[PATCH v3 06/11] mfd: tps6594-spi: Add TI TPS65224 PMIC SPI

[Bhargav Raviprakash <bhargav.r@ltts.com>]

Add support for TPS65224 PMIC in TPS6594's SPI driver which has
significant functional overlap.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
---
 drivers/mfd/tps6594-spi.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/tps6594-spi.c b/drivers/mfd/tps6594-spi.c
index b9428dc12..393f8ebec 100644
--- a/drivers/mfd/tps6594-spi.c
+++ b/drivers/mfd/tps6594-spi.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * SPI access driver for TI TPS6594/TPS6593/LP8764 PMICs
+ * SPI access driver for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs
  *
  * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
  */
@@ -77,16 +77,29 @@ static const struct regmap_config tps6594_spi_regmap_config = {
 	.use_single_write = true,
 };
 
+static const struct regmap_config tps65224_spi_regmap_config = {
+	.reg_bits = 16,
+	.val_bits = 8,
+	.max_register = TPS6594_REG_DWD_FAIL_CNT_REG,
+	.volatile_table = &tps65224_volatile_table,
+	.reg_read = tps6594_spi_reg_read,
+	.reg_write = tps6594_spi_reg_write,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
 static const struct tps6594_match_data match_data[] = {
 	[TPS6594] = {TPS6594, &tps6594_spi_regmap_config},
 	[TPS6593] = {TPS6593, &tps6594_spi_regmap_config},
 	[LP8764] = {LP8764, &tps6594_spi_regmap_config},
+	[TPS65224] = {TPS65224, &tps65224_spi_regmap_config},
 };
 
 static const struct of_device_id tps6594_spi_of_match_table[] = {
 	{ .compatible = "ti,tps6594-q1", .data = (void *)&match_data[TPS6594], },
 	{ .compatible = "ti,tps6593-q1", .data = (void *)&match_data[TPS6593], },
 	{ .compatible = "ti,lp8764-q1",  .data = (void *)&match_data[LP8764], },
+	{ .compatible = "ti,tps65224-q1", .data = (void *)&match_data[TPS65224],},
 	{}
 };
 MODULE_DEVICE_TABLE(of, tps6594_spi_of_match_table);
@@ -133,5 +146,5 @@ static struct spi_driver tps6594_spi_driver = {
 module_spi_driver(tps6594_spi_driver);
 
 MODULE_AUTHOR("Julien Panis <jpanis@baylibre.com>");
-MODULE_DESCRIPTION("TPS6594 SPI Interface Driver");
+MODULE_DESCRIPTION("SPI Interface Driver for TPS65224, TPS6594/3, and LP8764");
 MODULE_LICENSE("GPL");
-- 
2.25.1