projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| e542b7f0 ŁM |
1 | /* |
| 2 | * Copyright (C) 2011 Samsung Electronics | |
| 3 | * Lukasz Majewski <l.majewski@samsung.com> | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #ifndef __CORE_PMIC_H_ | |
| 25 | #define __CORE_PMIC_H_ | |
| 26 | ||
| 27 | enum { PMIC_I2C, PMIC_SPI, }; | |
| 28 | enum { I2C_PMIC, I2C_NUM, }; | |
| 29 | enum { PMIC_READ, PMIC_WRITE, }; | |
| 30 | ||
| 31 | struct p_i2c { | |
| 32 | unsigned char addr; | |
| 33 | unsigned char *buf; | |
| 34 | unsigned char tx_num; | |
| 35 | }; | |
| 36 | ||
| 37 | struct p_spi { | |
| 38 | unsigned int cs; | |
| 39 | unsigned int mode; | |
| 40 | unsigned int bitlen; | |
| 41 | unsigned int clk; | |
| 42 | unsigned int flags; | |
| 43 | u32 (*prepare_tx)(u32 reg, u32 *val, u32 write); | |
| 44 | }; | |
| 45 | ||
| 46 | struct pmic { | |
| 47 | const char *name; | |
| 48 | unsigned char bus; | |
| 49 | unsigned char interface; | |
| 50 | unsigned char number_of_regs; | |
| 51 | union hw { | |
| 52 | struct p_i2c i2c; | |
| 53 | struct p_spi spi; | |
| 54 | } hw; | |
| 55 | }; | |
| 56 | ||
| 57 | int pmic_init(void); | |
| 58 | int check_reg(u32 reg); | |
| 59 | struct pmic *get_pmic(void); | |
| 60 | int pmic_probe(struct pmic *p); | |
| 61 | int pmic_reg_read(struct pmic *p, u32 reg, u32 *val); | |
| 62 | int pmic_reg_write(struct pmic *p, u32 reg, u32 val); | |
| 63 | int pmic_set_output(struct pmic *p, u32 reg, int ldo, int on); | |
| 64 | ||
| 65 | #define pmic_i2c_addr (p->hw.i2c.addr) | |
| 66 | #define pmic_i2c_tx_num (p->hw.i2c.tx_num) | |
| 67 | ||
| 68 | #define pmic_spi_bitlen (p->hw.spi.bitlen) | |
| 69 | #define pmic_spi_flags (p->hw.spi.flags) | |
| 70 | ||
| 71 | #endif /* __CORE_PMIC_H_ */ |