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: 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>
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@ -39,6 +39,7 @@ enum dw_mci_exynos_type {
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DW_MCI_TYPE_EXYNOS4210,
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DW_MCI_TYPE_EXYNOS4210,
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DW_MCI_TYPE_EXYNOS4412,
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DW_MCI_TYPE_EXYNOS4412,
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DW_MCI_TYPE_EXYNOS5250,
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DW_MCI_TYPE_EXYNOS5250,
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DW_MCI_TYPE_EXYNOS5420,
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};
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};
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/* Exynos implementation specific driver private data */
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/* Exynos implementation specific driver private data */
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@ -62,6 +63,9 @@ static struct dw_mci_exynos_compatible {
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}, {
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}, {
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.compatible = "samsung,exynos5250-dw-mshc",
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.compatible = "samsung,exynos5250-dw-mshc",
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.ctrl_type = DW_MCI_TYPE_EXYNOS5250,
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.ctrl_type = DW_MCI_TYPE_EXYNOS5250,
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}, {
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.compatible = "samsung,exynos5420-dw-mshc",
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.ctrl_type = DW_MCI_TYPE_EXYNOS5420,
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},
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},
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};
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};
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@ -90,7 +94,8 @@ static int dw_mci_exynos_setup_clock(struct dw_mci *host)
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{
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{
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struct dw_mci_exynos_priv_data *priv = host->priv;
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struct dw_mci_exynos_priv_data *priv = host->priv;
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if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS5250)
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if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS5250 ||
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priv->ctrl_type == DW_MCI_TYPE_EXYNOS5420)
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host->bus_hz /= (priv->ciu_div + 1);
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host->bus_hz /= (priv->ciu_div + 1);
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else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS4412)
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else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS4412)
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host->bus_hz /= EXYNOS4412_FIXED_CIU_CLK_DIV;
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host->bus_hz /= EXYNOS4412_FIXED_CIU_CLK_DIV;
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@ -173,6 +178,8 @@ static const struct of_device_id dw_mci_exynos_match[] = {
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.data = &exynos_drv_data, },
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.data = &exynos_drv_data, },
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{ .compatible = "samsung,exynos5250-dw-mshc",
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{ .compatible = "samsung,exynos5250-dw-mshc",
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.data = &exynos_drv_data, },
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.data = &exynos_drv_data, },
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{ .compatible = "samsung,exynos5420-dw-mshc",
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.data = &exynos_drv_data, },
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{},
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{},
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};
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};
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MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);
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MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);
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