From da5d1f4c9001c0aa2092019bdfa8f41e9985d163 Mon Sep 17 00:00:00 2001 From: Yusuke Goda Date: Fri, 7 Jan 2011 09:48:36 +0000 Subject: ARM: mach-shmobile: mackerel: Add support get_cd in CN23 Signed-off-by: Yusuke Goda Signed-off-by: Paul Mundt --- arch/arm/mach-shmobile/board-mackerel.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 5bcf5c1e1399..f0547dcb1d8c 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -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); -- cgit v1.2.3