u-boot/include/axp221.h
Hans de Goede 2abac6213d sunxi: axp221: Add support for controlling the drivebus pin
The axp221 / axp223's N_VBUSEN pin can be configured as an output rather
then an input, add axp_drivebus_enable() and _disable() functions to set
the pin in output mode and control it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
2015-01-14 14:56:40 +01:00

75 lines
2.4 KiB
C

/*
* (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
*
* X-Powers AXP221 Power Management IC driver
*
* SPDX-License-Identifier: GPL-2.0+
*/
#define AXP221_CHIP_ADDR 0x68
#define AXP221_CTRL_ADDR 0x3e
#define AXP221_INIT_DATA 0x3e
#define AXP223_DEVICE_ADDR 0x3a3
#define AXP223_RUNTIME_ADDR 0x2d
#define AXP223_DEVICE_MODE_DATA 0x7c3e00
/* Page 0 addresses */
#define AXP221_CHIP_ID 0x03
#define AXP221_OUTPUT_CTRL1 0x10
#define AXP221_OUTPUT_CTRL1_DCDC0_EN (1 << 0)
#define AXP221_OUTPUT_CTRL1_DCDC1_EN (1 << 1)
#define AXP221_OUTPUT_CTRL1_DCDC2_EN (1 << 2)
#define AXP221_OUTPUT_CTRL1_DCDC3_EN (1 << 3)
#define AXP221_OUTPUT_CTRL1_DCDC4_EN (1 << 4)
#define AXP221_OUTPUT_CTRL1_DCDC5_EN (1 << 5)
#define AXP221_OUTPUT_CTRL1_ALDO1_EN (1 << 6)
#define AXP221_OUTPUT_CTRL1_ALDO2_EN (1 << 7)
#define AXP221_OUTPUT_CTRL2 0x12
#define AXP221_OUTPUT_CTRL2_DLDO1_EN (1 << 3)
#define AXP221_OUTPUT_CTRL2_DLDO2_EN (1 << 4)
#define AXP221_OUTPUT_CTRL2_DLDO3_EN (1 << 5)
#define AXP221_OUTPUT_CTRL2_DLDO4_EN (1 << 6)
#define AXP221_OUTPUT_CTRL2_DCDC1SW_EN (1 << 7)
#define AXP221_OUTPUT_CTRL3 0x13
#define AXP221_OUTPUT_CTRL3_ALDO3_EN (1 << 7)
#define AXP221_DLDO1_CTRL 0x15
#define AXP221_DLDO2_CTRL 0x16
#define AXP221_DLDO3_CTRL 0x17
#define AXP221_DLDO4_CTRL 0x18
#define AXP221_DCDC1_CTRL 0x21
#define AXP221_DCDC2_CTRL 0x22
#define AXP221_DCDC3_CTRL 0x23
#define AXP221_DCDC4_CTRL 0x24
#define AXP221_DCDC5_CTRL 0x25
#define AXP221_ALDO1_CTRL 0x28
#define AXP221_ALDO2_CTRL 0x29
#define AXP221_ALDO3_CTRL 0x2a
#define AXP221_VBUS_IPSOUT 0x30
#define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2)
#define AXP221_MISC_CTRL 0x8f
#define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4)
#define AXP221_PAGE 0xff
/* Page 1 addresses */
#define AXP221_SID 0x20
/* We support drivebus control */
#define AXP_DRIVEBUS
int axp221_set_dcdc1(unsigned int mvolt);
int axp221_set_dcdc2(unsigned int mvolt);
int axp221_set_dcdc3(unsigned int mvolt);
int axp221_set_dcdc4(unsigned int mvolt);
int axp221_set_dcdc5(unsigned int mvolt);
int axp221_set_dldo1(unsigned int mvolt);
int axp221_set_dldo2(unsigned int mvolt);
int axp221_set_dldo3(unsigned int mvolt);
int axp221_set_dldo4(unsigned int mvolt);
int axp221_set_aldo1(unsigned int mvolt);
int axp221_set_aldo2(unsigned int mvolt);
int axp221_set_aldo3(unsigned int mvolt);
int axp221_init(void);
int axp221_get_sid(unsigned int *sid);
int axp_drivebus_enable(void);
int axp_drivebus_disable(void);