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mmc: dw_mmc: exynos: Add a new compatible string for exynos5420

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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>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Yuvaraj Kumar C D 2013-05-24 15:34:32 +05:30 committed by Chris Ball
parent 6d6fd36742
commit 00fd041b0c
1 changed files with 8 additions and 1 deletions
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9
drivers/mmc/host/dw_mmc-exynos.c
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@ -39,6 +39,7 @@ 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 */
@ -62,6 +63,9 @@ 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,
},
};
@ -90,7 +94,8 @@ 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;
@ -173,6 +178,8 @@ 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);