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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
129 lines
4 KiB
C
129 lines
4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* supply.h -- Power Supply Driver for Wolfson WM8350 PMIC
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*
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* Copyright 2007 Wolfson Microelectronics PLC
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*/
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#ifndef __LINUX_MFD_WM8350_SUPPLY_H_
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#define __LINUX_MFD_WM8350_SUPPLY_H_
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#include <linux/mutex.h>
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#include <linux/power_supply.h>
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/*
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* Charger registers
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*/
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#define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8
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#define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9
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#define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA
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/*
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* R168 (0xA8) - Battery Charger Control 1
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*/
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#define WM8350_CHG_ENA_R168 0x8000
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#define WM8350_CHG_THR 0x2000
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#define WM8350_CHG_EOC_SEL_MASK 0x1C00
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#define WM8350_CHG_TRICKLE_TEMP_CHOKE 0x0200
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#define WM8350_CHG_TRICKLE_USB_CHOKE 0x0100
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#define WM8350_CHG_RECOVER_T 0x0080
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#define WM8350_CHG_END_ACT 0x0040
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#define WM8350_CHG_FAST 0x0020
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#define WM8350_CHG_FAST_USB_THROTTLE 0x0010
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#define WM8350_CHG_NTC_MON 0x0008
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#define WM8350_CHG_BATT_HOT_MON 0x0004
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#define WM8350_CHG_BATT_COLD_MON 0x0002
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#define WM8350_CHG_CHIP_TEMP_MON 0x0001
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/*
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* R169 (0xA9) - Battery Charger Control 2
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*/
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#define WM8350_CHG_ACTIVE 0x8000
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#define WM8350_CHG_PAUSE 0x4000
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#define WM8350_CHG_STS_MASK 0x3000
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#define WM8350_CHG_TIME_MASK 0x0F00
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#define WM8350_CHG_MASK_WALL_FB 0x0080
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#define WM8350_CHG_TRICKLE_SEL 0x0040
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#define WM8350_CHG_VSEL_MASK 0x0030
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#define WM8350_CHG_ISEL_MASK 0x000F
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#define WM8350_CHG_STS_OFF 0x0000
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#define WM8350_CHG_STS_TRICKLE 0x1000
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#define WM8350_CHG_STS_FAST 0x2000
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/*
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* R170 (0xAA) - Battery Charger Control 3
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*/
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#define WM8350_CHG_THROTTLE_T_MASK 0x0060
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#define WM8350_CHG_SMART 0x0010
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#define WM8350_CHG_TIMER_ADJT_MASK 0x000F
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/*
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* Charger Interrupts
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*/
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#define WM8350_IRQ_CHG_BAT_HOT 0
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#define WM8350_IRQ_CHG_BAT_COLD 1
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#define WM8350_IRQ_CHG_BAT_FAIL 2
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#define WM8350_IRQ_CHG_TO 3
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#define WM8350_IRQ_CHG_END 4
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#define WM8350_IRQ_CHG_START 5
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#define WM8350_IRQ_CHG_FAST_RDY 6
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#define WM8350_IRQ_CHG_VBATT_LT_3P9 10
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#define WM8350_IRQ_CHG_VBATT_LT_3P1 11
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#define WM8350_IRQ_CHG_VBATT_LT_2P85 12
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/*
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* Charger Policy
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*/
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#define WM8350_CHG_TRICKLE_50mA (0 << 6)
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#define WM8350_CHG_TRICKLE_100mA (1 << 6)
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#define WM8350_CHG_4_05V (0 << 4)
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#define WM8350_CHG_4_10V (1 << 4)
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#define WM8350_CHG_4_15V (2 << 4)
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#define WM8350_CHG_4_20V (3 << 4)
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#define WM8350_CHG_FAST_LIMIT_mA(x) ((x / 50) & 0xf)
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#define WM8350_CHG_EOC_mA(x) (((x - 10) & 0x7) << 10)
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#define WM8350_CHG_TRICKLE_3_1V (0 << 13)
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#define WM8350_CHG_TRICKLE_3_9V (1 << 13)
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/*
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* Supply Registers.
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*/
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#define WM8350_USB_VOLTAGE_READBACK 0x9C
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#define WM8350_LINE_VOLTAGE_READBACK 0x9D
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#define WM8350_BATT_VOLTAGE_READBACK 0x9E
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/*
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* Supply Interrupts.
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*/
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#define WM8350_IRQ_USB_LIMIT 15
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#define WM8350_IRQ_EXT_USB_FB 36
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#define WM8350_IRQ_EXT_WALL_FB 37
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#define WM8350_IRQ_EXT_BAT_FB 38
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/*
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* Policy to control charger state machine.
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*/
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struct wm8350_charger_policy {
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/* charger state machine policy - set in machine driver */
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int eoc_mA; /* end of charge current (mA) */
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int charge_mV; /* charge voltage */
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int fast_limit_mA; /* fast charge current limit */
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int fast_limit_USB_mA; /* USB fast charge current limit */
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int charge_timeout; /* charge timeout (mins) */
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int trickle_start_mV; /* trickle charge starts at mV */
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int trickle_charge_mA; /* trickle charge current */
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int trickle_charge_USB_mA; /* USB trickle charge current */
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};
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struct wm8350_power {
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struct platform_device *pdev;
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struct power_supply *battery;
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struct power_supply *usb;
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struct power_supply *ac;
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struct wm8350_charger_policy *policy;
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int rev_g_coeff;
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};
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#endif
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