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242b2f0c PG |
1 | /* |
2 | * Copyright (C) 2015 Linaro | |
3 | * Peter Griffin <peter.griffin@linaro.org> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | #include <asm/io.h> | |
8 | #include <common.h> | |
9 | #include <power/pmic.h> | |
10 | #include <power/max8997_muic.h> | |
11 | #include <power/hi6553_pmic.h> | |
12 | #include <errno.h> | |
13 | ||
14 | u8 *pmussi_base; | |
15 | ||
16 | uint8_t hi6553_readb(u32 offset) | |
17 | { | |
18 | return readb(pmussi_base + (offset << 2)); | |
19 | } | |
20 | ||
21 | void hi6553_writeb(u32 offset, uint8_t value) | |
22 | { | |
23 | writeb(value, pmussi_base + (offset << 2)); | |
24 | } | |
25 | ||
26 | int pmic_reg_write(struct pmic *p, u32 reg, u32 val) | |
27 | { | |
28 | if (check_reg(p, reg)) | |
505cf475 | 29 | return -EINVAL; |
242b2f0c PG |
30 | |
31 | hi6553_writeb(reg, (uint8_t)val); | |
32 | ||
33 | return 0; | |
34 | } | |
35 | ||
36 | int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) | |
37 | { | |
38 | if (check_reg(p, reg)) | |
505cf475 | 39 | return -EINVAL; |
242b2f0c PG |
40 | |
41 | *val = (u32)hi6553_readb(reg); | |
42 | ||
43 | return 0; | |
44 | } | |
45 | ||
46 | static void hi6553_init(void) | |
47 | { | |
48 | int data; | |
49 | ||
50 | hi6553_writeb(HI6553_PERI_EN_MARK, 0x1e); | |
51 | hi6553_writeb(HI6553_NP_REG_ADJ1, 0); | |
52 | data = HI6553_DISABLE6_XO_CLK_CONN | HI6553_DISABLE6_XO_CLK_NFC | | |
53 | HI6553_DISABLE6_XO_CLK_RF1 | HI6553_DISABLE6_XO_CLK_RF2; | |
54 | hi6553_writeb(HI6553_DISABLE6_XO_CLK, data); | |
55 | ||
56 | /* configure BUCK0 & BUCK1 */ | |
57 | hi6553_writeb(HI6553_BUCK01_CTRL2, 0x5e); | |
58 | hi6553_writeb(HI6553_BUCK0_CTRL7, 0x10); | |
59 | hi6553_writeb(HI6553_BUCK1_CTRL7, 0x10); | |
60 | hi6553_writeb(HI6553_BUCK0_CTRL5, 0x1e); | |
61 | hi6553_writeb(HI6553_BUCK1_CTRL5, 0x1e); | |
62 | hi6553_writeb(HI6553_BUCK0_CTRL1, 0xfc); | |
63 | hi6553_writeb(HI6553_BUCK1_CTRL1, 0xfc); | |
64 | ||
65 | /* configure BUCK2 */ | |
66 | hi6553_writeb(HI6553_BUCK2_REG1, 0x4f); | |
67 | hi6553_writeb(HI6553_BUCK2_REG5, 0x99); | |
68 | hi6553_writeb(HI6553_BUCK2_REG6, 0x45); | |
69 | mdelay(1); | |
70 | hi6553_writeb(HI6553_VSET_BUCK2_ADJ, 0x22); | |
71 | mdelay(1); | |
72 | ||
73 | /* configure BUCK3 */ | |
74 | hi6553_writeb(HI6553_BUCK3_REG3, 0x02); | |
75 | hi6553_writeb(HI6553_BUCK3_REG5, 0x99); | |
76 | hi6553_writeb(HI6553_BUCK3_REG6, 0x41); | |
77 | hi6553_writeb(HI6553_VSET_BUCK3_ADJ, 0x02); | |
78 | mdelay(1); | |
79 | ||
80 | /* configure BUCK4 */ | |
81 | hi6553_writeb(HI6553_BUCK4_REG2, 0x9a); | |
82 | hi6553_writeb(HI6553_BUCK4_REG5, 0x99); | |
83 | hi6553_writeb(HI6553_BUCK4_REG6, 0x45); | |
84 | ||
85 | /* configure LDO20 */ | |
86 | hi6553_writeb(HI6553_LDO20_REG_ADJ, 0x50); | |
87 | ||
88 | hi6553_writeb(HI6553_NP_REG_CHG, 0x0f); | |
89 | hi6553_writeb(HI6553_CLK_TOP0, 0x06); | |
90 | hi6553_writeb(HI6553_CLK_TOP3, 0xc0); | |
91 | hi6553_writeb(HI6553_CLK_TOP4, 0x00); | |
92 | ||
93 | /* configure LDO7 & LDO10 for SD slot */ | |
94 | data = hi6553_readb(HI6553_LDO7_REG_ADJ); | |
95 | data = (data & 0xf8) | 0x2; | |
96 | hi6553_writeb(HI6553_LDO7_REG_ADJ, data); | |
97 | mdelay(5); | |
98 | /* enable LDO7 */ | |
99 | hi6553_writeb(HI6553_ENABLE2_LDO1_8, 1 << 6); | |
100 | mdelay(5); | |
101 | data = hi6553_readb(HI6553_LDO10_REG_ADJ); | |
102 | data = (data & 0xf8) | 0x5; | |
103 | hi6553_writeb(HI6553_LDO10_REG_ADJ, data); | |
104 | mdelay(5); | |
105 | /* enable LDO10 */ | |
106 | hi6553_writeb(HI6553_ENABLE3_LDO9_16, 1 << 1); | |
107 | mdelay(5); | |
108 | ||
109 | /* select 32.764KHz */ | |
110 | hi6553_writeb(HI6553_CLK19M2_600_586_EN, 0x01); | |
111 | } | |
112 | ||
113 | int power_hi6553_init(u8 *base) | |
114 | { | |
115 | static const char name[] = "HI6553 PMIC"; | |
116 | struct pmic *p = pmic_alloc(); | |
117 | ||
118 | if (!p) { | |
119 | printf("%s: POWER allocation error!\n", __func__); | |
120 | return -ENOMEM; | |
121 | } | |
122 | ||
123 | p->name = name; | |
124 | p->interface = PMIC_NONE; | |
125 | p->number_of_regs = 44; | |
126 | pmussi_base = base; | |
127 | ||
128 | hi6553_init(); | |
129 | ||
130 | puts("HI6553 PMIC init\n"); | |
131 | ||
132 | return 0; | |
133 | } |