]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-omap2/board-apollon-mmc.c
Extra omap code in linux-omap tree
[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-apollon-mmc.c
diff --git a/arch/arm/mach-omap2/board-apollon-mmc.c b/arch/arm/mach-omap2/board-apollon-mmc.c
new file mode 100644 (file)
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+/*
+ * linux/arch/arm/mach-omap2/board-apollon-mmc.c
+ *
+ * Copyright (C) 2005-2007 Samsung Electronics
+ * Author: Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <mach/gpio.h>
+#include <mach/mmc.h>
+
+#ifdef CONFIG_MMC_OMAP
+
+static struct device *mmc_device;
+
+static int apollon_mmc_set_power(struct device *dev, int slot, int power_on,
+                                       int vdd)
+{
+#ifdef CONFIG_MMC_DEBUG
+       dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
+               power_on ? "on" : "off", vdd);
+#endif
+       if (slot != 0) {
+               dev_err(dev, "No such slot %d\n", slot + 1);
+               return -ENODEV;
+       }
+
+       return 0;
+}
+
+static int apollon_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
+{
+#ifdef CONFIG_MMC_DEBUG
+       dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
+               bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
+#endif
+       if (slot != 0) {
+               dev_err(dev, "No such slot %d\n", slot + 1);
+               return -ENODEV;
+       }
+
+       return 0;
+}
+
+static int apollon_mmc_late_init(struct device *dev)
+{
+       mmc_device = dev;
+
+       return 0;
+}
+
+static void apollon_mmc_cleanup(struct device *dev)
+{
+}
+
+/*
+ * Note: If you want to detect card feature, please assign GPIO 37
+ */
+static struct omap_mmc_platform_data mmc1_data = {
+       .nr_slots                       = 1,
+       .init                           = apollon_mmc_late_init,
+       .cleanup                        = apollon_mmc_cleanup,
+       .dma_mask                       = 0xffffffff,
+       .slots[0]       = {
+               .wires                  = 4,
+
+               /*
+                * Use internal loop-back in MMC/SDIO Module Input Clock
+                * selection
+                */
+               .internal_clock         = 1,
+
+               .set_power              = apollon_mmc_set_power,
+               .set_bus_mode           = apollon_mmc_set_bus_mode,
+               .ocr_mask               = MMC_VDD_30_31 | MMC_VDD_31_32 |
+                                         MMC_VDD_32_33 | MMC_VDD_33_34,
+               .name                   = "mmcblk",
+       },
+};
+
+static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
+
+void __init apollon_mmc_init(void)
+{
+       mmc_data[0] = &mmc1_data;
+       omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
+}
+
+#else  /* !CONFIG_MMC_OMAP */
+
+void __init apollon_mmc_init(void)
+{
+}
+
+#endif /* CONFIG_MMC_OMAP */