From b95aacd332cde91299cf05e1a87dc6d7de545adb Mon Sep 17 00:00:00 2001 From: Łukasz Majewski Date: Tue, 13 Nov 2012 03:22:03 +0000 Subject: pmic:fuel-gauge: Support for MAX17042 fuel-gauge Support for MAX17042 fuel-gauge (FG), which is built into the MAX8997 power management device. Special file - fg_battery_cell_params.h with cells characteristics added. The FG device will work with redesigned PMIC framework. Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Cc: Stefano Babic --- include/power/fg_battery_cell_params.h | 90 ++++++++++++++++++++++++++++++++++ include/power/max17042_fg.h | 74 ++++++++++++++++++++++++++++ 2 files changed, 164 insertions(+) create mode 100644 include/power/fg_battery_cell_params.h create mode 100644 include/power/max17042_fg.h (limited to 'include') diff --git a/include/power/fg_battery_cell_params.h b/include/power/fg_battery_cell_params.h new file mode 100644 index 00000000000..7ddf6f2ffa8 --- /dev/null +++ b/include/power/fg_battery_cell_params.h @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Lukasz Majewski + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __FG_BATTERY_CELL_PARAMS_H_ +#define __FG_BATTERY_CELL_PARAMS_H_ + +#if defined(CONFIG_POWER_FG_MAX17042) && defined(CONFIG_TRATS) + +/* Cell characteristics - Exynos4 TRATS development board */ +/* Shall be written to addr 0x80h */ +u16 cell_character0[16] = { + 0xA2A0, + 0xB6E0, + 0xB850, + 0xBAD0, + 0xBB20, + 0xBB70, + 0xBBC0, + 0xBC20, + 0xBC80, + 0xBCE0, + 0xBD80, + 0xBE20, + 0xC090, + 0xC420, + 0xC910, + 0xD070 +}; + +/* Shall be written to addr 0x90h */ +u16 cell_character1[16] = { + 0x0090, + 0x1A50, + 0x02F0, + 0x2060, + 0x2060, + 0x2E60, + 0x26A0, + 0x2DB0, + 0x2DB0, + 0x1870, + 0x2A20, + 0x16F0, + 0x08F0, + 0x0D40, + 0x08C0, + 0x08C0 +}; + +/* Shall be written to addr 0xA0h */ +u16 cell_character2[16] = { + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100, + 0x0100 +}; +#endif +#endif /* __FG_BATTERY_CELL_PARAMS_H_ */ diff --git a/include/power/max17042_fg.h b/include/power/max17042_fg.h new file mode 100644 index 00000000000..1103a483f20 --- /dev/null +++ b/include/power/max17042_fg.h @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Lukasz Majewski + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __MAX17042_FG_H_ +#define __MAX17042_FG_H_ + +/* MAX 17042 registers */ +enum { + MAX17042_STATUS = 0x00, + MAX17042_SOCREP = 0x06, + MAX17042_VCELL = 0x09, + MAX17042_CURRENT = 0x0A, + MAX17042_AVG_CURRENT = 0x0B, + MAX17042_SOCMIX = 0x0D, + MAX17042_SOCAV = 0x0E, + MAX17042_DESIGN_CAP = 0x18, + MAX17042_AVG_VCELL = 0x19, + MAX17042_CONFIG = 0x1D, + MAX17042_VERSION = 0x21, + MAX17042_LEARNCFG = 0x28, + MAX17042_FILTERCFG = 0x29, + MAX17042_RELAXCFG = 0x2A, + MAX17042_MISCCFG = 0x2B, + MAX17042_CGAIN = 0x2E, + MAX17042_COFF = 0x2F, + MAX17042_RCOMP0 = 0x38, + MAX17042_TEMPCO = 0x39, + MAX17042_FSTAT = 0x3D, + MAX17042_MLOCKReg1 = 0x62, + MAX17042_MLOCKReg2 = 0x63, + MAX17042_MODEL1 = 0x80, + MAX17042_MODEL2 = 0x90, + MAX17042_MODEL3 = 0xA0, + MAX17042_VFOCV = 0xFB, + MAX17042_VFSOC = 0xFF, + + FG_NUM_OF_REGS = 0x100, +}; + +#define RCOMP0 0x0060 +#define TempCo 0x1015 + + +#define MAX17042_POR (1 << 1) + +#define MODEL_UNLOCK1 0x0059 +#define MODEL_UNLOCK2 0x00c4 +#define MODEL_LOCK1 0x0000 +#define MODEL_LOCK2 0x0000 + +#define MAX17042_I2C_ADDR (0x6C >> 1) + +int power_fg_init(unsigned char bus); +#endif /* __MAX17042_FG_H_ */ -- cgit v1.2.3