1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Linaro
4 * Peter Griffin <peter.griffin@linaro.org>
8 #include <power/pmic.h>
9 #include <power/max8997_muic.h>
10 #include <power/hi6553_pmic.h>
15 uint8_t hi6553_readb(u32 offset
)
17 return readb(pmussi_base
+ (offset
<< 2));
20 void hi6553_writeb(u32 offset
, uint8_t value
)
22 writeb(value
, pmussi_base
+ (offset
<< 2));
25 int pmic_reg_write(struct pmic
*p
, u32 reg
, u32 val
)
27 if (check_reg(p
, reg
))
30 hi6553_writeb(reg
, (uint8_t)val
);
35 int pmic_reg_read(struct pmic
*p
, u32 reg
, u32
*val
)
37 if (check_reg(p
, reg
))
40 *val
= (u32
)hi6553_readb(reg
);
45 static void hi6553_init(void)
49 hi6553_writeb(HI6553_PERI_EN_MARK
, 0x1e);
50 hi6553_writeb(HI6553_NP_REG_ADJ1
, 0);
51 data
= HI6553_DISABLE6_XO_CLK_CONN
| HI6553_DISABLE6_XO_CLK_NFC
|
52 HI6553_DISABLE6_XO_CLK_RF1
| HI6553_DISABLE6_XO_CLK_RF2
;
53 hi6553_writeb(HI6553_DISABLE6_XO_CLK
, data
);
55 /* configure BUCK0 & BUCK1 */
56 hi6553_writeb(HI6553_BUCK01_CTRL2
, 0x5e);
57 hi6553_writeb(HI6553_BUCK0_CTRL7
, 0x10);
58 hi6553_writeb(HI6553_BUCK1_CTRL7
, 0x10);
59 hi6553_writeb(HI6553_BUCK0_CTRL5
, 0x1e);
60 hi6553_writeb(HI6553_BUCK1_CTRL5
, 0x1e);
61 hi6553_writeb(HI6553_BUCK0_CTRL1
, 0xfc);
62 hi6553_writeb(HI6553_BUCK1_CTRL1
, 0xfc);
65 hi6553_writeb(HI6553_BUCK2_REG1
, 0x4f);
66 hi6553_writeb(HI6553_BUCK2_REG5
, 0x99);
67 hi6553_writeb(HI6553_BUCK2_REG6
, 0x45);
69 hi6553_writeb(HI6553_VSET_BUCK2_ADJ
, 0x22);
73 hi6553_writeb(HI6553_BUCK3_REG3
, 0x02);
74 hi6553_writeb(HI6553_BUCK3_REG5
, 0x99);
75 hi6553_writeb(HI6553_BUCK3_REG6
, 0x41);
76 hi6553_writeb(HI6553_VSET_BUCK3_ADJ
, 0x02);
80 hi6553_writeb(HI6553_BUCK4_REG2
, 0x9a);
81 hi6553_writeb(HI6553_BUCK4_REG5
, 0x99);
82 hi6553_writeb(HI6553_BUCK4_REG6
, 0x45);
85 hi6553_writeb(HI6553_LDO20_REG_ADJ
, 0x50);
87 hi6553_writeb(HI6553_NP_REG_CHG
, 0x0f);
88 hi6553_writeb(HI6553_CLK_TOP0
, 0x06);
89 hi6553_writeb(HI6553_CLK_TOP3
, 0xc0);
90 hi6553_writeb(HI6553_CLK_TOP4
, 0x00);
92 /* configure LDO7 & LDO10 for SD slot */
93 data
= hi6553_readb(HI6553_LDO7_REG_ADJ
);
94 data
= (data
& 0xf8) | 0x2;
95 hi6553_writeb(HI6553_LDO7_REG_ADJ
, data
);
98 hi6553_writeb(HI6553_ENABLE2_LDO1_8
, 1 << 6);
100 data
= hi6553_readb(HI6553_LDO10_REG_ADJ
);
101 data
= (data
& 0xf8) | 0x5;
102 hi6553_writeb(HI6553_LDO10_REG_ADJ
, data
);
105 hi6553_writeb(HI6553_ENABLE3_LDO9_16
, 1 << 1);
108 /* select 32.764KHz */
109 hi6553_writeb(HI6553_CLK19M2_600_586_EN
, 0x01);
112 int power_hi6553_init(u8
*base
)
114 static const char name
[] = "HI6553 PMIC";
115 struct pmic
*p
= pmic_alloc();
118 printf("%s: POWER allocation error!\n", __func__
);
123 p
->interface
= PMIC_NONE
;
124 p
->number_of_regs
= 44;
129 puts("HI6553 PMIC init\n");