linux-kernel - [PATCH 4/5] regulator: pca9450: Add PMIC pca9452 support

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Message-Id: <20241205-pca9450-v1-4-aab448b74e78@nxp.com>
Date: Thu, 05 Dec 2024 11:51:12 -0500
From: Frank Li <Frank.Li@....com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Robin Gong <yibin.gong@....com>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, joy.zou@....com, linux-arm-kernel@...ts.infradead.org, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH 4/5] regulator: pca9450: Add PMIC pca9452 support

From: Joy Zou <joy.zou@....com>

Add the PMIC pca9452 support, which add ldo3 compared with pca9451a.

Signed-off-by: Joy Zou <joy.zou@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
 drivers/regulator/pca9450-regulator.c | 29 ++++++++++++++++++++++++++++-
 include/linux/regulator/pca9450.h     |  1 +
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
index 0b1f099fdd5ee..faa6b79c27d75 100644
--- a/drivers/regulator/pca9450-regulator.c
+++ b/drivers/regulator/pca9450-regulator.c
@@ -815,6 +815,24 @@ static const struct pca9450_regulator_desc pca9451a_regulators[] = {
 			.owner = THIS_MODULE,
 		},
 	},
+	{
+		.desc = {
+			.name = "ldo3",
+			.of_match = of_match_ptr("LDO3"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_LDO3,
+			.ops = &pca9450_ldo_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_LDO3_VOLTAGE_NUM,
+			.linear_ranges = pca9450_ldo34_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts),
+			.vsel_reg = PCA9450_REG_LDO3CTRL,
+			.vsel_mask = LDO3OUT_MASK,
+			.enable_reg = PCA9450_REG_LDO3CTRL,
+			.enable_mask = LDO3_EN_MASK,
+			.owner = THIS_MODULE,
+		},
+	},
 	{
 		.desc = {
 			.name = "ldo4",
@@ -916,6 +934,7 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
 		pca9450->rcnt = ARRAY_SIZE(pca9450bc_regulators);
 		break;
 	case PCA9450_TYPE_PCA9451A:
+	case PCA9450_TYPE_PCA9452:
 		regulator_desc = pca9451a_regulators;
 		pca9450->rcnt = ARRAY_SIZE(pca9451a_regulators);
 		break;
@@ -943,7 +962,8 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
 	/* Check your board and dts for match the right pmic */
 	if (((device_id >> 4) != 0x1 && type == PCA9450_TYPE_PCA9450A) ||
 	    ((device_id >> 4) != 0x3 && type == PCA9450_TYPE_PCA9450BC) ||
-	    ((device_id >> 4) != 0x9 && type == PCA9450_TYPE_PCA9451A))
+	    ((device_id >> 4) != 0x9 && type == PCA9450_TYPE_PCA9451A) ||
+	    ((device_id >> 4) != 0x9 && type == PCA9450_TYPE_PCA9452))
 		return dev_err_probe(&i2c->dev, -EINVAL,
 				     "Device id(%x) mismatched\n", device_id >> 4);
 
@@ -955,6 +975,9 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
 		r = &regulator_desc[i];
 		desc = &r->desc;
 
+		if (type == PCA9450_TYPE_PCA9451A && !strcmp(desc->name, "ldo3"))
+			continue;
+
 		config.regmap = pca9450->regmap;
 		config.dev = pca9450->dev;
 
@@ -1043,6 +1066,10 @@ static const struct of_device_id pca9450_of_match[] = {
 		.compatible = "nxp,pca9451a",
 		.data = (void *)PCA9450_TYPE_PCA9451A,
 	},
+	{
+		.compatible = "nxp,pca9452",
+		.data = (void *)PCA9450_TYPE_PCA9452,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, pca9450_of_match);
diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h
index 243633c8dceb3..b427b5873de1a 100644
--- a/include/linux/regulator/pca9450.h
+++ b/include/linux/regulator/pca9450.h
@@ -10,6 +10,7 @@ enum pca9450_chip_type {
 	PCA9450_TYPE_PCA9450A = 0,
 	PCA9450_TYPE_PCA9450BC,
 	PCA9450_TYPE_PCA9451A,
+	PCA9450_TYPE_PCA9452,
 	PCA9450_TYPE_AMOUNT,
 };
 

-- 
2.34.1