mfd: tps65219: Add support for TI TPS65215 PMIC

Use chip ID and chip_data struct to differentiate between devices in
probe(). Add TPS65215 resource information. Update descriptions and
copyright information to reflect the driver supports 2 PMIC devices.

Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@ti.com>
Link: https://lore.kernel.org/r/20250206173725.386720-5-s-ramamoorthy@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>

1 files changed, 144 insertions, 6 deletions

diff --git a/drivers/mfd/tps65219.c b/drivers/mfd/tps65219.c
index 4aca922658e3..d4788ebcb5c4 100644
--- a/drivers/mfd/tps65219.c
+++ b/drivers/mfd/tps65219.c
@@ -1,8 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 //
-// Driver for TPS65219 Integrated Power Management Integrated Chips (PMIC)
+// Driver for TPS65215/TPS65219 Power Management Integrated Chips (PMIC)
 //
 // Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/
+// Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
 
 #include <linux/i2c.h>
 #include <linux/reboot.h>
@@ -59,6 +60,46 @@ static const struct resource tps65219_pwrbutton_resources[] = {
 	DEFINE_RES_IRQ_NAMED(TPS65219_INT_PB_RISING_EDGE_DETECT, "rising"),
 };
 
+static const struct resource tps65215_regulator_resources[] = {
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO1_SCG, "LDO1_SCG"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO1_OC, "LDO1_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO1_UV, "LDO1_UV"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO2_SCG, "LDO2_SCG"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO2_OC, "LDO2_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO2_UV, "LDO2_UV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_SCG, "BUCK3_SCG"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_OC, "BUCK3_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_NEG_OC, "BUCK3_NEG_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_UV, "BUCK3_UV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_SCG, "BUCK1_SCG"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_OC, "BUCK1_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_NEG_OC, "BUCK1_NEG_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_UV, "BUCK1_UV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_SCG, "BUCK2_SCG"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_OC, "BUCK2_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_NEG_OC, "BUCK2_NEG_OC"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_UV, "BUCK2_UV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_RV, "BUCK1_RV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_RV, "BUCK2_RV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_RV, "BUCK3_RV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_RV, "LDO1_RV"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO2_RV, "LDO2_RV"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_RV_SD, "BUCK1_RV_SD"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_RV_SD, "BUCK2_RV_SD"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_RV_SD, "BUCK3_RV_SD"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_RV_SD, "LDO1_RV_SD"),
+	DEFINE_RES_IRQ_NAMED(TPS65215_INT_LDO2_RV_SD, "LDO2_RV_SD"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_TIMEOUT, "TIMEOUT"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_3_WARM, "SENSOR_3_WARM"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_2_WARM, "SENSOR_2_WARM"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_1_WARM, "SENSOR_1_WARM"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_0_WARM, "SENSOR_0_WARM"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_3_HOT, "SENSOR_3_HOT"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_2_HOT, "SENSOR_2_HOT"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_1_HOT, "SENSOR_1_HOT"),
+	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_0_HOT, "SENSOR_0_HOT"),
+};
+
 static const struct resource tps65219_regulator_resources[] = {
 	DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_SCG, "LDO3_SCG"),
 	DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_OC, "LDO3_OC"),
@@ -109,6 +150,11 @@ static const struct resource tps65219_regulator_resources[] = {
 	DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_0_HOT, "SENSOR_0_HOT"),
 };
 
+static const struct mfd_cell tps65215_cells[] = {
+	MFD_CELL_RES("tps65215-regulator", tps65215_regulator_resources),
+	MFD_CELL_NAME("tps65215-gpio"),
+};
+
 static const struct mfd_cell tps65219_cells[] = {
 	MFD_CELL_RES("tps65219-regulator", tps65219_regulator_resources),
 	MFD_CELL_NAME("tps65219-gpio"),
@@ -136,6 +182,8 @@ static unsigned int bit3_offsets[] = { TPS65219_REG_INT_BUCK_1_2_POS };	/* Buck
 static unsigned int bit4_offsets[] = { TPS65219_REG_INT_BUCK_3_POS };	/* Buck 3 */
 static unsigned int bit5_offsets[] = { TPS65219_REG_INT_LDO_1_2_POS };	/* LDO 1-2 */
 static unsigned int bit6_offsets[] = { TPS65219_REG_INT_LDO_3_4_POS };	/* LDO 3-4 */
+static unsigned int tps65215_bit5_offsets[] = { TPS65215_REG_INT_LDO_1_POS };
+static unsigned int tps65215_bit6_offsets[] = { TPS65215_REG_INT_LDO_2_POS };
 static unsigned int bit7_offsets[] = { TPS65219_REG_INT_PB_POS };	/* Power Button */
 
 static struct regmap_irq_sub_irq_map tps65219_sub_irq_offsets[] = {
@@ -149,9 +197,62 @@ static struct regmap_irq_sub_irq_map tps65219_sub_irq_offsets[] = {
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets),
 };
 
+static struct regmap_irq_sub_irq_map tps65215_sub_irq_offsets[] = {
+	REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(bit3_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(bit4_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(tps65215_bit5_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(tps65215_bit6_offsets),
+	REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets),
+};
+
 #define TPS65219_REGMAP_IRQ_REG(int_name, register_position) \
 	REGMAP_IRQ_REG(int_name, register_position, int_name##_MASK)
 
+static const struct regmap_irq tps65215_irqs[] = {
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO1_SCG, TPS65215_REG_INT_LDO_1_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO1_OC, TPS65215_REG_INT_LDO_1_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO1_UV, TPS65215_REG_INT_LDO_1_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO2_SCG, TPS65215_REG_INT_LDO_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO2_OC, TPS65215_REG_INT_LDO_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO2_UV, TPS65215_REG_INT_LDO_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_SCG, TPS65219_REG_INT_BUCK_3_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_OC, TPS65219_REG_INT_BUCK_3_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_NEG_OC, TPS65219_REG_INT_BUCK_3_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_UV, TPS65219_REG_INT_BUCK_3_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_SCG, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_OC, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_NEG_OC, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_UV, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_SCG, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_OC, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_NEG_OC, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_UV, TPS65219_REG_INT_BUCK_1_2_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_3_WARM, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_2_WARM, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_1_WARM, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_0_WARM, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_3_HOT, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_2_HOT, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_1_HOT, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_0_HOT, TPS65219_REG_INT_SYS_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_RV, TPS65219_REG_INT_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_RV, TPS65219_REG_INT_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_RV, TPS65219_REG_INT_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_RV, TPS65219_REG_INT_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO2_RV, TPS65219_REG_INT_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_RV_SD, TPS65219_REG_INT_TO_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_RV_SD, TPS65219_REG_INT_TO_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_RV_SD, TPS65219_REG_INT_TO_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_RV_SD, TPS65219_REG_INT_TO_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65215_INT_LDO2_RV_SD, TPS65219_REG_INT_TO_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_TIMEOUT, TPS65219_REG_INT_TO_RV_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_PB_FALLING_EDGE_DETECT, TPS65219_REG_INT_PB_POS),
+	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_PB_RISING_EDGE_DETECT, TPS65219_REG_INT_PB_POS),
+};
+
 static const struct regmap_irq tps65219_irqs[] = {
 	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_SCG, TPS65219_REG_INT_LDO_3_4_POS),
 	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_OC, TPS65219_REG_INT_LDO_3_4_POS),
@@ -204,6 +305,20 @@ static const struct regmap_irq tps65219_irqs[] = {
 	TPS65219_REGMAP_IRQ_REG(TPS65219_INT_PB_RISING_EDGE_DETECT, TPS65219_REG_INT_PB_POS),
 };
 
+static const struct regmap_irq_chip tps65215_irq_chip = {
+	.name = "tps65215_irq",
+	.main_status = TPS65219_REG_INT_SOURCE,
+	.num_main_regs = 1,
+	.num_main_status_bits = 8,
+	.irqs = tps65215_irqs,
+	.num_irqs = ARRAY_SIZE(tps65215_irqs),
+	.status_base = TPS65215_REG_INT_LDO_2,
+	.ack_base = TPS65215_REG_INT_LDO_2,
+	.clear_ack = 1,
+	.num_regs = 8,
+	.sub_reg_offsets = tps65215_sub_irq_offsets,
+};
+
 static const struct regmap_irq_chip tps65219_irq_chip = {
 	.name = "tps65219_irq",
 	.main_status = TPS65219_REG_INT_SOURCE,
@@ -218,9 +333,29 @@ static const struct regmap_irq_chip tps65219_irq_chip = {
 	.sub_reg_offsets = tps65219_sub_irq_offsets,
 };
 
+struct tps65219_chip_data {
+	const struct regmap_irq_chip *irq_chip;
+	const struct mfd_cell *cells;
+	int n_cells;
+};
+
+static struct tps65219_chip_data chip_info_table[] = {
+	[TPS65215] = {
+		.irq_chip = &tps65215_irq_chip,
+		.cells = tps65215_cells,
+		.n_cells = ARRAY_SIZE(tps65215_cells),
+	},
+	[TPS65219] = {
+		.irq_chip = &tps65219_irq_chip,
+		.cells = tps65219_cells,
+		.n_cells = ARRAY_SIZE(tps65219_cells),
+	},
+};
+
 static int tps65219_probe(struct i2c_client *client)
 {
 	struct tps65219 *tps;
+	struct tps65219_chip_data *pmic;
 	bool pwr_button;
 	int ret;
 
@@ -231,6 +366,8 @@ static int tps65219_probe(struct i2c_client *client)
 	i2c_set_clientdata(client, tps);
 
 	tps->dev = &client->dev;
+	tps->chip_id = (uintptr_t)i2c_get_match_data(client);
+	pmic = &chip_info_table[tps->chip_id];
 
 	tps->regmap = devm_regmap_init_i2c(client, &tps65219_regmap_config);
 	if (IS_ERR(tps->regmap)) {
@@ -239,14 +376,14 @@ static int tps65219_probe(struct i2c_client *client)
 		return ret;
 	}
 
-	ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, client->irq,
-				       IRQF_ONESHOT, 0, &tps65219_irq_chip,
+	ret = devm_regmap_add_irq_chip(tps->dev, tps->regmap, client->irq,
+				       IRQF_ONESHOT, 0, pmic->irq_chip,
 				       &tps->irq_data);
 	if (ret)
 		return ret;
 
 	ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO,
-				   tps65219_cells, ARRAY_SIZE(tps65219_cells),
+				   pmic->cells, pmic->n_cells,
 				   NULL, 0, regmap_irq_get_domain(tps->irq_data));
 	if (ret) {
 		dev_err(tps->dev, "Failed to add child devices: %d\n", ret);
@@ -284,7 +421,8 @@ static int tps65219_probe(struct i2c_client *client)
 }
 
 static const struct of_device_id of_tps65219_match_table[] = {
-	{ .compatible = "ti,tps65219", },
+	{ .compatible = "ti,tps65215", .data = (void *)TPS65215, },
+	{ .compatible = "ti,tps65219", .data = (void *)TPS65219, },
 	{}
 };
 MODULE_DEVICE_TABLE(of, of_tps65219_match_table);
@@ -299,5 +437,5 @@ static struct i2c_driver tps65219_driver = {
 module_i2c_driver(tps65219_driver);
 
 MODULE_AUTHOR("Jerome Neanne <jneanne@baylibre.com>");
-MODULE_DESCRIPTION("TPS65219 power management IC driver");
+MODULE_DESCRIPTION("TPS65215/TPS65219 PMIC driver");
 MODULE_LICENSE("GPL");