Commit 9642347b authored by Martin Fuzzey's avatar Martin Fuzzey Committed by Bob Beckett
Browse files

power: pmic: add driver for Dialog DA9063 PMIC



This adds the basic register access operations and child regulator
binding (if a regulator driver exists).

Robert Beckett: simplify accesses by using bottom bit of address as
offset overflow. This avoids the need to track which page we are on.
Signed-off-by: default avatarMartin Fuzzey <martin.fuzzey@flowbird.group>
Signed-off-by: Bob Beckett's avatarRobert Beckett <bob.beckett@collabora.com>
parent e3cebd63
......@@ -40,6 +40,20 @@ config PMIC_ACT8846
functions. It uses an I2C interface and is designed for use with
tablets and smartphones.
config DM_PMIC_DA9063
bool "Enable Driver Model for the Dialog DA9063 PMIC"
depends on DM_PMIC
help
This config enables implementation of driver-model pmic uclass features
for PMIC DA9063. The driver implements read/write operations.
config SPL_DM_PMIC_DA9063
bool "Enable Driver Model for the Dialog DA9063 PMIC in SPL"
depends on DM_PMIC && SPL
help
This config enables implementation of driver-model pmic uclass features
for PMIC DA9063. The driver implements read/write operations.
config PMIC_AS3722
bool "Enable support for the Austria Micro Systems (AMS) AS7322 PMIC"
help
......
......@@ -5,6 +5,7 @@
obj-$(CONFIG_DM_PMIC) += pmic-uclass.o
obj-$(CONFIG_DM_PMIC_FAN53555) += fan53555.o
obj-$(CONFIG_$(SPL_)DM_PMIC_DA9063) += da9063.o
obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o
obj-$(CONFIG_DM_PMIC_MAX8998) += max8998.o
obj-$(CONFIG_DM_PMIC_MC34708) += mc34708.o
......
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Flowbird
* Martin Fuzzey <martin.fuzzey@flowbird.group>
*/
#include <common.h>
#include <fdtdec.h>
#include <errno.h>
#include <dm.h>
#include <i2c.h>
#include <power/pmic.h>
#include <power/regulator.h>
#include <power/da9063_pmic.h>
static const struct pmic_child_info pmic_children_info[] = {
{ .prefix = "ldo", .driver = DA9063_LDO_DRIVER },
{ .prefix = "b", .driver = DA9063_BUCK_DRIVER },
{ },
};
/*
* The register map is non contiguous and attempts to read in the holes fail.
* But "pmic dump" tries to dump the full register map.
* So define the holes here so we can fix that.
*/
struct da9063_reg_hole {
u16 first;
u16 last;
};
static const struct da9063_reg_hole da9063_reg_holes[] = {
DA9063_REG_HOLE_1,
DA9063_REG_HOLE_2,
DA9063_REG_HOLE_3,
/* These aren't readable. I can't see why from the datasheet but
* attempts to read fail and the kernel marks them unreadable too,
*/
{DA9063_REG_OTP_COUNT, DA9063_REG_OTP_DATA},
};
static int da9063_reg_count(struct udevice *dev)
{
return DA9063_NUM_OF_REGS;
}
static bool da9063_reg_valid(uint reg)
{
int i;
for (i = 0; i < ARRAY_SIZE(da9063_reg_holes); i++) {
const struct da9063_reg_hole *hole = &da9063_reg_holes[i];
if (reg >= hole->first && reg <= hole->last)
return false;
}
return true;
}
static int da9063_write(struct udevice *dev, uint reg, const uint8_t *buff,
int len)
{
if (dm_i2c_write(dev, reg, buff, len)) {
pr_err("write error to device: %p register: %#x!", dev, reg);
return -EIO;
}
return 0;
}
static int da9063_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
{
if (!da9063_reg_valid(reg))
return -ENODATA;
if (dm_i2c_read(dev, reg, buff, len)) {
pr_err("read error from device: %p register: %#x!", dev, reg);
return -EIO;
}
return 0;
}
static int da9063_bind(struct udevice *dev)
{
ofnode regulators_node;
int children;
regulators_node = dev_read_subnode(dev, "regulators");
if (!ofnode_valid(regulators_node)) {
debug("%s: %s regulators subnode not found!", __func__,
dev->name);
return -ENXIO;
}
debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
children = pmic_bind_children(dev, regulators_node, pmic_children_info);
if (!children)
debug("%s: %s - no child found\n", __func__, dev->name);
/* Always return success for this device */
return 0;
}
static int da9063_probe(struct udevice *dev)
{
return i2c_set_chip_addr_offset_mask(dev, 0x1);
}
static struct dm_pmic_ops da9063_ops = {
.reg_count = da9063_reg_count,
.read = da9063_read,
.write = da9063_write,
};
static const struct udevice_id da9063_ids[] = {
{ .compatible = "dlg,da9063" },
{ }
};
U_BOOT_DRIVER(pmic_da9063) = {
.name = "da9063_pmic",
.id = UCLASS_PMIC,
.of_match = da9063_ids,
.bind = da9063_bind,
.probe = da9063_probe,
.ops = &da9063_ops,
};
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2018 Flowbird
* Martin Fuzzey <martin.fuzzey@flowbird.group>
*/
#ifndef __DA9063_PMIC_H_
#define __DA9063_PMIC_H_
/* Register definitions below taken from the kernel */
/* Page selection I2C or SPI always in the beginning of any page. */
/* Page 0 : I2C access 0x000 - 0x0FF SPI access 0x000 - 0x07F */
/* Page 1 : SPI access 0x080 - 0x0FF */
/* Page 2 : I2C access 0x100 - 0x1FF SPI access 0x100 - 0x17F */
/* Page 3 : SPI access 0x180 - 0x1FF */
#define DA9063_REG_PAGE_CON 0x00
/* System Control and Event Registers */
#define DA9063_REG_STATUS_A 0x01
#define DA9063_REG_STATUS_B 0x02
#define DA9063_REG_STATUS_C 0x03
#define DA9063_REG_STATUS_D 0x04
#define DA9063_REG_FAULT_LOG 0x05
#define DA9063_REG_EVENT_A 0x06
#define DA9063_REG_EVENT_B 0x07
#define DA9063_REG_EVENT_C 0x08
#define DA9063_REG_EVENT_D 0x09
#define DA9063_REG_IRQ_MASK_A 0x0A
#define DA9063_REG_IRQ_MASK_B 0x0B
#define DA9063_REG_IRQ_MASK_C 0x0C
#define DA9063_REG_IRQ_MASK_D 0x0D
#define DA9063_REG_CONTROL_A 0x0E
#define DA9063_REG_CONTROL_B 0x0F
#define DA9063_REG_CONTROL_C 0x10
#define DA9063_REG_CONTROL_D 0x11
#define DA9063_REG_CONTROL_E 0x12
#define DA9063_REG_CONTROL_F 0x13
#define DA9063_REG_PD_DIS 0x14
/* GPIO Control Registers */
#define DA9063_REG_GPIO_0_1 0x15
#define DA9063_REG_GPIO_2_3 0x16
#define DA9063_REG_GPIO_4_5 0x17
#define DA9063_REG_GPIO_6_7 0x18
#define DA9063_REG_GPIO_8_9 0x19
#define DA9063_REG_GPIO_10_11 0x1A
#define DA9063_REG_GPIO_12_13 0x1B
#define DA9063_REG_GPIO_14_15 0x1C
#define DA9063_REG_GPIO_MODE0_7 0x1D
#define DA9063_REG_GPIO_MODE8_15 0x1E
#define DA9063_REG_SWITCH_CONT 0x1F
/* Regulator Control Registers */
#define DA9063_REG_BCORE2_CONT 0x20
#define DA9063_REG_BCORE1_CONT 0x21
#define DA9063_REG_BPRO_CONT 0x22
#define DA9063_REG_BMEM_CONT 0x23
#define DA9063_REG_BIO_CONT 0x24
#define DA9063_REG_BPERI_CONT 0x25
#define DA9063_REG_LDO1_CONT 0x26
#define DA9063_REG_LDO2_CONT 0x27
#define DA9063_REG_LDO3_CONT 0x28
#define DA9063_REG_LDO4_CONT 0x29
#define DA9063_REG_LDO5_CONT 0x2A
#define DA9063_REG_LDO6_CONT 0x2B
#define DA9063_REG_LDO7_CONT 0x2C
#define DA9063_REG_LDO8_CONT 0x2D
#define DA9063_REG_LDO9_CONT 0x2E
#define DA9063_REG_LDO10_CONT 0x2F
#define DA9063_REG_LDO11_CONT 0x30
#define DA9063_REG_SUPPLIES 0x31
#define DA9063_REG_DVC_1 0x32
#define DA9063_REG_DVC_2 0x33
/* GP-ADC Control Registers */
#define DA9063_REG_ADC_MAN 0x34
#define DA9063_REG_ADC_CONT 0x35
#define DA9063_REG_VSYS_MON 0x36
#define DA9063_REG_ADC_RES_L 0x37
#define DA9063_REG_ADC_RES_H 0x38
#define DA9063_REG_VSYS_RES 0x39
#define DA9063_REG_ADCIN1_RES 0x3A
#define DA9063_REG_ADCIN2_RES 0x3B
#define DA9063_REG_ADCIN3_RES 0x3C
#define DA9063_REG_MON_A8_RES 0x3D
#define DA9063_REG_MON_A9_RES 0x3E
#define DA9063_REG_MON_A10_RES 0x3F
/* RTC Calendar and Alarm Registers */
#define DA9063_REG_COUNT_S 0x40
#define DA9063_REG_COUNT_MI 0x41
#define DA9063_REG_COUNT_H 0x42
#define DA9063_REG_COUNT_D 0x43
#define DA9063_REG_COUNT_MO 0x44
#define DA9063_REG_COUNT_Y 0x45
#define DA9063_AD_REG_ALARM_MI 0x46
#define DA9063_AD_REG_ALARM_H 0x47
#define DA9063_AD_REG_ALARM_D 0x48
#define DA9063_AD_REG_ALARM_MO 0x49
#define DA9063_AD_REG_ALARM_Y 0x4A
#define DA9063_AD_REG_SECOND_A 0x4B
#define DA9063_AD_REG_SECOND_B 0x4C
#define DA9063_AD_REG_SECOND_C 0x4D
#define DA9063_AD_REG_SECOND_D 0x4E
#define DA9063_BB_REG_ALARM_S 0x46
#define DA9063_BB_REG_ALARM_MI 0x47
#define DA9063_BB_REG_ALARM_H 0x48
#define DA9063_BB_REG_ALARM_D 0x49
#define DA9063_BB_REG_ALARM_MO 0x4A
#define DA9063_BB_REG_ALARM_Y 0x4B
#define DA9063_BB_REG_SECOND_A 0x4C
#define DA9063_BB_REG_SECOND_B 0x4D
#define DA9063_BB_REG_SECOND_C 0x4E
#define DA9063_BB_REG_SECOND_D 0x4F
#define DA9063_REG_HOLE_1 {0x50, 0x7F}
/* Sequencer Control Registers */
#define DA9063_REG_SEQ 0x81
#define DA9063_REG_SEQ_TIMER 0x82
#define DA9063_REG_ID_2_1 0x83
#define DA9063_REG_ID_4_3 0x84
#define DA9063_REG_ID_6_5 0x85
#define DA9063_REG_ID_8_7 0x86
#define DA9063_REG_ID_10_9 0x87
#define DA9063_REG_ID_12_11 0x88
#define DA9063_REG_ID_14_13 0x89
#define DA9063_REG_ID_16_15 0x8A
#define DA9063_REG_ID_18_17 0x8B
#define DA9063_REG_ID_20_19 0x8C
#define DA9063_REG_ID_22_21 0x8D
#define DA9063_REG_ID_24_23 0x8E
#define DA9063_REG_ID_26_25 0x8F
#define DA9063_REG_ID_28_27 0x90
#define DA9063_REG_ID_30_29 0x91
#define DA9063_REG_ID_32_31 0x92
#define DA9063_REG_SEQ_A 0x95
#define DA9063_REG_SEQ_B 0x96
#define DA9063_REG_WAIT 0x97
#define DA9063_REG_EN_32K 0x98
#define DA9063_REG_RESET 0x99
/* Regulator Setting Registers */
#define DA9063_REG_BUCK_ILIM_A 0x9A
#define DA9063_REG_BUCK_ILIM_B 0x9B
#define DA9063_REG_BUCK_ILIM_C 0x9C
#define DA9063_REG_BCORE2_CFG 0x9D
#define DA9063_REG_BCORE1_CFG 0x9E
#define DA9063_REG_BPRO_CFG 0x9F
#define DA9063_REG_BIO_CFG 0xA0
#define DA9063_REG_BMEM_CFG 0xA1
#define DA9063_REG_BPERI_CFG 0xA2
#define DA9063_REG_VBCORE2_A 0xA3
#define DA9063_REG_VBCORE1_A 0xA4
#define DA9063_REG_VBPRO_A 0xA5
#define DA9063_REG_VBMEM_A 0xA6
#define DA9063_REG_VBIO_A 0xA7
#define DA9063_REG_VBPERI_A 0xA8
#define DA9063_REG_VLDO1_A 0xA9
#define DA9063_REG_VLDO2_A 0xAA
#define DA9063_REG_VLDO3_A 0xAB
#define DA9063_REG_VLDO4_A 0xAC
#define DA9063_REG_VLDO5_A 0xAD
#define DA9063_REG_VLDO6_A 0xAE
#define DA9063_REG_VLDO7_A 0xAF
#define DA9063_REG_VLDO8_A 0xB0
#define DA9063_REG_VLDO9_A 0xB1
#define DA9063_REG_VLDO10_A 0xB2
#define DA9063_REG_VLDO11_A 0xB3
#define DA9063_REG_VBCORE2_B 0xB4
#define DA9063_REG_VBCORE1_B 0xB5
#define DA9063_REG_VBPRO_B 0xB6
#define DA9063_REG_VBMEM_B 0xB7
#define DA9063_REG_VBIO_B 0xB8
#define DA9063_REG_VBPERI_B 0xB9
#define DA9063_REG_VLDO1_B 0xBA
#define DA9063_REG_VLDO2_B 0xBB
#define DA9063_REG_VLDO3_B 0xBC
#define DA9063_REG_VLDO4_B 0xBD
#define DA9063_REG_VLDO5_B 0xBE
#define DA9063_REG_VLDO6_B 0xBF
#define DA9063_REG_VLDO7_B 0xC0
#define DA9063_REG_VLDO8_B 0xC1
#define DA9063_REG_VLDO9_B 0xC2
#define DA9063_REG_VLDO10_B 0xC3
#define DA9063_REG_VLDO11_B 0xC4
/* Backup Battery Charger Control Register */
#define DA9063_REG_BBAT_CONT 0xC5
/* GPIO PWM (LED) */
#define DA9063_REG_GPO11_LED 0xC6
#define DA9063_REG_GPO14_LED 0xC7
#define DA9063_REG_GPO15_LED 0xC8
/* GP-ADC Threshold Registers */
#define DA9063_REG_ADC_CFG 0xC9
#define DA9063_REG_AUTO1_HIGH 0xCA
#define DA9063_REG_AUTO1_LOW 0xCB
#define DA9063_REG_AUTO2_HIGH 0xCC
#define DA9063_REG_AUTO2_LOW 0xCD
#define DA9063_REG_AUTO3_HIGH 0xCE
#define DA9063_REG_AUTO3_LOW 0xCF
#define DA9063_REG_HOLE_2 {0xD0, 0xFF}
/* DA9063 Configuration registers */
/* OTP */
#define DA9063_REG_OTP_COUNT 0x101
#define DA9063_REG_OTP_ADDR 0x102
#define DA9063_REG_OTP_DATA 0x103
/* Customer Trim and Configuration */
#define DA9063_REG_T_OFFSET 0x104
#define DA9063_REG_INTERFACE 0x105
#define DA9063_REG_CONFIG_A 0x106
#define DA9063_REG_CONFIG_B 0x107
#define DA9063_REG_CONFIG_C 0x108
#define DA9063_REG_CONFIG_D 0x109
#define DA9063_REG_CONFIG_E 0x10A
#define DA9063_REG_CONFIG_F 0x10B
#define DA9063_REG_CONFIG_G 0x10C
#define DA9063_REG_CONFIG_H 0x10D
#define DA9063_REG_CONFIG_I 0x10E
#define DA9063_REG_CONFIG_J 0x10F
#define DA9063_REG_CONFIG_K 0x110
#define DA9063_REG_CONFIG_L 0x111
#define DA9063_AD_REG_MON_REG_1 0x112
#define DA9063_AD_REG_MON_REG_2 0x113
#define DA9063_AD_REG_MON_REG_3 0x114
#define DA9063_AD_REG_MON_REG_4 0x115
#define DA9063_AD_REG_MON_REG_5 0x116
#define DA9063_AD_REG_MON_REG_6 0x117
#define DA9063_AD_REG_TRIM_CLDR 0x118
#define DA9063_AD_REG_GP_ID_0 0x119
#define DA9063_AD_REG_GP_ID_1 0x11A
#define DA9063_AD_REG_GP_ID_2 0x11B
#define DA9063_AD_REG_GP_ID_3 0x11C
#define DA9063_AD_REG_GP_ID_4 0x11D
#define DA9063_AD_REG_GP_ID_5 0x11E
#define DA9063_AD_REG_GP_ID_6 0x11F
#define DA9063_AD_REG_GP_ID_7 0x120
#define DA9063_AD_REG_GP_ID_8 0x121
#define DA9063_AD_REG_GP_ID_9 0x122
#define DA9063_AD_REG_GP_ID_10 0x123
#define DA9063_AD_REG_GP_ID_11 0x124
#define DA9063_AD_REG_GP_ID_12 0x125
#define DA9063_AD_REG_GP_ID_13 0x126
#define DA9063_AD_REG_GP_ID_14 0x127
#define DA9063_AD_REG_GP_ID_15 0x128
#define DA9063_AD_REG_GP_ID_16 0x129
#define DA9063_AD_REG_GP_ID_17 0x12A
#define DA9063_AD_REG_GP_ID_18 0x12B
#define DA9063_AD_REG_GP_ID_19 0x12C
#define DA9063_BB_REG_CONFIG_M 0x112
#define DA9063_BB_REG_CONFIG_N 0x113
#define DA9063_BB_REG_MON_REG_1 0x114
#define DA9063_BB_REG_MON_REG_2 0x115
#define DA9063_BB_REG_MON_REG_3 0x116
#define DA9063_BB_REG_MON_REG_4 0x117
#define DA9063_BB_REG_MON_REG_5 0x11E
#define DA9063_BB_REG_MON_REG_6 0x11F
#define DA9063_BB_REG_TRIM_CLDR 0x120
/* General Purpose Registers */
#define DA9063_BB_REG_GP_ID_0 0x121
#define DA9063_BB_REG_GP_ID_1 0x122
#define DA9063_BB_REG_GP_ID_2 0x123
#define DA9063_BB_REG_GP_ID_3 0x124
#define DA9063_BB_REG_GP_ID_4 0x125
#define DA9063_BB_REG_GP_ID_5 0x126
#define DA9063_BB_REG_GP_ID_6 0x127
#define DA9063_BB_REG_GP_ID_7 0x128
#define DA9063_BB_REG_GP_ID_8 0x129
#define DA9063_BB_REG_GP_ID_9 0x12A
#define DA9063_BB_REG_GP_ID_10 0x12B
#define DA9063_BB_REG_GP_ID_11 0x12C
#define DA9063_BB_REG_GP_ID_12 0x12D
#define DA9063_BB_REG_GP_ID_13 0x12E
#define DA9063_BB_REG_GP_ID_14 0x12F
#define DA9063_BB_REG_GP_ID_15 0x130
#define DA9063_BB_REG_GP_ID_16 0x131
#define DA9063_BB_REG_GP_ID_17 0x132
#define DA9063_BB_REG_GP_ID_18 0x133
#define DA9063_BB_REG_GP_ID_19 0x134
/* 0x135 - 0x13f are readable, but not documented */
#define DA9063_REG_HOLE_3 {0x140, 0x17F}
/* Chip ID and variant */
#define DA9063_REG_CHIP_ID 0x181
#define DA9063_REG_CHIP_VARIANT 0x182
#define DA9063_REG_CUSTOMER_ID 0x183
#define DA9063_REG_CONFIG_ID 0x184
#define DA9063_NUM_OF_REGS (DA9063_REG_CONFIG_ID + 1)
/* Drivers name */
#define DA9063_LDO_DRIVER "da9063_ldo"
#define DA9063_BUCK_DRIVER "da9063_buck"
#endif
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