diff options
Diffstat (limited to 'include/linux/mfd/wm8350/supply.h')
| -rw-r--r-- | include/linux/mfd/wm8350/supply.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h new file mode 100644 index 00000000000..1c8f3cde79b --- /dev/null +++ b/include/linux/mfd/wm8350/supply.h @@ -0,0 +1,111 @@ +/* + * supply.h -- Power Supply Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * 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. + * + */ + +#ifndef __LINUX_MFD_WM8350_SUPPLY_H_ +#define __LINUX_MFD_WM8350_SUPPLY_H_ + +#include <linux/platform_device.h> + +/* + * Charger registers + */ +#define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8 +#define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9 +#define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA + +/* + * R168 (0xA8) - Battery Charger Control 1 + */ +#define WM8350_CHG_ENA_R168 0x8000 +#define WM8350_CHG_THR 0x2000 +#define WM8350_CHG_EOC_SEL_MASK 0x1C00 +#define WM8350_CHG_TRICKLE_TEMP_CHOKE 0x0200 +#define WM8350_CHG_TRICKLE_USB_CHOKE 0x0100 +#define WM8350_CHG_RECOVER_T 0x0080 +#define WM8350_CHG_END_ACT 0x0040 +#define WM8350_CHG_FAST 0x0020 +#define WM8350_CHG_FAST_USB_THROTTLE 0x0010 +#define WM8350_CHG_NTC_MON 0x0008 +#define WM8350_CHG_BATT_HOT_MON 0x0004 +#define WM8350_CHG_BATT_COLD_MON 0x0002 +#define WM8350_CHG_CHIP_TEMP_MON 0x0001 + +/* + * R169 (0xA9) - Battery Charger Control 2 + */ +#define WM8350_CHG_ACTIVE 0x8000 +#define WM8350_CHG_PAUSE 0x4000 +#define WM8350_CHG_STS_MASK 0x3000 +#define WM8350_CHG_TIME_MASK 0x0F00 +#define WM8350_CHG_MASK_WALL_FB 0x0080 +#define WM8350_CHG_TRICKLE_SEL 0x0040 +#define WM8350_CHG_VSEL_MASK 0x0030 +#define WM8350_CHG_ISEL_MASK 0x000F +#define WM8350_CHG_STS_OFF 0x0000 +#define WM8350_CHG_STS_TRICKLE 0x1000 +#define WM8350_CHG_STS_FAST 0x2000 + +/* + * R170 (0xAA) - Battery Charger Control 3 + */ +#define WM8350_CHG_THROTTLE_T_MASK 0x0060 +#define WM8350_CHG_SMART 0x0010 +#define WM8350_CHG_TIMER_ADJT_MASK 0x000F + +/* + * Charger Interrupts + */ +#define WM8350_IRQ_CHG_BAT_HOT 0 +#define WM8350_IRQ_CHG_BAT_COLD 1 +#define WM8350_IRQ_CHG_BAT_FAIL 2 +#define WM8350_IRQ_CHG_TO 3 +#define WM8350_IRQ_CHG_END 4 +#define WM8350_IRQ_CHG_START 5 +#define WM8350_IRQ_CHG_FAST_RDY 6 +#define WM8350_IRQ_CHG_VBATT_LT_3P9 10 +#define WM8350_IRQ_CHG_VBATT_LT_3P1 11 +#define WM8350_IRQ_CHG_VBATT_LT_2P85 12 + +/* + * Charger Policy + */ +#define WM8350_CHG_TRICKLE_50mA (0 << 6) +#define WM8350_CHG_TRICKLE_100mA (1 << 6) +#define WM8350_CHG_4_05V (0 << 4) +#define WM8350_CHG_4_10V (1 << 4) +#define WM8350_CHG_4_15V (2 << 4) +#define WM8350_CHG_4_20V (3 << 4) +#define WM8350_CHG_FAST_LIMIT_mA(x) ((x / 50) & 0xf) +#define WM8350_CHG_EOC_mA(x) (((x - 10) & 0x7) << 10) +#define WM8350_CHG_TRICKLE_3_1V (0 << 13) +#define WM8350_CHG_TRICKLE_3_9V (1 << 13) + +/* + * Supply Registers. + */ +#define WM8350_USB_VOLTAGE_READBACK 0x9C +#define WM8350_LINE_VOLTAGE_READBACK 0x9D +#define WM8350_BATT_VOLTAGE_READBACK 0x9E + +/* + * Supply Interrupts. + */ +#define WM8350_IRQ_USB_LIMIT 15 +#define WM8350_IRQ_EXT_USB_FB 36 +#define WM8350_IRQ_EXT_WALL_FB 37 +#define WM8350_IRQ_EXT_BAT_FB 38 + +struct wm8350_power { + struct platform_device *pdev; +}; + +#endif |