diff options
Diffstat (limited to 'drivers/power/axp209.c')
| -rw-r--r-- | drivers/power/axp209.c | 46 |
1 files changed, 8 insertions, 38 deletions
diff --git a/drivers/power/axp209.c b/drivers/power/axp209.c index f8c9b77..1d7be49 100644 --- a/drivers/power/axp209.c +++ b/drivers/power/axp209.c @@ -7,45 +7,9 @@ #include <common.h> #include <i2c.h> +#include <asm/arch/gpio.h> #include <axp209.h> -enum axp209_reg { - AXP209_POWER_STATUS = 0x00, - AXP209_CHIP_VERSION = 0x03, - AXP209_DCDC2_VOLTAGE = 0x23, - AXP209_DCDC3_VOLTAGE = 0x27, - AXP209_LDO24_VOLTAGE = 0x28, - AXP209_LDO3_VOLTAGE = 0x29, - AXP209_IRQ_ENABLE1 = 0x40, - AXP209_IRQ_ENABLE2 = 0x41, - AXP209_IRQ_ENABLE3 = 0x42, - AXP209_IRQ_ENABLE4 = 0x43, - AXP209_IRQ_ENABLE5 = 0x44, - AXP209_IRQ_STATUS5 = 0x4c, - AXP209_SHUTDOWN = 0x32, - AXP209_GPIO0_CTRL = 0x90, - AXP209_GPIO1_CTRL = 0x92, - AXP209_GPIO2_CTRL = 0x93, - AXP209_GPIO_STATE = 0x94, - AXP209_GPIO3_CTRL = 0x95, -}; - -#define AXP209_POWER_STATUS_ON_BY_DC (1 << 0) - -#define AXP209_IRQ5_PEK_UP (1 << 6) -#define AXP209_IRQ5_PEK_DOWN (1 << 5) - -#define AXP209_POWEROFF (1 << 7) - -#define AXP209_GPIO_OUTPUT_LOW 0x00 /* Drive pin low */ -#define AXP209_GPIO_OUTPUT_HIGH 0x01 /* Drive pin high */ -#define AXP209_GPIO_INPUT 0x02 /* Float pin */ - -/* GPIO3 is different from the others */ -#define AXP209_GPIO3_OUTPUT_LOW 0x00 /* Drive pin low, Output mode */ -#define AXP209_GPIO3_OUTPUT_HIGH 0x02 /* Float pin, Output mode */ -#define AXP209_GPIO3_INPUT 0x06 /* Float pin, Input mode */ - static int axp209_write(enum axp209_reg reg, u8 val) { return i2c_write(0x34, reg, 1, &val, 1); @@ -205,6 +169,9 @@ static u8 axp209_get_gpio_ctrl_reg(unsigned int pin) int axp_gpio_direction_input(unsigned int pin) { + if (pin == SUNXI_GPIO_AXP0_VBUS_DETECT) + return 0; + u8 reg = axp209_get_gpio_ctrl_reg(pin); /* GPIO3 is "special" */ u8 val = (pin == 3) ? AXP209_GPIO3_INPUT : AXP209_GPIO_INPUT; @@ -232,7 +199,10 @@ int axp_gpio_get_value(unsigned int pin) u8 val, mask; int rc; - if (pin == 3) { + if (pin == SUNXI_GPIO_AXP0_VBUS_DETECT) { + rc = axp209_read(AXP209_POWER_STATUS, &val); + mask = AXP209_POWER_STATUS_VBUS_USABLE; + } else if (pin == 3) { rc = axp209_read(AXP209_GPIO3_CTRL, &val); mask = 1; } else { |