From ed8303fc111e58530e22bd29b0d7e08dced75999 Mon Sep 17 00:00:00 2001
From: "stanley.miao" <stanley.miao@windriver.com>
Date: Thu, 13 May 2010 12:39:30 +0000
Subject: [PATCH] omap: init the gpio pinmux for mmc
There is two gpio for mmc use, one is for card detecting, another is
used for checking write protect. Intialize its pinmux in case the bootloader
doesn't set it.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/devices.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 10f3a3c58cc0..3d30f22c4c88 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -591,6 +591,15 @@ static inline void omap_hsmmc_reset(void) {}
static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
int controller_nr)
{
+ if ((mmc_controller->slots[0].switch_pin > 0) && \
+ (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
+ omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
+ OMAP_PIN_INPUT_PULLUP);
+ if ((mmc_controller->slots[0].gpio_wp > 0) && \
+ (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
+ omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
+ OMAP_PIN_INPUT_PULLUP);
+
if (cpu_is_omap2420() && controller_nr == 0) {
omap_cfg_reg(H18_24XX_MMC_CMD);
omap_cfg_reg(H15_24XX_MMC_CLKI);
--
2.30.9