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pmic: Extend PMIC framework to support multiple instances of PMIC devices
[u-boot] / board / samsung / goni / goni.c
1 /*
2  *  Copyright (C) 2008-2009 Samsung Electronics
3  *  Minkyu Kang <mk7.kang@samsung.com>
4  *  Kyungmin Park <kyungmin.park@samsung.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24
25 #include <common.h>
26 #include <asm/arch/gpio.h>
27 #include <asm/arch/mmc.h>
28 #include <power/pmic.h>
29 #include <usb/s3c_udc.h>
30 #include <asm/arch/cpu.h>
31 #include <power/max8998_pmic.h>
32 DECLARE_GLOBAL_DATA_PTR;
33
34 static struct s5pc110_gpio *s5pc110_gpio;
35
36 int board_init(void)
37 {
38         /* Set Initial global variables */
39         s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
40
41         gd->bd->bi_arch_number = MACH_TYPE_GONI;
42         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
43
44 #if defined(CONFIG_PMIC)
45         pmic_init(I2C_5);
46 #endif
47
48         return 0;
49 }
50
51 int dram_init(void)
52 {
53         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
54                         PHYS_SDRAM_3_SIZE;
55
56         return 0;
57 }
58
59 void dram_init_banksize(void)
60 {
61         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
62         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
63         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
64         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
65         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
66         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
67 }
68
69 #ifdef CONFIG_DISPLAY_BOARDINFO
70 int checkboard(void)
71 {
72         puts("Board:\tGoni\n");
73         return 0;
74 }
75 #endif
76
77 #ifdef CONFIG_GENERIC_MMC
78 int board_mmc_init(bd_t *bis)
79 {
80         int i;
81
82         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
83         s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
84
85         /*
86          * MMC0 GPIO
87          * GPG0[0]      SD_0_CLK
88          * GPG0[1]      SD_0_CMD
89          * GPG0[2]      SD_0_CDn        -> Not used
90          * GPG0[3:6]    SD_0_DATA[0:3]
91          */
92         for (i = 0; i < 7; i++) {
93                 if (i == 2)
94                         continue;
95                 /* GPG0[0:6] special function 2 */
96                 s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
97                 /* GPG0[0:6] pull disable */
98                 s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
99                 /* GPG0[0:6] drv 4x */
100                 s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
101         }
102
103         return s5p_mmc_init(0, 4);
104 }
105 #endif
106
107 #ifdef CONFIG_USB_GADGET
108 static int s5pc1xx_phy_control(int on)
109 {
110         int ret;
111         static int status;
112         struct pmic *p = pmic_get("MAX8998_PMIC");
113         if (!p)
114                 return -ENODEV;
115
116         if (pmic_probe(p))
117                 return -1;
118
119         if (on && !status) {
120                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
121                                       MAX8998_LDO3, LDO_ON);
122                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
123                                       MAX8998_LDO8, LDO_ON);
124                 if (ret) {
125                         puts("MAX8998 LDO setting error!\n");
126                         return -1;
127                 }
128                 status = 1;
129         } else if (!on && status) {
130                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
131                                       MAX8998_LDO3, LDO_OFF);
132                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
133                                       MAX8998_LDO8, LDO_OFF);
134                 if (ret) {
135                         puts("MAX8998 LDO setting error!\n");
136                         return -1;
137                 }
138                 status = 0;
139         }
140         udelay(10000);
141
142         return 0;
143 }
144
145 struct s3c_plat_otg_data s5pc110_otg_data = {
146         .phy_control = s5pc1xx_phy_control,
147         .regs_phy = S5PC110_PHY_BASE,
148         .regs_otg = S5PC110_OTG_BASE,
149         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
150 };
151 #endif