add pmic pca9451a support

Merge series from Joy Zou <joy.zou@nxp.com>:

The patchset supports pmic pca9451a.
For the details, please check the patch commit log.

---
Changes in v5:
- adjust gpio@22 to the front of pmic@25.

Changes in v4:
- modify the comment for uSDHC but not i2c.

Changes in v3:
- modify the dts voltags constraints.
- remove unnecessary changes in driver code.
- modify commit message.
- add tag for dt-bindings.

Changes in v2:
- drop old part support.

Joy Zou (3):
  regulator: dt-bindings: pca9450: add pca9451a support
  regulator: pca9450: add pca9451a support
  arm64: dts: imx93-11x11-evk: add pca9451a support

 .../regulator/nxp,pca9450-regulator.yaml      |   1 +
 .../boot/dts/freescale/imx93-11x11-evk.dts    | 111 ++++++++++
 drivers/regulator/pca9450-regulator.c         | 194 +++++++++++++++++-
 include/linux/regulator/pca9450.h             |   1 +
 4 files changed, 305 insertions(+), 2 deletions(-)

--
2.37.1

Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml

@@ -28,6 +28,7 @@ properties:
       - nxp,pca9450a
       - nxp,pca9450b
       - nxp,pca9450c
+      - nxp,pca9451a
 
   reg:
     maxItems: 1

drivers/regulator/pca9450-regulator.c

@@ -106,6 +106,14 @@ static const struct linear_range pca9450_dvs_buck_volts[] = {
 	REGULATOR_LINEAR_RANGE(600000,  0x00, 0x7F, 12500),
 };
 
+/*
+ * BUCK1/3
+ * 0.65 to 2.2375V (12.5mV step)
+ */
+static const struct linear_range pca9451a_dvs_buck_volts[] = {
+	REGULATOR_LINEAR_RANGE(650000, 0x00, 0x7F, 12500),
+};
+
 /*
  * BUCK4/5/6
  * 0.6V to 3.4V (25mV step)
@@ -662,6 +670,178 @@ static const struct pca9450_regulator_desc pca9450bc_regulators[] = {
 	},
 };
 
+static const struct pca9450_regulator_desc pca9451a_regulators[] = {
+	{
+		.desc = {
+			.name = "buck1",
+			.of_match = of_match_ptr("BUCK1"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_BUCK1,
+			.ops = &pca9450_dvs_buck_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_BUCK1_VOLTAGE_NUM,
+			.linear_ranges = pca9451a_dvs_buck_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9451a_dvs_buck_volts),
+			.vsel_reg = PCA9450_REG_BUCK1OUT_DVS0,
+			.vsel_mask = BUCK1OUT_DVS0_MASK,
+			.enable_reg = PCA9450_REG_BUCK1CTRL,
+			.enable_mask = BUCK1_ENMODE_MASK,
+			.enable_val = BUCK_ENMODE_ONREQ,
+			.ramp_mask = BUCK1_RAMP_MASK,
+			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
+			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
+			.owner = THIS_MODULE,
+			.of_parse_cb = pca9450_set_dvs_levels,
+		},
+		.dvs = {
+			.run_reg = PCA9450_REG_BUCK1OUT_DVS0,
+			.run_mask = BUCK1OUT_DVS0_MASK,
+			.standby_reg = PCA9450_REG_BUCK1OUT_DVS1,
+			.standby_mask = BUCK1OUT_DVS1_MASK,
+		},
+	},
+	{
+		.desc = {
+			.name = "buck2",
+			.of_match = of_match_ptr("BUCK2"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_BUCK2,
+			.ops = &pca9450_dvs_buck_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_BUCK2_VOLTAGE_NUM,
+			.linear_ranges = pca9450_dvs_buck_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts),
+			.vsel_reg = PCA9450_REG_BUCK2OUT_DVS0,
+			.vsel_mask = BUCK2OUT_DVS0_MASK,
+			.enable_reg = PCA9450_REG_BUCK2CTRL,
+			.enable_mask = BUCK2_ENMODE_MASK,
+			.enable_val = BUCK_ENMODE_ONREQ_STBYREQ,
+			.ramp_mask = BUCK2_RAMP_MASK,
+			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
+			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
+			.owner = THIS_MODULE,
+			.of_parse_cb = pca9450_set_dvs_levels,
+		},
+		.dvs = {
+			.run_reg = PCA9450_REG_BUCK2OUT_DVS0,
+			.run_mask = BUCK2OUT_DVS0_MASK,
+			.standby_reg = PCA9450_REG_BUCK2OUT_DVS1,
+			.standby_mask = BUCK2OUT_DVS1_MASK,
+		},
+	},
+	{
+		.desc = {
+			.name = "buck4",
+			.of_match = of_match_ptr("BUCK4"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_BUCK4,
+			.ops = &pca9450_buck_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_BUCK4_VOLTAGE_NUM,
+			.linear_ranges = pca9450_buck_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts),
+			.vsel_reg = PCA9450_REG_BUCK4OUT,
+			.vsel_mask = BUCK4OUT_MASK,
+			.enable_reg = PCA9450_REG_BUCK4CTRL,
+			.enable_mask = BUCK4_ENMODE_MASK,
+			.enable_val = BUCK_ENMODE_ONREQ,
+			.owner = THIS_MODULE,
+		},
+	},
+	{
+		.desc = {
+			.name = "buck5",
+			.of_match = of_match_ptr("BUCK5"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_BUCK5,
+			.ops = &pca9450_buck_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_BUCK5_VOLTAGE_NUM,
+			.linear_ranges = pca9450_buck_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts),
+			.vsel_reg = PCA9450_REG_BUCK5OUT,
+			.vsel_mask = BUCK5OUT_MASK,
+			.enable_reg = PCA9450_REG_BUCK5CTRL,
+			.enable_mask = BUCK5_ENMODE_MASK,
+			.enable_val = BUCK_ENMODE_ONREQ,
+			.owner = THIS_MODULE,
+		},
+	},
+	{
+		.desc = {
+			.name = "buck6",
+			.of_match = of_match_ptr("BUCK6"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_BUCK6,
+			.ops = &pca9450_buck_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_BUCK6_VOLTAGE_NUM,
+			.linear_ranges = pca9450_buck_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts),
+			.vsel_reg = PCA9450_REG_BUCK6OUT,
+			.vsel_mask = BUCK6OUT_MASK,
+			.enable_reg = PCA9450_REG_BUCK6CTRL,
+			.enable_mask = BUCK6_ENMODE_MASK,
+			.enable_val = BUCK_ENMODE_ONREQ,
+			.owner = THIS_MODULE,
+		},
+	},
+	{
+		.desc = {
+			.name = "ldo1",
+			.of_match = of_match_ptr("LDO1"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_LDO1,
+			.ops = &pca9450_ldo_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_LDO1_VOLTAGE_NUM,
+			.linear_ranges = pca9450_ldo1_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_ldo1_volts),
+			.vsel_reg = PCA9450_REG_LDO1CTRL,
+			.vsel_mask = LDO1OUT_MASK,
+			.enable_reg = PCA9450_REG_LDO1CTRL,
+			.enable_mask = LDO1_EN_MASK,
+			.owner = THIS_MODULE,
+		},
+	},
+	{
+		.desc = {
+			.name = "ldo4",
+			.of_match = of_match_ptr("LDO4"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_LDO4,
+			.ops = &pca9450_ldo_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_LDO4_VOLTAGE_NUM,
+			.linear_ranges = pca9450_ldo34_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts),
+			.vsel_reg = PCA9450_REG_LDO4CTRL,
+			.vsel_mask = LDO4OUT_MASK,
+			.enable_reg = PCA9450_REG_LDO4CTRL,
+			.enable_mask = LDO4_EN_MASK,
+			.owner = THIS_MODULE,
+		},
+	},
+	{
+		.desc = {
+			.name = "ldo5",
+			.of_match = of_match_ptr("LDO5"),
+			.regulators_node = of_match_ptr("regulators"),
+			.id = PCA9450_LDO5,
+			.ops = &pca9450_ldo_regulator_ops,
+			.type = REGULATOR_VOLTAGE,
+			.n_voltages = PCA9450_LDO5_VOLTAGE_NUM,
+			.linear_ranges = pca9450_ldo5_volts,
+			.n_linear_ranges = ARRAY_SIZE(pca9450_ldo5_volts),
+			.vsel_reg = PCA9450_REG_LDO5CTRL_H,
+			.vsel_mask = LDO5HOUT_MASK,
+			.enable_reg = PCA9450_REG_LDO5CTRL_H,
+			.enable_mask = LDO5H_EN_MASK,
+			.owner = THIS_MODULE,
+		},
+	},
+};
+
 static irqreturn_t pca9450_irq_handler(int irq, void *data)
 {
 	struct pca9450 *pca9450 = data;
@@ -729,6 +909,10 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
 		regulator_desc = pca9450bc_regulators;
 		pca9450->rcnt = ARRAY_SIZE(pca9450bc_regulators);
 		break;
+	case PCA9450_TYPE_PCA9451A:
+		regulator_desc = pca9451a_regulators;
+		pca9450->rcnt = ARRAY_SIZE(pca9451a_regulators);
+		break;
 	default:
 		dev_err(&i2c->dev, "Unknown device type");
 		return -EINVAL;
@@ -755,7 +939,8 @@ 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) != 0x3 && type == PCA9450_TYPE_PCA9450BC) ||
+	    ((device_id >> 4) != 0x9 && type == PCA9450_TYPE_PCA9451A)) {
 		dev_err(&i2c->dev, "Device id(%x) mismatched\n",
 			device_id >> 4);
 		return -EINVAL;
@@ -846,7 +1031,8 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
 	}
 
 	dev_info(&i2c->dev, "%s probed.\n",
-		type == PCA9450_TYPE_PCA9450A ? "pca9450a" : "pca9450bc");
+		type == PCA9450_TYPE_PCA9450A ? "pca9450a" :
+		(type == PCA9450_TYPE_PCA9451A ? "pca9451a" : "pca9450bc"));
 
 	return 0;
 }
@@ -864,6 +1050,10 @@ static const struct of_device_id pca9450_of_match[] = {
 		.compatible = "nxp,pca9450c",
 		.data = (void *)PCA9450_TYPE_PCA9450BC,
 	},
+	{
+		.compatible = "nxp,pca9451a",
+		.data = (void *)PCA9450_TYPE_PCA9451A,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, pca9450_of_match);

include/linux/regulator/pca9450.h

@@ -9,6 +9,7 @@
 enum pca9450_chip_type {
 	PCA9450_TYPE_PCA9450A = 0,
 	PCA9450_TYPE_PCA9450BC,
+	PCA9450_TYPE_PCA9451A,
 	PCA9450_TYPE_AMOUNT,
 };