1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * supply.h -- Power Supply Driver for Wolfson WM8350 PMIC 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2007 Wolfson Microelectronics PLC 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __LINUX_MFD_WM8350_SUPPLY_H_ 9*4882a593Smuzhiyun #define __LINUX_MFD_WM8350_SUPPLY_H_ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/mutex.h> 12*4882a593Smuzhiyun #include <linux/power_supply.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* 15*4882a593Smuzhiyun * Charger registers 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun #define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8 18*4882a593Smuzhiyun #define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9 19*4882a593Smuzhiyun #define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun /* 22*4882a593Smuzhiyun * R168 (0xA8) - Battery Charger Control 1 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun #define WM8350_CHG_ENA_R168 0x8000 25*4882a593Smuzhiyun #define WM8350_CHG_THR 0x2000 26*4882a593Smuzhiyun #define WM8350_CHG_EOC_SEL_MASK 0x1C00 27*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_TEMP_CHOKE 0x0200 28*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_USB_CHOKE 0x0100 29*4882a593Smuzhiyun #define WM8350_CHG_RECOVER_T 0x0080 30*4882a593Smuzhiyun #define WM8350_CHG_END_ACT 0x0040 31*4882a593Smuzhiyun #define WM8350_CHG_FAST 0x0020 32*4882a593Smuzhiyun #define WM8350_CHG_FAST_USB_THROTTLE 0x0010 33*4882a593Smuzhiyun #define WM8350_CHG_NTC_MON 0x0008 34*4882a593Smuzhiyun #define WM8350_CHG_BATT_HOT_MON 0x0004 35*4882a593Smuzhiyun #define WM8350_CHG_BATT_COLD_MON 0x0002 36*4882a593Smuzhiyun #define WM8350_CHG_CHIP_TEMP_MON 0x0001 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun /* 39*4882a593Smuzhiyun * R169 (0xA9) - Battery Charger Control 2 40*4882a593Smuzhiyun */ 41*4882a593Smuzhiyun #define WM8350_CHG_ACTIVE 0x8000 42*4882a593Smuzhiyun #define WM8350_CHG_PAUSE 0x4000 43*4882a593Smuzhiyun #define WM8350_CHG_STS_MASK 0x3000 44*4882a593Smuzhiyun #define WM8350_CHG_TIME_MASK 0x0F00 45*4882a593Smuzhiyun #define WM8350_CHG_MASK_WALL_FB 0x0080 46*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_SEL 0x0040 47*4882a593Smuzhiyun #define WM8350_CHG_VSEL_MASK 0x0030 48*4882a593Smuzhiyun #define WM8350_CHG_ISEL_MASK 0x000F 49*4882a593Smuzhiyun #define WM8350_CHG_STS_OFF 0x0000 50*4882a593Smuzhiyun #define WM8350_CHG_STS_TRICKLE 0x1000 51*4882a593Smuzhiyun #define WM8350_CHG_STS_FAST 0x2000 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun /* 54*4882a593Smuzhiyun * R170 (0xAA) - Battery Charger Control 3 55*4882a593Smuzhiyun */ 56*4882a593Smuzhiyun #define WM8350_CHG_THROTTLE_T_MASK 0x0060 57*4882a593Smuzhiyun #define WM8350_CHG_SMART 0x0010 58*4882a593Smuzhiyun #define WM8350_CHG_TIMER_ADJT_MASK 0x000F 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun /* 61*4882a593Smuzhiyun * Charger Interrupts 62*4882a593Smuzhiyun */ 63*4882a593Smuzhiyun #define WM8350_IRQ_CHG_BAT_HOT 0 64*4882a593Smuzhiyun #define WM8350_IRQ_CHG_BAT_COLD 1 65*4882a593Smuzhiyun #define WM8350_IRQ_CHG_BAT_FAIL 2 66*4882a593Smuzhiyun #define WM8350_IRQ_CHG_TO 3 67*4882a593Smuzhiyun #define WM8350_IRQ_CHG_END 4 68*4882a593Smuzhiyun #define WM8350_IRQ_CHG_START 5 69*4882a593Smuzhiyun #define WM8350_IRQ_CHG_FAST_RDY 6 70*4882a593Smuzhiyun #define WM8350_IRQ_CHG_VBATT_LT_3P9 10 71*4882a593Smuzhiyun #define WM8350_IRQ_CHG_VBATT_LT_3P1 11 72*4882a593Smuzhiyun #define WM8350_IRQ_CHG_VBATT_LT_2P85 12 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun /* 75*4882a593Smuzhiyun * Charger Policy 76*4882a593Smuzhiyun */ 77*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_50mA (0 << 6) 78*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_100mA (1 << 6) 79*4882a593Smuzhiyun #define WM8350_CHG_4_05V (0 << 4) 80*4882a593Smuzhiyun #define WM8350_CHG_4_10V (1 << 4) 81*4882a593Smuzhiyun #define WM8350_CHG_4_15V (2 << 4) 82*4882a593Smuzhiyun #define WM8350_CHG_4_20V (3 << 4) 83*4882a593Smuzhiyun #define WM8350_CHG_FAST_LIMIT_mA(x) ((x / 50) & 0xf) 84*4882a593Smuzhiyun #define WM8350_CHG_EOC_mA(x) (((x - 10) & 0x7) << 10) 85*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_3_1V (0 << 13) 86*4882a593Smuzhiyun #define WM8350_CHG_TRICKLE_3_9V (1 << 13) 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun /* 89*4882a593Smuzhiyun * Supply Registers. 90*4882a593Smuzhiyun */ 91*4882a593Smuzhiyun #define WM8350_USB_VOLTAGE_READBACK 0x9C 92*4882a593Smuzhiyun #define WM8350_LINE_VOLTAGE_READBACK 0x9D 93*4882a593Smuzhiyun #define WM8350_BATT_VOLTAGE_READBACK 0x9E 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun /* 96*4882a593Smuzhiyun * Supply Interrupts. 97*4882a593Smuzhiyun */ 98*4882a593Smuzhiyun #define WM8350_IRQ_USB_LIMIT 15 99*4882a593Smuzhiyun #define WM8350_IRQ_EXT_USB_FB 36 100*4882a593Smuzhiyun #define WM8350_IRQ_EXT_WALL_FB 37 101*4882a593Smuzhiyun #define WM8350_IRQ_EXT_BAT_FB 38 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun /* 104*4882a593Smuzhiyun * Policy to control charger state machine. 105*4882a593Smuzhiyun */ 106*4882a593Smuzhiyun struct wm8350_charger_policy { 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun /* charger state machine policy - set in machine driver */ 109*4882a593Smuzhiyun int eoc_mA; /* end of charge current (mA) */ 110*4882a593Smuzhiyun int charge_mV; /* charge voltage */ 111*4882a593Smuzhiyun int fast_limit_mA; /* fast charge current limit */ 112*4882a593Smuzhiyun int fast_limit_USB_mA; /* USB fast charge current limit */ 113*4882a593Smuzhiyun int charge_timeout; /* charge timeout (mins) */ 114*4882a593Smuzhiyun int trickle_start_mV; /* trickle charge starts at mV */ 115*4882a593Smuzhiyun int trickle_charge_mA; /* trickle charge current */ 116*4882a593Smuzhiyun int trickle_charge_USB_mA; /* USB trickle charge current */ 117*4882a593Smuzhiyun }; 118*4882a593Smuzhiyun 119*4882a593Smuzhiyun struct wm8350_power { 120*4882a593Smuzhiyun struct platform_device *pdev; 121*4882a593Smuzhiyun struct power_supply *battery; 122*4882a593Smuzhiyun struct power_supply *usb; 123*4882a593Smuzhiyun struct power_supply *ac; 124*4882a593Smuzhiyun struct wm8350_charger_policy *policy; 125*4882a593Smuzhiyun 126*4882a593Smuzhiyun int rev_g_coeff; 127*4882a593Smuzhiyun }; 128*4882a593Smuzhiyun 129*4882a593Smuzhiyun #endif 130