release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/mmc/sdhci-spear.h

   1 /*
   2  * include/linux/mmc/sdhci-spear.h
   3  *
   4  * SDHCI declarations specific to ST SPEAr platform
   5  *
   6  * Copyright (C) 2010 ST Microelectronics
   7  * Viresh Kumar<viresh.kumar@st.com>
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2. This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 #ifndef MMC_SDHCI_SPEAR_H
  15 #define MMC_SDHCI_SPEAR_H
  16
  17 #include <linux/platform_device.h>
  18 /*
  19  * struct sdhci_plat_data: spear sdhci platform data structure
  20  *
  21  * @card_power_gpio: gpio pin for enabling/disabling power to sdhci socket
  22  * @power_active_high: if set, enable power to sdhci socket by setting
  23  *                      card_power_gpio
  24  * @power_always_enb: If set, then enable power on probe, otherwise enable only
  25  *                      on card insertion and disable on card removal.
  26  * card_int_gpio: gpio pin used for card detection
  27  */
  28 struct sdhci_plat_data {
  29         int card_power_gpio;
  30         int power_active_high;
  31         int power_always_enb;
  32         int card_int_gpio;
  33 };
  34
  35 /* This function is used to set platform_data field of pdev->dev */
  36 static inline void
  37 sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data)
  38 {
  39         pdev->dev.platform_data = data;
  40 }
  41
  42 #endif /* MMC_SDHCI_SPEAR_H */