Commit d1fdb4f6 authored by David Brownell's avatar David Brownell Committed by Samuel Ortiz
Browse files

mfd: dm355 evm MMC/SD card detection 



Support card detect and writeprotect switches on DM355 EVM.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@openedhand.com>
parent 5ec271e7

drivers/mfd/dm355evm_msp.c

+10 −0
Original line number Diff line number Diff line
@@ -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",