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ARM: mach-shmobile: mackerel: Add support get_cd in CN23

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Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Yusuke Goda 2011-01-07 09:48:36 +00:00 committed by Paul Mundt
parent e54be894ea
commit da5d1f4c90
1 changed files with 14 additions and 0 deletions
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14
arch/arm/mach-shmobile/board-mackerel.c
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@ -729,6 +729,15 @@ static struct platform_device sdhi1_device = {
};
#endif
/*
* The card detect pin of the top SD/MMC slot (CN23) is active low and is
* connected to GPIO SCIFB_SCK of SH7372 (GPIO_PORT162).
*/
static int slot_cn23_get_cd(struct platform_device *pdev)
{
return !gpio_get_value(GPIO_PORT162);
}
/* SDHI2 */
static struct sh_mobile_sdhi_info sdhi2_info = {
.dma_slave_tx = SHDMA_SLAVE_SDHI2_TX,
@ -736,6 +745,7 @@ static struct sh_mobile_sdhi_info sdhi2_info = {
.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED |
MMC_CAP_NEEDS_POLL,
.get_cd = slot_cn23_get_cd,
};
static struct resource sdhi2_resources[] = {
@ -1127,6 +1137,10 @@ static void __init mackerel_init(void)
gpio_request(GPIO_FN_SDHID2_1, NULL);
gpio_request(GPIO_FN_SDHID2_0, NULL);
/* card detect pin for microSD slot (CN23) */
gpio_request(GPIO_PORT162, NULL);
gpio_direction_input(GPIO_PORT162);
/* MMCIF */
gpio_request(GPIO_FN_MMCD0_0, NULL);
gpio_request(GPIO_FN_MMCD0_1, NULL);