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b2e5add3 SB |
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 | #include <common.h> | |
25 | #include <spi.h> | |
26 | #include <pmic.h> | |
27 | #include <fsl_pmic.h> | |
28 | ||
29 | static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write) | |
30 | { | |
31 | if ((val == NULL) && (write)) | |
32 | return *val & ~(1 << 31); | |
33 | else | |
34 | return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF); | |
35 | } | |
36 | ||
37 | int pmic_init(void) | |
38 | { | |
39 | struct pmic *p = get_pmic(); | |
40 | static const char name[] = "FSL_PMIC"; | |
41 | ||
42 | puts("Board PMIC init\n"); | |
43 | ||
44 | p->name = name; | |
45 | p->interface = PMIC_SPI; | |
46 | p->number_of_regs = PMIC_NUM_OF_REGS; | |
47 | p->bus = CONFIG_FSL_PMIC_BUS; | |
48 | ||
49 | p->hw.spi.cs = CONFIG_FSL_PMIC_CS; | |
50 | p->hw.spi.clk = CONFIG_FSL_PMIC_CLK; | |
51 | p->hw.spi.mode = CONFIG_FSL_PMIC_MODE; | |
52 | p->hw.spi.bitlen = CONFIG_FSL_PMIC_BITLEN; | |
53 | p->hw.spi.flags = SPI_XFER_BEGIN | SPI_XFER_END; | |
54 | p->hw.spi.prepare_tx = pmic_spi_prepare_tx; | |
55 | ||
56 | return 0; | |
57 | } |