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Commit 192ff91f authored by Vasily Khoruzhick's avatar Vasily Khoruzhick Committed by Ben Dooks
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ARM: RX1950: configure GPG13-15 as input before suspend 



According to datasheet GPG13-15 must be configured as input in NAND
boot mode, otherwise device will not be able to wake up

Signed-off-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 0741b7d2

arch/arm/mach-s3c2410/pm.c

+11 −0
Original line number Diff line number Diff line
@@ -79,6 +79,17 @@ static void s3c2410_pm_prepare(void) 
	if ( machine_is_aml_m5900() )

		s3c2410_gpio_setpin(S3C2410_GPF(2), 1);



	if (machine_is_rx1950()) {

		/* According to S3C2442 user's manual, page 7-17,

		 * when the system is operating in NAND boot mode,

		 * the hardware pin configuration - EINT[23:21] –

		 * must be set as input for starting up after

		 * wakeup from sleep mode

		 */

		s3c_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_INPUT);

		s3c_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPIO_INPUT);

		s3c_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPIO_INPUT);

	}

}



static int s3c2410_pm_resume(struct sys_device *dev)