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Commit 00fd041b authored by Yuvaraj Kumar C D's avatar Yuvaraj Kumar C D Committed by Chris Ball
Browse files

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



The Exynos5420 has a DWMMC controller which is different from prior
versions.This patch adds a new compatible string for Exynos5420.

Signed-off-by: default avatarAbhilash Kesavan <a.kesavan@samsung.com>
Reviewed-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: default avatarYuvaraj Kumar C D <yuvaraj.cd@samsung.com>
Acked-by: default avatarJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 6d6fd367

drivers/mmc/host/dw_mmc-exynos.c

+8 −1
Original line number Diff line number Diff line
@@ -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);