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authorDavid Brownell <dbrownell@users.sourceforge.net>2009-01-09 02:02:42 +0100
committerSamuel Ortiz <samuel@sortiz.org>2009-01-11 01:34:25 +0100
commitd1fdb4f6fbb155af88363bc949a35daa11872d9f (patch)
tree50187b940ec8c66f325dffad9a9e3580d1f1366c /drivers/mfd/dm355evm_msp.c
parent5ec271e745350c7df6a6ebca24b43cb7a10bfa4a (diff)
downloadlinux-d1fdb4f6fbb155af88363bc949a35daa11872d9f.tar.bz2
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>
Diffstat (limited to 'drivers/mfd/dm355evm_msp.c')
-rw-r--r--drivers/mfd/dm355evm_msp.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c
index 4214b3f72426..7ac12cb0be4a 100644
--- a/drivers/mfd/dm355evm_msp.c
+++ b/drivers/mfd/dm355evm_msp.c
@@ -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",