b405db6c01
The MMC block needs 3 external datas to work : - is the MMC card put in "read-only mode" ? - is a MMC card inserted or removed ? - enable power towards the MMC card Several platforms provide these controls through gpios. Expand the platform_data to request and use these gpios is set up by board code. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Pierre.Ossman <pierre@ossman.eu> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
29 lines
991 B
C
29 lines
991 B
C
#ifndef ASMARM_ARCH_MMC_H
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#define ASMARM_ARCH_MMC_H
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#include <linux/mmc/host.h>
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#include <linux/interrupt.h>
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struct device;
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struct mmc_host;
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struct pxamci_platform_data {
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unsigned int ocr_mask; /* available voltages */
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unsigned long detect_delay; /* delay in jiffies before detecting cards after interrupt */
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int (*init)(struct device *, irq_handler_t , void *);
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int (*get_ro)(struct device *);
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void (*setpower)(struct device *, unsigned int);
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void (*exit)(struct device *, void *);
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int gpio_card_detect; /* gpio detecting card insertion */
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int gpio_card_ro; /* gpio detecting read only toggle */
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bool gpio_card_ro_invert; /* gpio ro is inverted */
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int gpio_power; /* gpio powering up MMC bus */
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bool gpio_power_invert; /* gpio power is inverted */
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};
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extern void pxa_set_mci_info(struct pxamci_platform_data *info);
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extern void pxa3xx_set_mci2_info(struct pxamci_platform_data *info);
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extern void pxa3xx_set_mci3_info(struct pxamci_platform_data *info);
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#endif
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