diff options
| author | Klaus Goger <klaus.goger@theobroma-systems.com> | 2015-07-26 09:00:57 +0200 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-03-09 01:40:01 +0100 |
| commit | 3b4b97a21b539ee78e2bd39ca52a5456076ef5e3 (patch) | |
| tree | 11384d2a19972d4686e567447624025fbca02bcc | |
| parent | 0ea7c18e78004e79be5518342bbf37b3d89d777f (diff) | |
sunxi: pangolin: enable ATX power supply
when powered by ATX the SUS3 line must be HIGH to enable the ATX
power supply.
Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
| -rw-r--r-- | board/sunxi/board.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 6364315e56..dd00aaa75f 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -551,9 +551,24 @@ void sunxi_board_init(void) #endif #ifdef CONFIG_AXP221_POWER power_failed = axp221_init(); - power_failed |= axp221_write(0x8f,0x41); - power_failed |= axp221_write(0x30,0x66); - power_failed |= axp221_write(0x30,0x62); +#ifdef CONFIG_SUNXI_PANGOLIN + /* Enable ATX power supply */ + gpio_request(SUNXI_GPM(4), "SUS3"); + sunxi_gpio_set_cfgpin(SUNXI_GPM(4),SUNXI_GPIO_OUTPUT); + gpio_direction_output(SUNXI_GPM(4),1); + /* Force VBUS power path disable current limit*/ + power_failed |= axp221_write(0x30,0xE6); + /* wait for ATX power to be stable */ + gpio_request(SUNXI_GPM(6),"PWGIN"); + sunxi_gpio_set_cfgpin(SUNXI_GPM(6),SUNXI_GPIO_INPUT); + while(gpio_get_value(SUNXI_GPM(6))==0) + { + mdelay(100); + } + mdelay(500); /* let the power supply settle */ + power_failed |= axp221_write(0x8f,0x41); /* AC-VBUS shorten */ + power_failed |= axp221_write(0x30,0x62); /* disable force VBUS */ +#endif power_failed |= axp221_set_dcdc1(CONFIG_AXP221_DCDC1_VOLT); power_failed |= axp221_set_dcdc2(1200); /* A31:VDD-GPU, A23:VDD-SYS */ power_failed |= axp221_set_dcdc3(1200); /* VDD-CPU */ |