1 /* 2 * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl> 3 * 4 * X-Powers AXP221 Power Management IC driver 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #define AXP221_CHIP_ADDR 0x68 10 #define AXP221_CTRL_ADDR 0x3e 11 #define AXP221_INIT_DATA 0x3e 12 13 #define AXP223_DEVICE_ADDR 0x3a3 14 #define AXP223_RUNTIME_ADDR 0x2d 15 16 /* Page 0 addresses */ 17 #define AXP221_POWER_STATUS 0x00 18 #define AXP221_POWER_STATUS_VBUS_AVAIL (1 << 5) 19 #define AXP221_POWER_STATUS_VBUS_USABLE (1 << 4) 20 #define AXP221_CHIP_ID 0x03 21 #define AXP221_OUTPUT_CTRL1 0x10 22 #define AXP221_OUTPUT_CTRL1_DCDC0_EN (1 << 0) 23 #define AXP221_OUTPUT_CTRL1_DCDC1_EN (1 << 1) 24 #define AXP221_OUTPUT_CTRL1_DCDC2_EN (1 << 2) 25 #define AXP221_OUTPUT_CTRL1_DCDC3_EN (1 << 3) 26 #define AXP221_OUTPUT_CTRL1_DCDC4_EN (1 << 4) 27 #define AXP221_OUTPUT_CTRL1_DCDC5_EN (1 << 5) 28 #define AXP221_OUTPUT_CTRL1_ALDO1_EN (1 << 6) 29 #define AXP221_OUTPUT_CTRL1_ALDO2_EN (1 << 7) 30 #define AXP221_OUTPUT_CTRL2 0x12 31 #define AXP221_OUTPUT_CTRL2_ELDO1_EN (1 << 0) 32 #define AXP221_OUTPUT_CTRL2_ELDO2_EN (1 << 1) 33 #define AXP221_OUTPUT_CTRL2_ELDO3_EN (1 << 2) 34 #define AXP221_OUTPUT_CTRL2_DLDO1_EN (1 << 3) 35 #define AXP221_OUTPUT_CTRL2_DLDO2_EN (1 << 4) 36 #define AXP221_OUTPUT_CTRL2_DLDO3_EN (1 << 5) 37 #define AXP221_OUTPUT_CTRL2_DLDO4_EN (1 << 6) 38 #define AXP221_OUTPUT_CTRL2_DCDC1SW_EN (1 << 7) 39 #define AXP221_OUTPUT_CTRL3 0x13 40 #define AXP221_OUTPUT_CTRL3_ALDO3_EN (1 << 7) 41 #define AXP221_DLDO1_CTRL 0x15 42 #define AXP221_DLDO2_CTRL 0x16 43 #define AXP221_DLDO3_CTRL 0x17 44 #define AXP221_DLDO4_CTRL 0x18 45 #define AXP221_ELDO1_CTRL 0x19 46 #define AXP221_ELDO2_CTRL 0x1a 47 #define AXP221_ELDO3_CTRL 0x1b 48 #define AXP221_DCDC1_CTRL 0x21 49 #define AXP221_DCDC2_CTRL 0x22 50 #define AXP221_DCDC3_CTRL 0x23 51 #define AXP221_DCDC4_CTRL 0x24 52 #define AXP221_DCDC5_CTRL 0x25 53 #define AXP221_ALDO1_CTRL 0x28 54 #define AXP221_ALDO2_CTRL 0x29 55 #define AXP221_ALDO3_CTRL 0x2a 56 #define AXP221_VBUS_IPSOUT 0x30 57 #define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2) 58 #define AXP221_MISC_CTRL 0x8f 59 #define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4) 60 #define AXP221_PAGE 0xff 61 62 /* Page 1 addresses */ 63 #define AXP221_SID 0x20 64 65 #define AXP_GPIO 66 67 int axp221_set_dcdc1(unsigned int mvolt); 68 int axp221_set_dcdc2(unsigned int mvolt); 69 int axp221_set_dcdc3(unsigned int mvolt); 70 int axp221_set_dcdc4(unsigned int mvolt); 71 int axp221_set_dcdc5(unsigned int mvolt); 72 int axp221_set_dldo1(unsigned int mvolt); 73 int axp221_set_dldo2(unsigned int mvolt); 74 int axp221_set_dldo3(unsigned int mvolt); 75 int axp221_set_dldo4(unsigned int mvolt); 76 int axp221_set_aldo1(unsigned int mvolt); 77 int axp221_set_aldo2(unsigned int mvolt); 78 int axp221_set_aldo3(unsigned int mvolt); 79 int axp221_set_eldo(int eldo_num, unsigned int mvolt); 80 int axp221_init(void); 81 int axp221_get_sid(unsigned int *sid); 82 83 int axp_gpio_direction_input(unsigned int pin); 84 int axp_gpio_direction_output(unsigned int pin, unsigned int val); 85 int axp_gpio_get_value(unsigned int pin); 86 int axp_gpio_set_value(unsigned int pin, unsigned int val); 87