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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-omap1/board-sx1-mmc.c
Initial import
Diffstat (limited to 'arch/arm/mach-omap1/board-sx1-mmc.c')
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1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c b/arch/arm/mach-omap1/board-sx1-mmc.c
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+++ b/arch/arm/mach-omap1/board-sx1-mmc.c
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+/*
+ * linux/arch/arm/mach-omap1/board-sx1-mmc.c
+ *
+ * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
+ * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
+ *
+ * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
+ * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
+ *
+ * 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/gpio.h>
+#include <linux/platform_device.h>
+
+#include <mach/hardware.h>
+#include <mach/board-sx1.h>
+
+#include "mmc.h"
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+static int mmc_set_power(struct device *dev, int slot, int power_on,
+ int vdd)
+{
+ int err;
+ u8 dat = 0;
+
+ err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ if (err < 0)
+ return err;
+
+ if (power_on)
+ dat |= SOFIA_MMC_POWER;
+ else
+ dat &= ~SOFIA_MMC_POWER;
+
+ return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+
+/* Cover switch is at OMAP_MPUIO(3) */
+static struct omap_mmc_platform_data mmc1_data = {
+ .nr_slots = 1,
+ .slots[0] = {
+ .set_power = mmc_set_power,
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .name = "mmcblk",
+ },
+};
+
+static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
+
+void __init sx1_mmc_init(void)
+{
+ mmc_data[0] = &mmc1_data;
+ omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
+}
+
+#else
+
+void __init sx1_mmc_init(void)
+{
+}
+
+#endif