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Exynos4412: pinmux: disable pull for MMC pins 

There are 8 pins for SD card in Exynos, but the MUX was configured
only for 7, since the one was used for card detection.
This caused the pin's pull wrong configuration.

This commit fixes this and the card detect can work properly,
after call this function.

Tested-on: Odroid U3 and Odroid X2.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Guillaume GARDET <guillaume.gardet@free.fr>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
utp
Przemyslaw Marczak 2015-10-28 15:41:49 +01:00 committed by Minkyu Kang
parent c48cb7ebfb
commit 5d0434315c
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-exynos/pinmux.c
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@ -737,10 +737,10 @@ static int exynos4x12_mmc_config(int peripheral, int flags)
return -1;
}
for (i = start; i < (start + 7); i++) {
gpio_set_pull(i, S5P_GPIO_PULL_NONE);
if (i == (start + 2))
continue;
gpio_cfg_pin(i, func);
gpio_set_pull(i, S5P_GPIO_PULL_NONE);
gpio_set_drv(i, S5P_GPIO_DRV_4X);
}
if (flags & PINMUX_FLAG_8BIT_MODE) {