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Commit ff279202 authored by Philipp Zabel's avatar Philipp Zabel Committed by Russell King
Browse files

[ARM] 5042/1: magician: request GPIOs for pda_power 



Signed-off-by: default avatarPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 6a566fbb

arch/arm/mach-pxa/magician.c

+41 −0
Original line number Diff line number Diff line
@@ -511,6 +511,37 @@ static struct platform_device pasic3 = { 
 * External power

 */



static int power_supply_init(struct device *dev)

{

	int ret;



	ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");

	if (ret)

		goto err_cs_ac;

	ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB");

	if (ret)

		goto err_cs_usb;

	ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN");

	if (ret)

		goto err_chg_en;

	ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN");

	if (!ret)

		ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0);

	if (ret)

		goto err_nchg_en;



	return 0;



err_nchg_en:

	gpio_free(EGPIO_MAGICIAN_CHARGE_EN);

err_chg_en:

	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);

err_cs_usb:

	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);

err_cs_ac:

	return ret;

}



static int magician_is_ac_online(void)

{

	return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
@@ -527,14 +558,24 @@ static void magician_set_charge(int flags) 
	gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);

}



static void power_supply_exit(struct device *dev)

{

	gpio_free(GPIO30_MAGICIAN_nCHARGE_EN);

	gpio_free(EGPIO_MAGICIAN_CHARGE_EN);

	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);

	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);

}



static char *magician_supplicants[] = {

	"ds2760-battery.0", "backup-battery"

};



static struct pda_power_pdata power_supply_info = {

	.init            = power_supply_init,

	.is_ac_online    = magician_is_ac_online,

	.is_usb_online   = magician_is_usb_online,

	.set_charge      = magician_set_charge,

	.exit            = power_supply_exit,

	.supplied_to     = magician_supplicants,

	.num_supplicants = ARRAY_SIZE(magician_supplicants),

};