power: supply: bq25980: Add support for the BQ259xx family

Add support for the BQ25980, BQ25975 and BQ25960 family of flash
chargers.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/Kconfig

@@ -636,6 +636,15 @@ config CHARGER_BQ25890
 	help
 	  Say Y to enable support for the TI BQ25890 battery charger.
 
+config CHARGER_BQ25980
+	tristate "TI BQ25980 battery charger driver"
+	depends on I2C
+	depends on GPIOLIB || COMPILE_TEST
+	select REGMAP_I2C
+	help
+	  Say Y to enable support for the TI BQ25980, BQ25975 and BQ25960
+	  series of fast battery chargers.
+
 config CHARGER_SMB347
 	tristate "Summit Microelectronics SMB3XX Battery Charger"
 	depends on I2C

drivers/power/supply/Makefile

@@ -84,6 +84,7 @@ obj-$(CONFIG_CHARGER_BQ24257)	+= bq24257_charger.o
 obj-$(CONFIG_CHARGER_BQ24735)	+= bq24735-charger.o
 obj-$(CONFIG_CHARGER_BQ2515X)	+= bq2515x_charger.o
 obj-$(CONFIG_CHARGER_BQ25890)	+= bq25890_charger.o
+obj-$(CONFIG_CHARGER_BQ25980)	+= bq25980_charger.o
 obj-$(CONFIG_CHARGER_SMB347)	+= smb347-charger.o
 obj-$(CONFIG_CHARGER_TPS65090)	+= tps65090-charger.o
 obj-$(CONFIG_CHARGER_TPS65217)	+= tps65217_charger.o

drivers/power/supply/bq25980_charger.h

@@ -0,0 +1,178 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ */
+
+#ifndef BQ25980_CHARGER_H
+#define BQ25980_CHARGER_H
+
+#define BQ25980_MANUFACTURER "Texas Instruments"
+
+#define BQ25980_BATOVP			0x0
+#define BQ25980_BATOVP_ALM		0x1
+#define BQ25980_BATOCP			0x2
+#define BQ25980_BATOCP_ALM		0x3
+#define BQ25980_BATUCP_ALM		0x4
+#define BQ25980_CHRGR_CTRL_1	0x5
+#define BQ25980_BUSOVP			0x6
+#define BQ25980_BUSOVP_ALM		0x7
+#define BQ25980_BUSOCP			0x8
+#define BQ25980_BUSOCP_ALM		0x9
+#define BQ25980_TEMP_CONTROL		0xA
+#define BQ25980_TDIE_ALM		0xB
+#define BQ25980_TSBUS_FLT		0xC
+#define BQ25980_TSBAT_FLG		0xD
+#define BQ25980_VAC_CONTROL		0xE
+#define BQ25980_CHRGR_CTRL_2	0xF
+#define BQ25980_CHRGR_CTRL_3	0x10
+#define BQ25980_CHRGR_CTRL_4	0x11
+#define BQ25980_CHRGR_CTRL_5	0x12
+#define BQ25980_STAT1			0x13
+#define BQ25980_STAT2			0x14
+#define BQ25980_STAT3			0x15
+#define BQ25980_STAT4			0x16
+#define BQ25980_STAT5			0x17
+#define BQ25980_FLAG1			0x18
+#define BQ25980_FLAG2			0x19
+#define BQ25980_FLAG3			0x1A
+#define BQ25980_FLAG4			0x1B
+#define BQ25980_FLAG5			0x1C
+#define BQ25980_MASK1			0x1D
+#define BQ25980_MASK2			0x1E
+#define BQ25980_MASK3			0x1F
+#define BQ25980_MASK4			0x20
+#define BQ25980_MASK5			0x21
+#define BQ25980_DEVICE_INFO		0x22
+#define BQ25980_ADC_CONTROL1		0x23
+#define BQ25980_ADC_CONTROL2		0x24
+#define BQ25980_IBUS_ADC_MSB		0x25
+#define BQ25980_IBUS_ADC_LSB		0x26
+#define BQ25980_VBUS_ADC_MSB		0x27
+#define BQ25980_VBUS_ADC_LSB		0x28
+#define BQ25980_VAC1_ADC_MSB		0x29
+#define BQ25980_VAC1_ADC_LSB		0x2A
+#define BQ25980_VAC2_ADC_MSB		0x2B
+#define BQ25980_VAC2_ADC_LSB		0x2C
+#define BQ25980_VOUT_ADC_MSB		0x2D
+#define BQ25980_VOUT_ADC_LSB		0x2E
+#define BQ25980_VBAT_ADC_MSB		0x2F
+#define BQ25980_VBAT_ADC_LSB		0x30
+#define BQ25980_IBAT_ADC_MSB		0x31
+#define BQ25980_IBAT_ADC_LSB		0x32
+#define BQ25980_TSBUS_ADC_MSB		0x33
+#define BQ25980_TSBUS_ADC_LSB		0x34
+#define BQ25980_TSBAT_ADC_MSB		0x35
+#define BQ25980_TSBAT_ADC_LSB		0x36
+#define BQ25980_TDIE_ADC_MSB		0x37
+#define BQ25980_TDIE_ADC_LSB		0x38
+#define BQ25980_DEGLITCH_TIME		0x39
+#define BQ25980_CHRGR_CTRL_6	0x3A
+
+#define BQ25980_BUSOCP_STEP_uA		250000
+#define BQ25980_BUSOCP_OFFSET_uA	1000000
+
+#define BQ25980_BUSOCP_DFLT_uA		4250000
+#define BQ25975_BUSOCP_DFLT_uA		4250000
+#define BQ25960_BUSOCP_DFLT_uA		3250000
+
+#define BQ25980_BUSOCP_MIN_uA		1000000
+
+#define BQ25980_BUSOCP_SC_MAX_uA	5750000
+#define BQ25975_BUSOCP_SC_MAX_uA	5750000
+#define BQ25960_BUSOCP_SC_MAX_uA	3750000
+
+#define BQ25980_BUSOCP_BYP_MAX_uA	8500000
+#define BQ25975_BUSOCP_BYP_MAX_uA	8500000
+#define BQ25960_BUSOCP_BYP_MAX_uA	5750000
+
+#define BQ25980_BUSOVP_SC_STEP_uV	100000
+#define BQ25975_BUSOVP_SC_STEP_uV	50000
+#define BQ25960_BUSOVP_SC_STEP_uV	50000
+#define BQ25980_BUSOVP_SC_OFFSET_uV	14000000
+#define BQ25975_BUSOVP_SC_OFFSET_uV	7000000
+#define BQ25960_BUSOVP_SC_OFFSET_uV	7000000
+
+#define BQ25980_BUSOVP_BYP_STEP_uV	50000
+#define BQ25975_BUSOVP_BYP_STEP_uV	25000
+#define BQ25960_BUSOVP_BYP_STEP_uV	25000
+#define BQ25980_BUSOVP_BYP_OFFSET_uV	7000000
+#define BQ25975_BUSOVP_BYP_OFFSET_uV	3500000
+#define BQ25960_BUSOVP_BYP_OFFSET_uV	3500000
+
+#define BQ25980_BUSOVP_DFLT_uV		17800000
+#define BQ25980_BUSOVP_BYPASS_DFLT_uV	8900000
+#define BQ25975_BUSOVP_DFLT_uV		8900000
+#define BQ25975_BUSOVP_BYPASS_DFLT_uV	4450000
+#define BQ25960_BUSOVP_DFLT_uV		8900000
+
+#define BQ25980_BUSOVP_SC_MIN_uV	14000000
+#define BQ25975_BUSOVP_SC_MIN_uV	7000000
+#define BQ25960_BUSOVP_SC_MIN_uV	7000000
+#define BQ25980_BUSOVP_BYP_MIN_uV	7000000
+#define BQ25975_BUSOVP_BYP_MIN_uV	3500000
+#define BQ25960_BUSOVP_BYP_MIN_uV	3500000
+
+#define BQ25980_BUSOVP_SC_MAX_uV	22000000
+#define BQ25975_BUSOVP_SC_MAX_uV	12750000
+#define BQ25960_BUSOVP_SC_MAX_uV	12750000
+
+#define BQ25980_BUSOVP_BYP_MAX_uV	12750000
+#define BQ25975_BUSOVP_BYP_MAX_uV	6500000
+#define BQ25960_BUSOVP_BYP_MAX_uV	6500000
+
+#define BQ25980_BATOVP_STEP_uV		20000
+#define BQ25975_BATOVP_STEP_uV		10000
+#define BQ25960_BATOVP_STEP_uV		10000
+
+#define BQ25980_BATOVP_OFFSET_uV	7000000
+#define BQ25975_BATOVP_OFFSET_uV	3500000
+#define BQ25960_BATOVP_OFFSET_uV	3500000
+
+#define BQ25980_BATOVP_DFLT_uV		14000000
+#define BQ25975_BATOVP_DFLT_uV		8900000
+#define BQ25960_BATOVP_DFLT_uV		8900000
+
+#define BQ25980_BATOVP_MIN_uV		7000000
+#define BQ25975_BATOVP_MIN_uV		3500000
+#define BQ25960_BATOVP_MIN_uV		3500000
+
+#define BQ25980_BATOVP_MAX_uV		9540000
+#define BQ25975_BATOVP_MAX_uV		4770000
+#define BQ25960_BATOVP_MAX_uV		4770000
+
+#define BQ25980_BATOCP_STEP_uA		100000
+
+#define BQ25980_BATOCP_MASK		GENMASK(6, 0)
+
+#define BQ25980_BATOCP_DFLT_uA		8100000
+#define BQ25960_BATOCP_DFLT_uA		6100000
+
+#define BQ25980_BATOCP_MIN_uA		2000000
+
+#define BQ25980_BATOCP_MAX_uA		11000000
+#define BQ25975_BATOCP_MAX_uA		11000000
+#define BQ25960_BATOCP_MAX_uA		7000000
+
+#define BQ25980_ENABLE_HIZ		0xff
+#define BQ25980_DISABLE_HIZ		0x0
+#define BQ25980_EN_BYPASS		BIT(3)
+#define BQ25980_STAT1_OVP_MASK		(BIT(6) | BIT(5) | BIT(0))
+#define BQ25980_STAT3_OVP_MASK		(BIT(7) | BIT(6))
+#define BQ25980_STAT1_OCP_MASK		BIT(3)
+#define BQ25980_STAT2_OCP_MASK		(BIT(6) | BIT(1))
+#define BQ25980_STAT4_TFLT_MASK		GENMASK(5, 1)
+#define BQ25980_WD_STAT			BIT(0)
+#define BQ25980_PRESENT_MASK		GENMASK(4, 2)
+#define BQ25980_CHG_EN			BIT(4)
+#define BQ25980_EN_HIZ			BIT(6)
+#define BQ25980_ADC_EN			BIT(7)
+
+#define BQ25980_ADC_VOLT_STEP_uV        1000
+#define BQ25980_ADC_CURR_STEP_uA        1000
+#define BQ25980_ADC_POLARITY_BIT	BIT(7)
+
+#define BQ25980_WATCHDOG_MASK	GENMASK(4, 3)
+#define BQ25980_WATCHDOG_DIS	BIT(2)
+#define BQ25980_WATCHDOG_MAX	300000
+#define BQ25980_WATCHDOG_MIN	0
+#define BQ25980_NUM_WD_VAL	4
+
+#endif /* BQ25980_CHARGER_H */