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msm: board-8064: Enable pull-up for SD card detect

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On some targets, bootloaders may configure the SD
card detect GPIO as pull-down. Explicitly enable
pull-up for so we can detect card insertion and
removal.

CRs-Fixed: 371313
Change-Id: I98be563858df163e970dc26b37eb394977522772
Signed-off-by: Oluwafemi Adeyemi <aadeyemi@codeaurora.org>
This commit is contained in:
Oluwafemi Adeyemi
2012-06-26 17:28:21 -07:00
committed by Stephen Boyd
parent b4a94eef5f
commit 2fa2bee596
1 changed files with 19 additions and 0 deletions
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19
arch/arm/mach-msm/board-8064-gpiomux.c
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@@ -1182,6 +1182,22 @@ static struct msm_gpiomux_config apq8064_sdc4_configs[] __initdata = {
};
#endif
static struct gpiomux_setting apq8064_sdc3_card_det_cfg = {
.func = GPIOMUX_FUNC_GPIO,
.drv = GPIOMUX_DRV_2MA,
.pull = GPIOMUX_PULL_UP,
};
static struct msm_gpiomux_config apq8064_sdc3_configs[] __initdata = {
{
.gpio = 26,
.settings = {
[GPIOMUX_SUSPENDED] = &apq8064_sdc3_card_det_cfg,
[GPIOMUX_ACTIVE] = &apq8064_sdc3_card_det_cfg,
},
},
};
void __init apq8064_init_gpiomux(void)
{
int rc;
@@ -1273,4 +1289,7 @@ void __init apq8064_init_gpiomux(void)
msm_gpiomux_install(apq8064_sdc4_configs,
ARRAY_SIZE(apq8064_sdc4_configs));
#endif
msm_gpiomux_install(apq8064_sdc3_configs,
ARRAY_SIZE(apq8064_sdc3_configs));
}