1f8ea79c2SMark Brown /* 2f8ea79c2SMark Brown * supply.h -- Power Supply Driver for Wolfson WM8350 PMIC 3f8ea79c2SMark Brown * 4f8ea79c2SMark Brown * Copyright 2007 Wolfson Microelectronics PLC 5f8ea79c2SMark Brown * 6f8ea79c2SMark Brown * This program is free software; you can redistribute it and/or modify it 7f8ea79c2SMark Brown * under the terms of the GNU General Public License as published by the 8f8ea79c2SMark Brown * Free Software Foundation; either version 2 of the License, or (at your 9f8ea79c2SMark Brown * option) any later version. 10f8ea79c2SMark Brown * 11f8ea79c2SMark Brown */ 12f8ea79c2SMark Brown 13f8ea79c2SMark Brown #ifndef __LINUX_MFD_WM8350_SUPPLY_H_ 14f8ea79c2SMark Brown #define __LINUX_MFD_WM8350_SUPPLY_H_ 15f8ea79c2SMark Brown 16*14431aa0SMark Brown #include <linux/mutex.h> 17*14431aa0SMark Brown #include <linux/power_supply.h> 18add41cb4SMark Brown 19f8ea79c2SMark Brown /* 20f8ea79c2SMark Brown * Charger registers 21f8ea79c2SMark Brown */ 22f8ea79c2SMark Brown #define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8 23f8ea79c2SMark Brown #define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9 24f8ea79c2SMark Brown #define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA 25f8ea79c2SMark Brown 26f8ea79c2SMark Brown /* 27f8ea79c2SMark Brown * R168 (0xA8) - Battery Charger Control 1 28f8ea79c2SMark Brown */ 29f8ea79c2SMark Brown #define WM8350_CHG_ENA_R168 0x8000 30f8ea79c2SMark Brown #define WM8350_CHG_THR 0x2000 31f8ea79c2SMark Brown #define WM8350_CHG_EOC_SEL_MASK 0x1C00 32f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_TEMP_CHOKE 0x0200 33f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_USB_CHOKE 0x0100 34f8ea79c2SMark Brown #define WM8350_CHG_RECOVER_T 0x0080 35f8ea79c2SMark Brown #define WM8350_CHG_END_ACT 0x0040 36f8ea79c2SMark Brown #define WM8350_CHG_FAST 0x0020 37f8ea79c2SMark Brown #define WM8350_CHG_FAST_USB_THROTTLE 0x0010 38f8ea79c2SMark Brown #define WM8350_CHG_NTC_MON 0x0008 39f8ea79c2SMark Brown #define WM8350_CHG_BATT_HOT_MON 0x0004 40f8ea79c2SMark Brown #define WM8350_CHG_BATT_COLD_MON 0x0002 41f8ea79c2SMark Brown #define WM8350_CHG_CHIP_TEMP_MON 0x0001 42f8ea79c2SMark Brown 43f8ea79c2SMark Brown /* 44f8ea79c2SMark Brown * R169 (0xA9) - Battery Charger Control 2 45f8ea79c2SMark Brown */ 46f8ea79c2SMark Brown #define WM8350_CHG_ACTIVE 0x8000 47f8ea79c2SMark Brown #define WM8350_CHG_PAUSE 0x4000 48f8ea79c2SMark Brown #define WM8350_CHG_STS_MASK 0x3000 49f8ea79c2SMark Brown #define WM8350_CHG_TIME_MASK 0x0F00 50f8ea79c2SMark Brown #define WM8350_CHG_MASK_WALL_FB 0x0080 51f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_SEL 0x0040 52f8ea79c2SMark Brown #define WM8350_CHG_VSEL_MASK 0x0030 53f8ea79c2SMark Brown #define WM8350_CHG_ISEL_MASK 0x000F 54f8ea79c2SMark Brown #define WM8350_CHG_STS_OFF 0x0000 55f8ea79c2SMark Brown #define WM8350_CHG_STS_TRICKLE 0x1000 56f8ea79c2SMark Brown #define WM8350_CHG_STS_FAST 0x2000 57f8ea79c2SMark Brown 58f8ea79c2SMark Brown /* 59f8ea79c2SMark Brown * R170 (0xAA) - Battery Charger Control 3 60f8ea79c2SMark Brown */ 61f8ea79c2SMark Brown #define WM8350_CHG_THROTTLE_T_MASK 0x0060 62f8ea79c2SMark Brown #define WM8350_CHG_SMART 0x0010 63f8ea79c2SMark Brown #define WM8350_CHG_TIMER_ADJT_MASK 0x000F 64f8ea79c2SMark Brown 65f8ea79c2SMark Brown /* 66f8ea79c2SMark Brown * Charger Interrupts 67f8ea79c2SMark Brown */ 68f8ea79c2SMark Brown #define WM8350_IRQ_CHG_BAT_HOT 0 69f8ea79c2SMark Brown #define WM8350_IRQ_CHG_BAT_COLD 1 70f8ea79c2SMark Brown #define WM8350_IRQ_CHG_BAT_FAIL 2 71f8ea79c2SMark Brown #define WM8350_IRQ_CHG_TO 3 72f8ea79c2SMark Brown #define WM8350_IRQ_CHG_END 4 73f8ea79c2SMark Brown #define WM8350_IRQ_CHG_START 5 74f8ea79c2SMark Brown #define WM8350_IRQ_CHG_FAST_RDY 6 75f8ea79c2SMark Brown #define WM8350_IRQ_CHG_VBATT_LT_3P9 10 76f8ea79c2SMark Brown #define WM8350_IRQ_CHG_VBATT_LT_3P1 11 77f8ea79c2SMark Brown #define WM8350_IRQ_CHG_VBATT_LT_2P85 12 78f8ea79c2SMark Brown 79f8ea79c2SMark Brown /* 80f8ea79c2SMark Brown * Charger Policy 81f8ea79c2SMark Brown */ 82f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_50mA (0 << 6) 83f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_100mA (1 << 6) 84f8ea79c2SMark Brown #define WM8350_CHG_4_05V (0 << 4) 85f8ea79c2SMark Brown #define WM8350_CHG_4_10V (1 << 4) 86f8ea79c2SMark Brown #define WM8350_CHG_4_15V (2 << 4) 87f8ea79c2SMark Brown #define WM8350_CHG_4_20V (3 << 4) 88f8ea79c2SMark Brown #define WM8350_CHG_FAST_LIMIT_mA(x) ((x / 50) & 0xf) 89f8ea79c2SMark Brown #define WM8350_CHG_EOC_mA(x) (((x - 10) & 0x7) << 10) 90f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_3_1V (0 << 13) 91f8ea79c2SMark Brown #define WM8350_CHG_TRICKLE_3_9V (1 << 13) 92f8ea79c2SMark Brown 93f8ea79c2SMark Brown /* 94f8ea79c2SMark Brown * Supply Registers. 95f8ea79c2SMark Brown */ 96f8ea79c2SMark Brown #define WM8350_USB_VOLTAGE_READBACK 0x9C 97f8ea79c2SMark Brown #define WM8350_LINE_VOLTAGE_READBACK 0x9D 98f8ea79c2SMark Brown #define WM8350_BATT_VOLTAGE_READBACK 0x9E 99f8ea79c2SMark Brown 100f8ea79c2SMark Brown /* 101f8ea79c2SMark Brown * Supply Interrupts. 102f8ea79c2SMark Brown */ 103f8ea79c2SMark Brown #define WM8350_IRQ_USB_LIMIT 15 104f8ea79c2SMark Brown #define WM8350_IRQ_EXT_USB_FB 36 105f8ea79c2SMark Brown #define WM8350_IRQ_EXT_WALL_FB 37 106f8ea79c2SMark Brown #define WM8350_IRQ_EXT_BAT_FB 38 107f8ea79c2SMark Brown 108*14431aa0SMark Brown /* 109*14431aa0SMark Brown * Policy to control charger state machine. 110*14431aa0SMark Brown */ 111*14431aa0SMark Brown struct wm8350_charger_policy { 112*14431aa0SMark Brown 113*14431aa0SMark Brown /* charger state machine policy - set in machine driver */ 114*14431aa0SMark Brown int eoc_mA; /* end of charge current (mA) */ 115*14431aa0SMark Brown int charge_mV; /* charge voltage */ 116*14431aa0SMark Brown int fast_limit_mA; /* fast charge current limit */ 117*14431aa0SMark Brown int fast_limit_USB_mA; /* USB fast charge current limit */ 118*14431aa0SMark Brown int charge_timeout; /* charge timeout (mins) */ 119*14431aa0SMark Brown int trickle_start_mV; /* trickle charge starts at mV */ 120*14431aa0SMark Brown int trickle_charge_mA; /* trickle charge current */ 121*14431aa0SMark Brown int trickle_charge_USB_mA; /* USB trickle charge current */ 122*14431aa0SMark Brown }; 123*14431aa0SMark Brown 124add41cb4SMark Brown struct wm8350_power { 125add41cb4SMark Brown struct platform_device *pdev; 126*14431aa0SMark Brown struct power_supply battery; 127*14431aa0SMark Brown struct power_supply usb; 128*14431aa0SMark Brown struct power_supply ac; 129*14431aa0SMark Brown struct wm8350_charger_policy *policy; 130add41cb4SMark Brown }; 131add41cb4SMark Brown 132f8ea79c2SMark Brown #endif 133