diff options
| author | Philipp Zabel <philipp.zabel@gmail.com> | 2008-05-22 13:14:21 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-10 00:32:52 +0400 |
| commit | ff279202781c473545862918a8ef1f4ef7712e47 (patch) | |
| tree | 0cec79e931d3d770e88f82d9dfd089bd78ae1ce1 /arch/arm/mach-pxa/magician.c | |
| parent | 6a566fbbcc902df6c9c4dc151bf399018083fb10 (diff) | |
| download | linux-ff279202781c473545862918a8ef1f4ef7712e47.tar.xz | |
[ARM] 5042/1: magician: request GPIOs for pda_power
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/magician.c')
| -rw-r--r-- | arch/arm/mach-pxa/magician.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 01b2fa790217..595e8c4902f6 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -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), }; |