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OpenCloudOS-Kernel/drivers/mfd/mt6360-core.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2020 MediaTek Inc.
*
* Author: Gene Chen <gene_chen@richtek.com>
*/
#include <linux/crc8.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/mfd/mt6360.h>
/* reg 0 -> 0 ~ 7 */
#define MT6360_CHG_TREG_EVT 4
#define MT6360_CHG_AICR_EVT 5
#define MT6360_CHG_MIVR_EVT 6
#define MT6360_PWR_RDY_EVT 7
/* REG 1 -> 8 ~ 15 */
#define MT6360_CHG_BATSYSUV_EVT 9
#define MT6360_FLED_CHG_VINOVP_EVT 11
#define MT6360_CHG_VSYSUV_EVT 12
#define MT6360_CHG_VSYSOV_EVT 13
#define MT6360_CHG_VBATOV_EVT 14
#define MT6360_CHG_VBUSOV_EVT 15
/* REG 2 -> 16 ~ 23 */
/* REG 3 -> 24 ~ 31 */
#define MT6360_WD_PMU_DET 25
#define MT6360_WD_PMU_DONE 26
#define MT6360_CHG_TMRI 27
#define MT6360_CHG_ADPBADI 29
#define MT6360_CHG_RVPI 30
#define MT6360_OTPI 31
/* REG 4 -> 32 ~ 39 */
#define MT6360_CHG_AICCMEASL 32
#define MT6360_CHGDET_DONEI 34
#define MT6360_WDTMRI 35
#define MT6360_SSFINISHI 36
#define MT6360_CHG_RECHGI 37
#define MT6360_CHG_TERMI 38
#define MT6360_CHG_IEOCI 39
/* REG 5 -> 40 ~ 47 */
#define MT6360_PUMPX_DONEI 40
#define MT6360_BAT_OVP_ADC_EVT 41
#define MT6360_TYPEC_OTP_EVT 42
#define MT6360_ADC_WAKEUP_EVT 43
#define MT6360_ADC_DONEI 44
#define MT6360_BST_BATUVI 45
#define MT6360_BST_VBUSOVI 46
#define MT6360_BST_OLPI 47
/* REG 6 -> 48 ~ 55 */
#define MT6360_ATTACH_I 48
#define MT6360_DETACH_I 49
#define MT6360_QC30_STPDONE 51
#define MT6360_QC_VBUSDET_DONE 52
#define MT6360_HVDCP_DET 53
#define MT6360_CHGDETI 54
#define MT6360_DCDTI 55
/* REG 7 -> 56 ~ 63 */
#define MT6360_FOD_DONE_EVT 56
#define MT6360_FOD_OV_EVT 57
#define MT6360_CHRDET_UVP_EVT 58
#define MT6360_CHRDET_OVP_EVT 59
#define MT6360_CHRDET_EXT_EVT 60
#define MT6360_FOD_LR_EVT 61
#define MT6360_FOD_HR_EVT 62
#define MT6360_FOD_DISCHG_FAIL_EVT 63
/* REG 8 -> 64 ~ 71 */
#define MT6360_USBID_EVT 64
#define MT6360_APWDTRST_EVT 65
#define MT6360_EN_EVT 66
#define MT6360_QONB_RST_EVT 67
#define MT6360_MRSTB_EVT 68
#define MT6360_OTP_EVT 69
#define MT6360_VDDAOV_EVT 70
#define MT6360_SYSUV_EVT 71
/* REG 9 -> 72 ~ 79 */
#define MT6360_FLED_STRBPIN_EVT 72
#define MT6360_FLED_TORPIN_EVT 73
#define MT6360_FLED_TX_EVT 74
#define MT6360_FLED_LVF_EVT 75
#define MT6360_FLED2_SHORT_EVT 78
#define MT6360_FLED1_SHORT_EVT 79
/* REG 10 -> 80 ~ 87 */
#define MT6360_FLED2_STRB_EVT 80
#define MT6360_FLED1_STRB_EVT 81
#define MT6360_FLED2_STRB_TO_EVT 82
#define MT6360_FLED1_STRB_TO_EVT 83
#define MT6360_FLED2_TOR_EVT 84
#define MT6360_FLED1_TOR_EVT 85
/* REG 11 -> 88 ~ 95 */
/* REG 12 -> 96 ~ 103 */
#define MT6360_BUCK1_PGB_EVT 96
#define MT6360_BUCK1_OC_EVT 100
#define MT6360_BUCK1_OV_EVT 101
#define MT6360_BUCK1_UV_EVT 102
/* REG 13 -> 104 ~ 111 */
#define MT6360_BUCK2_PGB_EVT 104
#define MT6360_BUCK2_OC_EVT 108
#define MT6360_BUCK2_OV_EVT 109
#define MT6360_BUCK2_UV_EVT 110
/* REG 14 -> 112 ~ 119 */
#define MT6360_LDO1_OC_EVT 113
#define MT6360_LDO2_OC_EVT 114
#define MT6360_LDO3_OC_EVT 115
#define MT6360_LDO5_OC_EVT 117
#define MT6360_LDO6_OC_EVT 118
#define MT6360_LDO7_OC_EVT 119
/* REG 15 -> 120 ~ 127 */
#define MT6360_LDO1_PGB_EVT 121
#define MT6360_LDO2_PGB_EVT 122
#define MT6360_LDO3_PGB_EVT 123
#define MT6360_LDO5_PGB_EVT 125
#define MT6360_LDO6_PGB_EVT 126
#define MT6360_LDO7_PGB_EVT 127
static const struct regmap_irq mt6360_irqs[] = {
REGMAP_IRQ_REG_LINE(MT6360_CHG_TREG_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_AICR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_MIVR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_PWR_RDY_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_BATSYSUV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED_CHG_VINOVP_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSUV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSOV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_VBATOV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_VBUSOV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DET, 8),
REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DONE, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_TMRI, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_ADPBADI, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_RVPI, 8),
REGMAP_IRQ_REG_LINE(MT6360_OTPI, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_AICCMEASL, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHGDET_DONEI, 8),
REGMAP_IRQ_REG_LINE(MT6360_WDTMRI, 8),
REGMAP_IRQ_REG_LINE(MT6360_SSFINISHI, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_RECHGI, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_TERMI, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_IEOCI, 8),
REGMAP_IRQ_REG_LINE(MT6360_PUMPX_DONEI, 8),
REGMAP_IRQ_REG_LINE(MT6360_BAT_OVP_ADC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_TYPEC_OTP_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_ADC_WAKEUP_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_ADC_DONEI, 8),
REGMAP_IRQ_REG_LINE(MT6360_BST_BATUVI, 8),
REGMAP_IRQ_REG_LINE(MT6360_BST_VBUSOVI, 8),
REGMAP_IRQ_REG_LINE(MT6360_BST_OLPI, 8),
REGMAP_IRQ_REG_LINE(MT6360_ATTACH_I, 8),
REGMAP_IRQ_REG_LINE(MT6360_DETACH_I, 8),
REGMAP_IRQ_REG_LINE(MT6360_QC30_STPDONE, 8),
REGMAP_IRQ_REG_LINE(MT6360_QC_VBUSDET_DONE, 8),
REGMAP_IRQ_REG_LINE(MT6360_HVDCP_DET, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHGDETI, 8),
REGMAP_IRQ_REG_LINE(MT6360_DCDTI, 8),
REGMAP_IRQ_REG_LINE(MT6360_FOD_DONE_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FOD_OV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHRDET_UVP_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHRDET_OVP_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHRDET_EXT_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FOD_LR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FOD_HR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FOD_DISCHG_FAIL_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_USBID_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_APWDTRST_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_EN_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_QONB_RST_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_MRSTB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_OTP_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_VDDAOV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_SYSUV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED_STRBPIN_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED_TORPIN_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED_TX_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED_LVF_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED2_SHORT_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED1_SHORT_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_TO_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_TO_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED2_TOR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_FLED1_TOR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK1_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK1_UV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK2_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_BUCK2_UV_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO1_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO2_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO3_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO5_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO6_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO7_OC_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO1_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO2_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO3_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO5_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO6_PGB_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_LDO7_PGB_EVT, 8),
};
static int mt6360_pmu_handle_post_irq(void *irq_drv_data)
{
struct mt6360_ddata *ddata = irq_drv_data;
return regmap_update_bits(ddata->regmap,
MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG);
}
static struct regmap_irq_chip mt6360_irq_chip = {
.irqs = mt6360_irqs,
.num_irqs = ARRAY_SIZE(mt6360_irqs),
.num_regs = MT6360_PMU_IRQ_REGNUM,
.mask_base = MT6360_PMU_CHG_MASK1,
.status_base = MT6360_PMU_CHG_IRQ1,
.ack_base = MT6360_PMU_CHG_IRQ1,
.init_ack_masked = true,
.use_ack = true,
.handle_post_irq = mt6360_pmu_handle_post_irq,
};
static const struct regmap_config mt6360_pmu_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = MT6360_PMU_MAXREG,
};
static const struct resource mt6360_adc_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_ADC_DONEI, "adc_donei"),
};
static const struct resource mt6360_chg_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_CHG_TREG_EVT, "chg_treg_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_PWR_RDY_EVT, "pwr_rdy_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_BATSYSUV_EVT, "chg_batsysuv_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSUV_EVT, "chg_vsysuv_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSOV_EVT, "chg_vsysov_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBATOV_EVT, "chg_vbatov_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBUSOV_EVT, "chg_vbusov_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_AICCMEASL, "chg_aiccmeasl"),
DEFINE_RES_IRQ_NAMED(MT6360_WDTMRI, "wdtmri"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_RECHGI, "chg_rechgi"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_TERMI, "chg_termi"),
DEFINE_RES_IRQ_NAMED(MT6360_CHG_IEOCI, "chg_ieoci"),
DEFINE_RES_IRQ_NAMED(MT6360_PUMPX_DONEI, "pumpx_donei"),
DEFINE_RES_IRQ_NAMED(MT6360_ATTACH_I, "attach_i"),
DEFINE_RES_IRQ_NAMED(MT6360_CHRDET_EXT_EVT, "chrdet_ext_evt"),
};
static const struct resource mt6360_led_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_FLED_CHG_VINOVP_EVT, "fled_chg_vinovp_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_FLED_LVF_EVT, "fled_lvf_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_FLED2_SHORT_EVT, "fled2_short_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_FLED1_SHORT_EVT, "fled1_short_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_FLED2_STRB_TO_EVT, "fled2_strb_to_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_FLED1_STRB_TO_EVT, "fled1_strb_to_evt"),
};
static const struct resource mt6360_regulator_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_PGB_EVT, "buck1_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OC_EVT, "buck1_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OV_EVT, "buck1_ov_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_UV_EVT, "buck1_uv_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_PGB_EVT, "buck2_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OC_EVT, "buck2_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OV_EVT, "buck2_ov_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_UV_EVT, "buck2_uv_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO6_OC_EVT, "ldo6_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO5_OC_EVT, "ldo5_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO1_PGB_EVT, "ldo1_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO2_PGB_EVT, "ldo2_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO3_PGB_EVT, "ldo3_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO5_PGB_EVT, "ldo5_pgb_evt"),
};
static const struct mfd_cell mt6360_devs[] = {
MFD_CELL_OF("mt6360-adc", mt6360_adc_resources,
NULL, 0, 0, "mediatek,mt6360-adc"),
MFD_CELL_OF("mt6360-chg", mt6360_chg_resources,
NULL, 0, 0, "mediatek,mt6360-chg"),
MFD_CELL_OF("mt6360-led", mt6360_led_resources,
NULL, 0, 0, "mediatek,mt6360-led"),
MFD_CELL_RES("mt6360-regulator", mt6360_regulator_resources),
MFD_CELL_OF("mt6360-tcpc", NULL,
NULL, 0, 0, "mediatek,mt6360-tcpc"),
};
static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
MT6360_PMU_SLAVEID,
MT6360_PMIC_SLAVEID,
MT6360_LDO_SLAVEID,
MT6360_TCPC_SLAVEID,
};
static int mt6360_probe(struct i2c_client *client)
{
struct mt6360_ddata *ddata;
unsigned int reg_data;
int i, ret;
ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL);
if (!ddata)
return -ENOMEM;
ddata->dev = &client->dev;
i2c_set_clientdata(client, ddata);
ddata->regmap = devm_regmap_init_i2c(client, &mt6360_pmu_regmap_config);
if (IS_ERR(ddata->regmap)) {
dev_err(&client->dev, "Failed to register regmap\n");
return PTR_ERR(ddata->regmap);
}
ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &reg_data);
if (ret) {
dev_err(&client->dev, "Device not found\n");
return ret;
}
ddata->chip_rev = reg_data & CHIP_REV_MASK;
if (ddata->chip_rev != CHIP_VEN_MT6360) {
dev_err(&client->dev, "Device not supported\n");
return -ENODEV;
}
mt6360_irq_chip.irq_drv_data = ddata;
ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
IRQF_TRIGGER_FALLING, 0,
&mt6360_irq_chip, &ddata->irq_data);
if (ret) {
dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
return ret;
}
ddata->i2c[0] = client;
for (i = 1; i < MT6360_SLAVE_MAX; i++) {
ddata->i2c[i] = devm_i2c_new_dummy_device(&client->dev,
client->adapter,
mt6360_slave_addr[i]);
if (IS_ERR(ddata->i2c[i])) {
dev_err(&client->dev,
"Failed to get new dummy I2C device for address 0x%x",
mt6360_slave_addr[i]);
return PTR_ERR(ddata->i2c[i]);
}
i2c_set_clientdata(ddata->i2c[i], ddata);
}
ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL,
0, regmap_irq_get_domain(ddata->irq_data));
if (ret) {
dev_err(&client->dev,
"Failed to register subordinate devices\n");
return ret;
}
return 0;
}
static int __maybe_unused mt6360_suspend(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
if (device_may_wakeup(dev))
enable_irq_wake(i2c->irq);
return 0;
}
static int __maybe_unused mt6360_resume(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
if (device_may_wakeup(dev))
disable_irq_wake(i2c->irq);
return 0;
}
static SIMPLE_DEV_PM_OPS(mt6360_pm_ops, mt6360_suspend, mt6360_resume);
static const struct of_device_id __maybe_unused mt6360_of_id[] = {
{ .compatible = "mediatek,mt6360", },
{},
};
MODULE_DEVICE_TABLE(of, mt6360_of_id);
static struct i2c_driver mt6360_driver = {
.driver = {
.name = "mt6360",
.pm = &mt6360_pm_ops,
.of_match_table = of_match_ptr(mt6360_of_id),
},
.probe_new = mt6360_probe,
};
module_i2c_driver(mt6360_driver);
MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
MODULE_DESCRIPTION("MT6360 I2C Driver");
MODULE_LICENSE("GPL v2");
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