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@xxxxxxxxxxx>
---
drivers/mmc/host/dw_mmc-exynos.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
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);
--
1.7.9.5
--
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