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mfd: dm355 evm MMC/SD card detection 

Support card detect and writeprotect switches on DM355 EVM.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
This commit is contained in:
David Brownell 2009-01-09 02:02:42 +01:00 committed by Samuel Ortiz
parent 5ec271e745
commit d1fdb4f6fb
1 changed files with 10 additions and 0 deletions
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10
drivers/mfd/dm355evm_msp.c
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@ -107,6 +107,9 @@ static const u8 msp_gpios[] = {
MSP_GPIO(0, SWITCH1), MSP_GPIO(1, SWITCH1),
MSP_GPIO(2, SWITCH1), MSP_GPIO(3, SWITCH1),
MSP_GPIO(4, SWITCH1),
/* switches on MMC/SD sockets */
MSP_GPIO(1, SDMMC), MSP_GPIO(2, SDMMC), /* mmc0 WP, nCD */
MSP_GPIO(3, SDMMC), MSP_GPIO(4, SDMMC), /* mmc1 WP, nCD */
};
#define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3)
@ -304,6 +307,13 @@ static int add_children(struct i2c_client *client)
gpio_export(gpio, false);
}
/* MMC/SD inputs -- right after the last config input */
if (client->dev.platform_data) {
void (*mmcsd_setup)(unsigned) = client->dev.platform_data;
mmcsd_setup(dm355evm_msp_gpio.base + 8 + 5);
}
/* RTC is a 32 bit counter, no alarm */
if (msp_has_rtc()) {
child = add_child(client, "rtc-dm355evm",