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");