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[ARM] pxa: add MMC support for Colibri PXA300 

Added MMC support for Toradex' Colibri PXA300 module.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Daniel Mack 2009-03-13 16:37:10 +01:00 committed by Eric Miao
parent 5fc9f9a1de
commit ebc046c2a3
1 changed files with 58 additions and 0 deletions
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58
arch/arm/mach-pxa/colibri-pxa300.c
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@ -21,6 +21,7 @@
#include <mach/pxa300.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include "generic.h"
#include "devices.h"
@ -31,6 +32,15 @@
static mfp_cfg_t colibri_pxa300_pin_config[] __initdata = {
GPIO1_nCS2, /* AX88796 chip select */
GPIO26_GPIO | MFP_PULL_HIGH, /* AX88796 IRQ */
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
GPIO7_MMC1_CLK,
GPIO14_MMC1_CMD,
GPIO3_MMC1_DAT0,
GPIO4_MMC1_DAT1,
GPIO5_MMC1_DAT2,
GPIO6_MMC1_DAT3,
#endif
};
#if defined(CONFIG_AX88796)
@ -80,11 +90,59 @@ static struct platform_device *colibri_pxa300_devices[] __initdata = {
#endif
};
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
#define MMC_DETECT_PIN mfp_to_gpio(MFP_PIN_GPIO13)
static int colibri_pxa300_mci_init(struct device *dev,
irq_handler_t colibri_mmc_detect_int,
void *data)
{
int ret;
ret = gpio_request(MMC_DETECT_PIN, "mmc card detect");
if (ret)
return ret;
gpio_direction_input(MMC_DETECT_PIN);
ret = request_irq(gpio_to_irq(MMC_DETECT_PIN), colibri_mmc_detect_int,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
if (ret) {
gpio_free(MMC_DETECT_PIN);
return ret;
}
return 0;
}
static void colibri_pxa300_mci_exit(struct device *dev, void *data)
{
free_irq(MMC_DETECT_PIN, data);
gpio_free(gpio_to_irq(MMC_DETECT_PIN));
}
static struct pxamci_platform_data colibri_pxa300_mci_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.init = colibri_pxa300_mci_init,
.exit = colibri_pxa300_mci_exit,
};
static void __init colibri_pxa300_init_mmc(void)
{
pxa_set_mci_info(&colibri_pxa300_mci_platform_data);
}
#else
static inline void colibri_pxa300_init_mmc(void) {}
#endif /* CONFIG_MMC_PXA */
static void __init colibri_pxa300_init(void)
{
set_irq_type(COLIBRI_PXA300_ETH_IRQ, IRQ_TYPE_EDGE_FALLING);
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_pin_config));
platform_add_devices(ARRAY_AND_SIZE(colibri_pxa300_devices));
colibri_pxa300_init_mmc();
}
MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")