e9090fa45a
Add some useful functions, and the corresponding definitions. Add support for powering on the dra7xx_evm SD/MMC LDO (courtesy Lokesh Vutla <lokeshvutla@ti.com>). Signed-off-by: Lubomir Popov <lpopov@mm-sol.com> Reviewed-by: Tom Rini <trini@ti.com>
135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/*
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* (C) Copyright 2012-2013
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* Texas Instruments, <www.ti.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef PALMAS_H
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#define PALMAS_H
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#include <common.h>
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#include <i2c.h>
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/* I2C chip addresses, TW6035/37 */
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#define TWL603X_CHIP_P1 0x48 /* Page 1 */
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#define TWL603X_CHIP_P2 0x49 /* Page 2 */
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#define TWL603X_CHIP_P3 0x4a /* Page 3 */
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/* TPS659038/39 */
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#define TPS65903X_CHIP_P1 0x58 /* Page 1 */
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/* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */
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/* LDO1 control/voltage */
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#define LDO1_CTRL 0x50
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#define LDO1_VOLTAGE 0x51
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/* LDO9 control/voltage */
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#define LDO9_CTRL 0x60
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#define LDO9_VOLTAGE 0x61
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/* LDOUSB control/voltage */
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#define LDOUSB_CTRL 0x64
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#define LDOUSB_VOLTAGE 0x65
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/* Control of 32 kHz audio clock */
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#define CLK32KGAUDIO_CTRL 0xd5
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/* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
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#define SYSEN2_CTRL 0xd9
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/*
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* Bit field definitions for LDOx_CTRL, SYSENx_CTRL
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* and some other xxx_CTRL resources:
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*/
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#define LDO9_BYP_EN (1 << 6) /* LDO9 only! */
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#define RSC_STAT_ON (1 << 4) /* RO status bit! */
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#define RSC_MODE_SLEEP (1 << 2)
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#define RSC_MODE_ACTIVE (1 << 0)
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/* Some LDO voltage values */
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#define LDO_VOLT_OFF 0
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#define LDO_VOLT_1V8 0x13
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#define LDO_VOLT_3V0 0x2b
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#define LDO_VOLT_3V3 0x31
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/* Request bypass, LDO9 only */
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#define LDO9_BYPASS 0x3f
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/* SMPS7_CTRL */
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#define SMPS7_CTRL 0x30
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/* SMPS9_CTRL */
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#define SMPS9_CTRL 0x38
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#define SMPS9_VOLTAGE 0x3b
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/* Bit field definitions for SMPSx_CTRL */
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#define SMPS_MODE_ACT_AUTO 1
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#define SMPS_MODE_ACT_ECO 2
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#define SMPS_MODE_ACT_FPWM 3
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#define SMPS_MODE_SLP_AUTO (1 << 2)
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#define SMPS_MODE_SLP_ECO (2 << 2)
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#define SMPS_MODE_SLP_FPWM (3 << 2)
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/*
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* Some popular SMPS voltages, all with RANGE=1; note
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* that RANGE cannot be changed on the fly
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*/
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#define SMPS_VOLT_OFF 0
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#define SMPS_VOLT_1V2 0x90
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#define SMPS_VOLT_1V8 0xae
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#define SMPS_VOLT_2V1 0xbd
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#define SMPS_VOLT_3V0 0xea
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#define SMPS_VOLT_3V3 0xf9
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/* Backup Battery & VRTC Control */
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#define BB_VRTC_CTRL 0xa8
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/* Bit definitions for BB_VRTC_CTRL */
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#define VRTC_EN_SLP (1 << 6)
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#define VRTC_EN_OFF (1 << 5)
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#define VRTC_PWEN (1 << 4)
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#define BB_LOW_ICHRG (1 << 3)
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#define BB_HIGH_ICHRG (0 << 3)
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#define BB_VSEL_3V0 (0 << 1)
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#define BB_VSEL_2V5 (1 << 1)
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#define BB_VSEL_3V15 (2 << 1)
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#define BB_VSEL_VBAT (3 << 1)
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#define BB_CHRG_EN (1 << 0)
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/*
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* Functions to read and write from TPS659038/TWL6035/TWL6037
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* or other Palmas family of TI PMICs
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*/
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static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
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{
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return i2c_write(chip_no, reg, 1, &val, 1);
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}
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static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
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{
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return i2c_read(chip_no, reg, 1, val, 1);
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}
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void palmas_init_settings(void);
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int palmas_mmc1_poweron_ldo(void);
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int twl603x_mmc1_set_ldo9(u8 vsel);
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int twl603x_audio_power(u8 on);
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int twl603x_enable_bb_charge(u8 bb_fields);
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#endif /* PALMAS_H */
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