diff options
| author | Viresh KUMAR <viresh.kumar@st.com> | 2010-05-26 14:42:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:40 -0700 |
| commit | c63b3cba4f47ef9f4b3f952b4f923cf341d250ac (patch) | |
| tree | dc472d6c93cd7878609752ebe74476b0701e0d96 /include | |
| parent | 6c1f716e8154ee9315534782b9b1eedea0559a24 (diff) | |
| download | lwn-c63b3cba4f47ef9f4b3f952b4f923cf341d250ac.tar.gz lwn-c63b3cba4f47ef9f4b3f952b4f923cf341d250ac.zip | |
sdhci-spear: ST SPEAr based SDHCI controller glue
Add a glue layer to support the sdhci driver on the ST SPEAr platform.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: <shiraz.hashim@st.com>
Cc: Linus Walleij <linus.ml.walleij@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/sdhci-spear.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h new file mode 100644 index 000000000000..9188c973f3e1 --- /dev/null +++ b/include/linux/mmc/sdhci-spear.h @@ -0,0 +1,42 @@ +/* + * include/linux/mmc/sdhci-spear.h + * + * SDHCI declarations specific to ST SPEAr platform + * + * Copyright (C) 2010 ST Microelectronics + * Viresh Kumar<viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef MMC_SDHCI_SPEAR_H +#define MMC_SDHCI_SPEAR_H + +#include <linux/platform_device.h> +/* + * struct sdhci_plat_data: spear sdhci platform data structure + * + * @card_power_gpio: gpio pin for enabling/disabling power to sdhci socket + * @power_active_high: if set, enable power to sdhci socket by setting + * card_power_gpio + * @power_always_enb: If set, then enable power on probe, otherwise enable only + * on card insertion and disable on card removal. + * card_int_gpio: gpio pin used for card detection + */ +struct sdhci_plat_data { + int card_power_gpio; + int power_active_high; + int power_always_enb; + int card_int_gpio; +}; + +/* This function is used to set platform_data field of pdev->dev */ +static inline void +sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data) +{ + pdev->dev.platform_data = data; +} + +#endif /* MMC_SDHCI_SPEAR_H */ |