mmc: dw_mmc: exynos: Add a new compatible string for exynos5420
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Message ID 1369300167-2590-1-git-send-email-yuvaraj.cd@samsung.com
State New, archived
Headers show

Commit Message

Yuvaraj CD May 23, 2013, 9:09 a.m. UTC
The Exynos5420 has a DWMMC controller which is different from prior
versions.This patch adds a new compatible string for Exynos5420.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
---
 drivers/mmc/host/dw_mmc-exynos.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Patch
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diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
index f013e7e..f883b17 100644
--- a/drivers/mmc/host/dw_mmc-exynos.c
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -41,6 +41,7 @@  enum dw_mci_exynos_type {
 	DW_MCI_TYPE_EXYNOS4210,
 	DW_MCI_TYPE_EXYNOS4412,
 	DW_MCI_TYPE_EXYNOS5250,
+	DW_MCI_TYPE_EXYNOS5420,
 };
 
 /* Exynos implementation specific driver private data */
@@ -64,6 +65,9 @@  static struct dw_mci_exynos_compatible {
 	}, {
 		.compatible	= "samsung,exynos5250-dw-mshc",
 		.ctrl_type	= DW_MCI_TYPE_EXYNOS5250,
+	}, {
+		.compatible	= "samsung,exynos5420-dw-mshc",
+		.ctrl_type	= DW_MCI_TYPE_EXYNOS5420,
 	},
 };
 
@@ -92,7 +96,8 @@  static int dw_mci_exynos_setup_clock(struct dw_mci *host)
 {
 	struct dw_mci_exynos_priv_data *priv = host->priv;
 
-	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS5250)
+	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS5250 ||
+		priv->ctrl_type == DW_MCI_TYPE_EXYNOS5420)
 		host->bus_hz /= (priv->ciu_div + 1);
 	else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS4412)
 		host->bus_hz /= EXYNOS4412_FIXED_CIU_CLK_DIV;
@@ -175,6 +180,8 @@  static const struct of_device_id dw_mci_exynos_match[] = {
 			.data = &exynos_drv_data, },
 	{ .compatible = "samsung,exynos5250-dw-mshc",
 			.data = &exynos_drv_data, },
+	{ .compatible = "samsung,exynos5420-dw-mshc",
+			.data = &exynos_drv_data, },
 	{},
 };
 MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);