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This converts the VBUS detection and enable logic to GPIO instead of separate axp functions and checks that have to be used aside usual GPIO functions. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*
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* (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
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*
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* X-Powers AXP221 Power Management IC driver
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#define AXP221_CHIP_ADDR 0x68
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#define AXP221_CTRL_ADDR 0x3e
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#define AXP221_INIT_DATA 0x3e
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#define AXP223_DEVICE_ADDR 0x3a3
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#define AXP223_RUNTIME_ADDR 0x2d
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/* Page 0 addresses */
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#define AXP221_POWER_STATUS 0x00
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#define AXP221_POWER_STATUS_VBUS_AVAIL (1 << 5)
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#define AXP221_POWER_STATUS_VBUS_USABLE (1 << 4)
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#define AXP221_CHIP_ID 0x03
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#define AXP221_OUTPUT_CTRL1 0x10
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#define AXP221_OUTPUT_CTRL1_DCDC0_EN (1 << 0)
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#define AXP221_OUTPUT_CTRL1_DCDC1_EN (1 << 1)
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#define AXP221_OUTPUT_CTRL1_DCDC2_EN (1 << 2)
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#define AXP221_OUTPUT_CTRL1_DCDC3_EN (1 << 3)
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#define AXP221_OUTPUT_CTRL1_DCDC4_EN (1 << 4)
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#define AXP221_OUTPUT_CTRL1_DCDC5_EN (1 << 5)
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#define AXP221_OUTPUT_CTRL1_ALDO1_EN (1 << 6)
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#define AXP221_OUTPUT_CTRL1_ALDO2_EN (1 << 7)
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#define AXP221_OUTPUT_CTRL2 0x12
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#define AXP221_OUTPUT_CTRL2_ELDO1_EN (1 << 0)
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#define AXP221_OUTPUT_CTRL2_ELDO2_EN (1 << 1)
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#define AXP221_OUTPUT_CTRL2_ELDO3_EN (1 << 2)
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#define AXP221_OUTPUT_CTRL2_DLDO1_EN (1 << 3)
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#define AXP221_OUTPUT_CTRL2_DLDO2_EN (1 << 4)
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#define AXP221_OUTPUT_CTRL2_DLDO3_EN (1 << 5)
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#define AXP221_OUTPUT_CTRL2_DLDO4_EN (1 << 6)
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#define AXP221_OUTPUT_CTRL2_DCDC1SW_EN (1 << 7)
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#define AXP221_OUTPUT_CTRL3 0x13
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#define AXP221_OUTPUT_CTRL3_ALDO3_EN (1 << 7)
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#define AXP221_DLDO1_CTRL 0x15
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#define AXP221_DLDO2_CTRL 0x16
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#define AXP221_DLDO3_CTRL 0x17
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#define AXP221_DLDO4_CTRL 0x18
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#define AXP221_ELDO1_CTRL 0x19
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#define AXP221_ELDO2_CTRL 0x1a
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#define AXP221_ELDO3_CTRL 0x1b
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#define AXP221_DCDC1_CTRL 0x21
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#define AXP221_DCDC2_CTRL 0x22
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#define AXP221_DCDC3_CTRL 0x23
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#define AXP221_DCDC4_CTRL 0x24
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#define AXP221_DCDC5_CTRL 0x25
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#define AXP221_ALDO1_CTRL 0x28
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#define AXP221_ALDO2_CTRL 0x29
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#define AXP221_ALDO3_CTRL 0x2a
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#define AXP221_VBUS_IPSOUT 0x30
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#define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2)
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#define AXP221_MISC_CTRL 0x8f
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#define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4)
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#define AXP221_PAGE 0xff
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/* Page 1 addresses */
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#define AXP221_SID 0x20
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#define AXP_GPIO
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int axp221_set_dcdc1(unsigned int mvolt);
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int axp221_set_dcdc2(unsigned int mvolt);
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int axp221_set_dcdc3(unsigned int mvolt);
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int axp221_set_dcdc4(unsigned int mvolt);
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int axp221_set_dcdc5(unsigned int mvolt);
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int axp221_set_dldo1(unsigned int mvolt);
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int axp221_set_dldo2(unsigned int mvolt);
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int axp221_set_dldo3(unsigned int mvolt);
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int axp221_set_dldo4(unsigned int mvolt);
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int axp221_set_aldo1(unsigned int mvolt);
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int axp221_set_aldo2(unsigned int mvolt);
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int axp221_set_aldo3(unsigned int mvolt);
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int axp221_set_eldo(int eldo_num, unsigned int mvolt);
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int axp221_init(void);
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int axp221_get_sid(unsigned int *sid);
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int axp_gpio_direction_input(unsigned int pin);
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int axp_gpio_direction_output(unsigned int pin, unsigned int val);
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int axp_gpio_get_value(unsigned int pin);
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int axp_gpio_set_value(unsigned int pin, unsigned int val);
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