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ARM: n30: Add support for power on/off on Acer n30 / Acer n35 MMC card reader 

Signed-off-by: Jiri Pinkava <jiri.pinkava@vscht.cz>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Pinkava J 2010-05-06 15:23:24 +02:00 committed by Ben Dooks
parent 50cdba782c
commit 271d323237
1 changed files with 15 additions and 0 deletions
arch/arm/mach-s3c2410
mach-n30.c

15
arch/arm/mach-s3c2410/mach-n30.c
View File

@ -352,10 +352,25 @@ static struct s3c2410fb_mach_info n30_fb_info __initdata = {
.lpcsel = 0x06, .lpcsel = 0x06,
}; };
static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
{
switch (power_mode) {
case MMC_POWER_ON:
case MMC_POWER_UP:
s3c2410_gpio_setpin(S3C2410_GPG(4), 1);
break;
case MMC_POWER_OFF:
default:
s3c2410_gpio_setpin(S3C2410_GPG(4), 0);
break;
}
}
static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = { static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
.gpio_detect = S3C2410_GPF(1), .gpio_detect = S3C2410_GPF(1),
.gpio_wprotect = S3C2410_GPG(10), .gpio_wprotect = S3C2410_GPG(10),
.ocr_avail = MMC_VDD_32_33, .ocr_avail = MMC_VDD_32_33,
.set_power = n30_sdi_set_power,
}; };
static struct platform_device *n30_devices[] __initdata = { static struct platform_device *n30_devices[] __initdata = {