1 /* 2 * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 enum axp209_reg { 8 AXP209_POWER_STATUS = 0x00, 9 AXP209_CHIP_VERSION = 0x03, 10 AXP209_DCDC2_VOLTAGE = 0x23, 11 AXP209_DCDC3_VOLTAGE = 0x27, 12 AXP209_LDO24_VOLTAGE = 0x28, 13 AXP209_LDO3_VOLTAGE = 0x29, 14 AXP209_IRQ_ENABLE1 = 0x40, 15 AXP209_IRQ_ENABLE2 = 0x41, 16 AXP209_IRQ_ENABLE3 = 0x42, 17 AXP209_IRQ_ENABLE4 = 0x43, 18 AXP209_IRQ_ENABLE5 = 0x44, 19 AXP209_IRQ_STATUS5 = 0x4c, 20 AXP209_SHUTDOWN = 0x32, 21 AXP209_GPIO0_CTRL = 0x90, 22 AXP209_GPIO1_CTRL = 0x92, 23 AXP209_GPIO2_CTRL = 0x93, 24 AXP209_GPIO_STATE = 0x94, 25 AXP209_GPIO3_CTRL = 0x95, 26 }; 27 28 #define AXP209_POWER_STATUS_ON_BY_DC (1 << 0) 29 #define AXP209_POWER_STATUS_VBUS_USABLE (1 << 4) 30 31 #define AXP209_IRQ5_PEK_UP (1 << 6) 32 #define AXP209_IRQ5_PEK_DOWN (1 << 5) 33 34 #define AXP209_POWEROFF (1 << 7) 35 36 #define AXP209_GPIO_OUTPUT_LOW 0x00 /* Drive pin low */ 37 #define AXP209_GPIO_OUTPUT_HIGH 0x01 /* Drive pin high */ 38 #define AXP209_GPIO_INPUT 0x02 /* Float pin */ 39 40 /* GPIO3 is different from the others */ 41 #define AXP209_GPIO3_OUTPUT_LOW 0x00 /* Drive pin low, Output mode */ 42 #define AXP209_GPIO3_OUTPUT_HIGH 0x02 /* Float pin, Output mode */ 43 #define AXP209_GPIO3_INPUT 0x06 /* Float pin, Input mode */ 44 45 #define AXP_GPIO 46 47 extern int axp209_set_dcdc2(int mvolt); 48 extern int axp209_set_dcdc3(int mvolt); 49 extern int axp209_set_ldo2(int mvolt); 50 extern int axp209_set_ldo3(int mvolt); 51 extern int axp209_set_ldo4(int mvolt); 52 extern int axp209_init(void); 53 extern int axp209_poweron_by_dc(void); 54 extern int axp209_power_button(void); 55 56 extern int axp_gpio_direction_input(unsigned int pin); 57 extern int axp_gpio_direction_output(unsigned int pin, unsigned int val); 58 extern int axp_gpio_get_value(unsigned int pin); 59 extern int axp_gpio_set_value(unsigned int pin, unsigned int val); 60