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ARM: mxs/mx23evk: add mmc device 

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
[sha: updated to Uwes v4 version]
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Shawn Guo 2011-02-22 16:49:19 +08:00 committed by Sascha Hauer
parent 47babe692e
commit 1b6f1e885e
2 changed files with 45 additions and 0 deletions
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1
arch/arm/mach-mxs/Kconfig
View File

@ -22,6 +22,7 @@ config MACH_MX23EVK
select SOC_IMX23
select MXS_HAVE_AMBA_DUART
select MXS_HAVE_PLATFORM_AUART
select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
default y
help

44
arch/arm/mach-mxs/mach-mx23evk.c
View File

@ -28,6 +28,8 @@
#define MX23EVK_LCD_ENABLE MXS_GPIO_NR(1, 18)
#define MX23EVK_BL_ENABLE MXS_GPIO_NR(1, 28)
#define MX23EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30)
#define MX23EVK_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29)
static const iomux_cfg_t mx23evk_pads[] __initconst = {
/* duart */
@ -73,6 +75,36 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL,
/* backlight control */
MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,
/* mmc */
MX23_PAD_SSP1_DATA0__SSP1_DATA0 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DATA1__SSP1_DATA1 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DATA2__SSP1_DATA2 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DATA3__SSP1_DATA3 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_GPMI_D08__SSP1_DATA4 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_GPMI_D09__SSP1_DATA5 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_GPMI_D10__SSP1_DATA6 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_GPMI_D11__SSP1_DATA7 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_CMD__SSP1_CMD |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DETECT__SSP1_DETECT |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_SSP1_SCK__SSP1_SCK |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
/* write protect */
MX23_PAD_PWM4__GPIO_1_30 |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
/* slot power enable */
MX23_PAD_PWM3__GPIO_1_29 |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};
/* mxsfb (lcdif) */
@ -101,6 +133,11 @@ static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = {
.ld_intf_width = STMLCDIF_24BIT,
};
static struct mxs_mmc_platform_data mx23evk_mmc_pdata __initdata = {
.wp_gpio = MX23EVK_MMC0_WRITE_PROTECT,
.flags = SLOTF_8_BIT_CAPABLE,
};
static void __init mx23evk_init(void)
{
int ret;
@ -110,6 +147,13 @@ static void __init mx23evk_init(void)
mx23_add_duart();
mx23_add_auart0();
/* power on mmc slot by writing 0 to the gpio */
ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT,
"mmc0-slot-power");
if (ret)
pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata);
ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);