Message-Id: <20240208092034.1207057-3-bhargav.r@ltts.com>
Date: Thu,  8 Feb 2024 14:50:34 +0530
From: Bhargav Raviprakash <bhargav.r@...s.com>
To: linux-kernel@...r.kernel.org
Cc: m.nirmaladevi@...s.com,
	lee@...nel.org,
	Bhargav Raviprakash <bhargav.r@...s.com>
Subject: [PATCH v1 06/13] mfd: tps6594-core: Add TI TPS65224 PMIC core

Add functionality of the TPS65224 PMIC to the TPS6594 core driver. This
includes adding IRQ resource, MFD cells, and device initialization for
TPS65224.

Signed-off-by: Bhargav Raviprakash <bhargav.r@...s.com>
---
 drivers/mfd/tps6594-core.c | 242 ++++++++++++++++++++++++++++++++++---
 1 file changed, 228 insertions(+), 14 deletions(-)

diff --git a/drivers/mfd/tps6594-core.c b/drivers/mfd/tps6594-core.c
index 089ab8cc8..f18663560 100644
--- a/drivers/mfd/tps6594-core.c
+++ b/drivers/mfd/tps6594-core.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Core functions for TI TPS6594/TPS6593/LP8764 PMICs
+ * Core functions for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs
  *
  * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
  */
@@ -278,16 +278,172 @@ static const unsigned int tps6594_irq_reg[] = {
 	TPS6594_REG_RTC_STATUS,
 };
 
+/* TPS65224 Resources */
+
+static const struct resource tps65224_regulator_resources[] = {
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK1_UVOV, TPS65224_IRQ_NAME_BUCK1_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK2_UVOV, TPS65224_IRQ_NAME_BUCK2_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK3_UVOV, TPS65224_IRQ_NAME_BUCK3_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK4_UVOV, TPS65224_IRQ_NAME_BUCK4_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_LDO1_UVOV, TPS65224_IRQ_NAME_LDO1_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_LDO2_UVOV, TPS65224_IRQ_NAME_LDO2_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_LDO3_UVOV, TPS65224_IRQ_NAME_LDO3_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VCCA_UVOV, TPS65224_IRQ_NAME_VCCA_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VMON1_UVOV, TPS65224_IRQ_NAME_VMON1_UVOV),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VMON2_UVOV, TPS65224_IRQ_NAME_VMON2_UVOV),
+};
+
+static const struct resource tps65224_pinctrl_resources[] = {
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO1, TPS65224_IRQ_NAME_GPIO1),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO2, TPS65224_IRQ_NAME_GPIO2),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO3, TPS65224_IRQ_NAME_GPIO3),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO4, TPS65224_IRQ_NAME_GPIO4),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO5, TPS65224_IRQ_NAME_GPIO5),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO6, TPS65224_IRQ_NAME_GPIO6),
+};
+
+static const struct resource tps65224_pfsm_resources[] = {
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VSENSE, TPS65224_IRQ_NAME_VSENSE),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ENABLE, TPS65224_IRQ_NAME_ENABLE),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_SHORT, TPS65224_IRQ_NAME_PB_SHORT),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_FSD, TPS65224_IRQ_NAME_FSD),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_SOFT_REBOOT, TPS65224_IRQ_NAME_SOFT_REBOOT),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BIST_PASS, TPS65224_IRQ_NAME_BIST_PASS),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_EXT_CLK, TPS65224_IRQ_NAME_EXT_CLK),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_REG_UNLOCK, TPS65224_IRQ_NAME_REG_UNLOCK),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_TWARN, TPS65224_IRQ_NAME_TWARN),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_LONG, TPS65224_IRQ_NAME_PB_LONG),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_FALL, TPS65224_IRQ_NAME_PB_FALL),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_RISE, TPS65224_IRQ_NAME_PB_RISE),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_TSD_ORD, TPS65224_IRQ_NAME_TSD_ORD),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BIST_FAIL, TPS65224_IRQ_NAME_BIST_FAIL),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_REG_CRC_ERR, TPS65224_IRQ_NAME_REG_CRC_ERR),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_RECOV_CNT, TPS65224_IRQ_NAME_RECOV_CNT),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_TSD_IMM, TPS65224_IRQ_NAME_TSD_IMM),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VCCA_OVP, TPS65224_IRQ_NAME_VCCA_OVP),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PFSM_ERR, TPS65224_IRQ_NAME_PFSM_ERR),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BG_XMON, TPS65224_IRQ_NAME_BG_XMON),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_IMM_SHUTDOWN, TPS65224_IRQ_NAME_IMM_SHUTDOWN),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ORD_SHUTDOWN, TPS65224_IRQ_NAME_ORD_SHUTDOWN),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_MCU_PWR_ERR, TPS65224_IRQ_NAME_MCU_PWR_ERR),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_SOC_PWR_ERR, TPS65224_IRQ_NAME_SOC_PWR_ERR),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_COMM_ERR, TPS65224_IRQ_NAME_COMM_ERR),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_I2C2_ERR, TPS65224_IRQ_NAME_I2C2_ERR),
+};
+
+static const struct resource tps65224_esm_resources[] = {
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ESM_MCU_PIN, TPS65224_IRQ_NAME_ESM_MCU_PIN),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ESM_MCU_FAIL, TPS65224_IRQ_NAME_ESM_MCU_FAIL),
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ESM_MCU_RST, TPS65224_IRQ_NAME_ESM_MCU_RST),
+};
+
+static const struct resource tps65224_adc_resources[] = {
+	DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ADC_CONV_READY, TPS65224_IRQ_NAME_ADC_CONV_READY),
+};
+
+static const struct mfd_cell tps65224_common_cells[] = {
+	MFD_CELL_RES("tps65224-adc", tps65224_adc_resources),
+	MFD_CELL_RES("tps6594-esm", tps65224_esm_resources),
+	MFD_CELL_RES("tps6594-pfsm", tps65224_pfsm_resources),
+	MFD_CELL_RES("tps6594-pinctrl", tps65224_pinctrl_resources),
+	MFD_CELL_RES("tps6594-regulator", tps65224_regulator_resources),
+};
+
+static const struct regmap_irq tps65224_irqs[] = {
+	/* INT_BUCK register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_BUCK1_UVOV, 0, TPS65224_BIT_BUCK1_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_BUCK2_UVOV, 0, TPS65224_BIT_BUCK2_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_BUCK3_UVOV, 0, TPS65224_BIT_BUCK3_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_BUCK4_UVOV, 0, TPS65224_BIT_BUCK4_UVOV_INT),
+
+	/* INT_VMON_LDO register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_LDO1_UVOV, 1, TPS65224_BIT_LDO1_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_LDO2_UVOV, 1, TPS65224_BIT_LDO2_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_LDO3_UVOV, 1, TPS65224_BIT_LDO3_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_VCCA_UVOV, 1, TPS65224_BIT_VCCA_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_VMON1_UVOV, 1, TPS65224_BIT_VMON1_UVOV_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_VMON2_UVOV, 1, TPS65224_BIT_VMON2_UVOV_INT),
+
+	/* INT_GPIO register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_GPIO1, 2, TPS65224_BIT_GPIO1_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_GPIO2, 2, TPS65224_BIT_GPIO2_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_GPIO3, 2, TPS65224_BIT_GPIO3_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_GPIO4, 2, TPS65224_BIT_GPIO4_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_GPIO5, 2, TPS65224_BIT_GPIO5_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_GPIO6, 2, TPS65224_BIT_GPIO6_INT),
+
+	/* INT_STARTUP register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_VSENSE, 3, TPS65224_BIT_VSENSE_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_ENABLE, 3, TPS6594_BIT_ENABLE_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_PB_SHORT, 3, TPS65224_BIT_PB_SHORT_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_FSD, 3, TPS6594_BIT_FSD_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_SOFT_REBOOT, 3, TPS6594_BIT_SOFT_REBOOT_INT),
+
+	/* INT_MISC register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_BIST_PASS, 4, TPS6594_BIT_BIST_PASS_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_EXT_CLK, 4, TPS6594_BIT_EXT_CLK_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_REG_UNLOCK, 4, TPS65224_BIT_REG_UNLOCK_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_TWARN, 4, TPS6594_BIT_TWARN_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_PB_LONG, 4, TPS65224_BIT_PB_LONG_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_PB_FALL, 4, TPS65224_BIT_PB_FALL_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_PB_RISE, 4, TPS65224_BIT_PB_RISE_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_ADC_CONV_READY, 4, TPS65224_BIT_ADC_CONV_READY_INT),
+
+	/* INT_MODERATE_ERR register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_TSD_ORD, 5, TPS6594_BIT_TSD_ORD_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_BIST_FAIL, 5, TPS6594_BIT_BIST_FAIL_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_REG_CRC_ERR, 5, TPS6594_BIT_REG_CRC_ERR_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_RECOV_CNT, 5, TPS6594_BIT_RECOV_CNT_INT),
+
+	/* INT_SEVERE_ERR register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_TSD_IMM, 6, TPS6594_BIT_TSD_IMM_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_VCCA_OVP, 6, TPS6594_BIT_VCCA_OVP_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_PFSM_ERR, 6, TPS6594_BIT_PFSM_ERR_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_BG_XMON, 6, TPS65224_BIT_BG_XMON_INT),
+
+	/* INT_FSM_ERR register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_IMM_SHUTDOWN, 7, TPS6594_BIT_IMM_SHUTDOWN_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_ORD_SHUTDOWN, 7, TPS6594_BIT_ORD_SHUTDOWN_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_MCU_PWR_ERR, 7, TPS6594_BIT_MCU_PWR_ERR_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_SOC_PWR_ERR, 7, TPS6594_BIT_SOC_PWR_ERR_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_COMM_ERR, 7, TPS6594_BIT_COMM_ERR_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_I2C2_ERR, 7, TPS65224_BIT_I2C2_ERR_INT),
+
+	/* INT_ESM register */
+	REGMAP_IRQ_REG(TPS65224_IRQ_ESM_MCU_PIN, 8, TPS6594_BIT_ESM_MCU_PIN_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_ESM_MCU_FAIL, 8, TPS6594_BIT_ESM_MCU_FAIL_INT),
+	REGMAP_IRQ_REG(TPS65224_IRQ_ESM_MCU_RST, 8, TPS6594_BIT_ESM_MCU_RST_INT),
+};
+
+static const unsigned int tps65224_irq_reg[] = {
+	TPS6594_REG_INT_BUCK,
+	TPS6594_REG_INT_LDO_VMON,
+	TPS6594_REG_INT_GPIO,
+	TPS6594_REG_INT_STARTUP,
+	TPS6594_REG_INT_MISC,
+	TPS6594_REG_INT_MODERATE_ERR,
+	TPS6594_REG_INT_SEVERE_ERR,
+	TPS6594_REG_INT_FSM_ERR,
+	TPS6594_REG_INT_ESM,
+};
+
 static inline unsigned int tps6594_get_irq_reg(struct regmap_irq_chip_data *data,
 					       unsigned int base, int index)
 {
 	return tps6594_irq_reg[index];
 };
 
+static inline unsigned int tps65224_get_irq_reg(struct regmap_irq_chip_data *data,
+						unsigned int base, int index)
+{
+	return tps65224_irq_reg[index];
+};
+
 static int tps6594_handle_post_irq(void *irq_drv_data)
 {
 	struct tps6594 *tps = irq_drv_data;
 	int ret = 0;
+	unsigned int regmap_reg, mask_val;
 
 	/*
 	 * When CRC is enabled, writing to a read-only bit triggers an error,
@@ -299,10 +455,17 @@ static int tps6594_handle_post_irq(void *irq_drv_data)
 	 * COMM_ADR_ERR_INT bit set. Clear immediately this bit to avoid raising
 	 * a new interrupt.
 	 */
-	if (tps->use_crc)
-		ret = regmap_write_bits(tps->regmap, TPS6594_REG_INT_COMM_ERR,
-					TPS6594_BIT_COMM_ADR_ERR_INT,
-					TPS6594_BIT_COMM_ADR_ERR_INT);
+	if (tps->use_crc) {
+		if (tps->chip_id == TPS65224) {
+			regmap_reg = TPS6594_REG_INT_FSM_ERR;
+			mask_val = TPS6594_BIT_COMM_ERR_INT;
+		} else {
+			regmap_reg = TPS6594_REG_INT_COMM_ERR;
+			mask_val = TPS6594_BIT_COMM_ADR_ERR_INT;
+		}
+
+		ret = regmap_write_bits(tps->regmap, regmap_reg, mask_val, mask_val);
+	}
 
 	return ret;
 };
@@ -319,6 +482,18 @@ static struct regmap_irq_chip tps6594_irq_chip = {
 	.handle_post_irq = tps6594_handle_post_irq,
 };
 
+static struct regmap_irq_chip tps65224_irq_chip = {
+	.ack_base = TPS6594_REG_INT_BUCK,
+	.ack_invert = 1,
+	.clear_ack = 1,
+	.init_ack_masked = 1,
+	.num_regs = ARRAY_SIZE(tps65224_irq_reg),
+	.irqs = tps65224_irqs,
+	.num_irqs = ARRAY_SIZE(tps65224_irqs),
+	.get_irq_reg = tps65224_get_irq_reg,
+	.handle_post_irq = tps6594_handle_post_irq,
+};
+
 static const struct regmap_range tps6594_volatile_ranges[] = {
 	regmap_reg_range(TPS6594_REG_INT_TOP, TPS6594_REG_STAT_READBACK_ERR),
 	regmap_reg_range(TPS6594_REG_RTC_STATUS, TPS6594_REG_RTC_STATUS),
@@ -330,17 +505,35 @@ const struct regmap_access_table tps6594_volatile_table = {
 };
 EXPORT_SYMBOL_GPL(tps6594_volatile_table);
 
+static const struct regmap_range tps65224_volatile_ranges[] = {
+	regmap_reg_range(TPS6594_REG_INT_TOP, TPS6594_REG_STAT_SEVERE_ERR),
+};
+
+const struct regmap_access_table tps65224_volatile_table = {
+	.yes_ranges = tps65224_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(tps65224_volatile_ranges),
+};
+EXPORT_SYMBOL_GPL(tps65224_volatile_table);
+
 static int tps6594_check_crc_mode(struct tps6594 *tps, bool primary_pmic)
 {
 	int ret;
+	unsigned int regmap_reg, mask_val;
+
+	if (tps->chip_id == TPS65224) {
+		regmap_reg = TPS6594_REG_CONFIG_2;
+		mask_val = TPS65224_BIT_I2C1_SPI_CRC_EN;
+	} else {
+		regmap_reg = TPS6594_REG_SERIAL_IF_CONFIG;
+		mask_val = TPS6594_BIT_I2C1_SPI_CRC_EN;
+	};
 
 	/*
 	 * Check if CRC is enabled.
 	 * Once CRC is enabled, it can't be disabled until next power cycle.
 	 */
 	tps->use_crc = true;
-	ret = regmap_test_bits(tps->regmap, TPS6594_REG_SERIAL_IF_CONFIG,
-			       TPS6594_BIT_I2C1_SPI_CRC_EN);
+	ret = regmap_test_bits(tps->regmap, regmap_reg, mask_val);
 	if (ret == 0) {
 		ret = -EIO;
 	} else if (ret > 0) {
@@ -355,6 +548,15 @@ static int tps6594_check_crc_mode(struct tps6594 *tps, bool primary_pmic)
 static int tps6594_set_crc_feature(struct tps6594 *tps)
 {
 	int ret;
+	unsigned int regmap_reg, mask_val;
+
+	if (tps->chip_id == TPS65224) {
+		regmap_reg = TPS6594_REG_CONFIG_2;
+		mask_val = TPS65224_BIT_I2C1_SPI_CRC_EN;
+	} else {
+		regmap_reg = TPS6594_REG_FSM_I2C_TRIGGERS;
+		mask_val = TPS6594_BIT_TRIGGER_I2C(2);
+	}
 
 	ret = tps6594_check_crc_mode(tps, true);
 	if (ret) {
@@ -363,8 +565,7 @@ static int tps6594_set_crc_feature(struct tps6594 *tps)
 		 * on primary PMIC.
 		 */
 		tps->use_crc = false;
-		ret = regmap_write_bits(tps->regmap, TPS6594_REG_FSM_I2C_TRIGGERS,
-					TPS6594_BIT_TRIGGER_I2C(2), TPS6594_BIT_TRIGGER_I2C(2));
+		ret = regmap_write_bits(tps->regmap, regmap_reg, mask_val, mask_val);
 		if (ret)
 			return ret;
 
@@ -420,6 +621,9 @@ int tps6594_device_init(struct tps6594 *tps, bool enable_crc)
 {
 	struct device *dev = tps->dev;
 	int ret;
+	struct regmap_irq_chip *irq_chip;
+	const struct mfd_cell *cells;
+	int n_cells;
 
 	if (enable_crc) {
 		ret = tps6594_enable_crc(tps);
@@ -440,19 +644,28 @@ int tps6594_device_init(struct tps6594 *tps, bool enable_crc)
 	if (!tps6594_irq_chip.name)
 		return -ENOMEM;
 
+	if (tps->chip_id == TPS65224) {
+		irq_chip = &tps65224_irq_chip;
+		n_cells = ARRAY_SIZE(tps65224_common_cells);
+		cells = tps65224_common_cells;
+	} else {
+		irq_chip = &tps6594_irq_chip;
+		n_cells = ARRAY_SIZE(tps6594_common_cells);
+		cells = tps6594_common_cells;
+	}
+
 	ret = devm_regmap_add_irq_chip(dev, tps->regmap, tps->irq, IRQF_SHARED | IRQF_ONESHOT,
-				       0, &tps6594_irq_chip, &tps->irq_data);
+				       0, irq_chip, &tps->irq_data);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to add regmap IRQ\n");
 
-	ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, tps6594_common_cells,
-				   ARRAY_SIZE(tps6594_common_cells), NULL, 0,
+	ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, cells, n_cells, NULL, 0,
 				   regmap_irq_get_domain(tps->irq_data));
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to add common child devices\n");
 
-	/* No RTC for LP8764 */
-	if (tps->chip_id != LP8764) {
+	/* No RTC for LP8764 and TPS65224 */
+	if (tps->chip_id != LP8764 && tps->chip_id != TPS65224) {
 		ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, tps6594_rtc_cells,
 					   ARRAY_SIZE(tps6594_rtc_cells), NULL, 0,
 					   regmap_irq_get_domain(tps->irq_data));
@@ -465,5 +678,6 @@ int tps6594_device_init(struct tps6594 *tps, bool enable_crc)
 EXPORT_SYMBOL_GPL(tps6594_device_init);
 
 MODULE_AUTHOR("Julien Panis <jpanis@...libre.com>");
+MODULE_AUTHOR("Bhargav Raviprakash <bhargav.r@...s.com");
 MODULE_DESCRIPTION("TPS6594 Driver");
 MODULE_LICENSE("GPL");
-- 
2.25.1

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