Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2025-02-18 06:58:54 +00:00
Code Issues Projects Releases Packages Wiki Activity

Exynos4412: pinmux: disable pull for MMC pins

Browse source 
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>
This commit is contained in:
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
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/arm/mach-exynos/pinmux.c
View file

@ -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) {