_rockchip_init,
 };
 
 static const struct dw_mci_drv_data rk3288_drv_data = {
-	.caps			= dw_mci_rk3288_dwmmc_caps,
-	.num_caps		= ARRAY_SIZE(dw_mci_rk3288_dwmmc_caps),
+	.common_caps		= MMC_CAP_CMD23,
 	.set_ios		= dw_mci_rk3288_set_ios,
 	.execute_tuning		= dw_mci_rk3288_execute_tuning,
 	.parse_dt		= dw_mci_rk3288_parse_dt,
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/