regulator: rn5t618: add RC5T619 PMIC support

Extend the driver to support Ricoh RC5T619.
Support the additional regulators and slightly different voltage ranges.

Signed-off-by: Pierre-Hugues Husson <phh@phh.me>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 99b9362..a847f82 100644 (file)
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -700,8 +700,8 @@ config REGULATOR_RN5T618
        tristate "Ricoh RN5T567/618 voltage regulators"
        depends on MFD_RN5T618
        help
-         Say y here to support the regulators found on Ricoh RN5T567 or
-         RN5T618 PMIC.
+         Say y here to support the regulators found on Ricoh RN5T567,
+         RN5T618 or RC5T619 PMIC.
 
 config REGULATOR_RT5033
        tristate "Richtek RT5033 Regulators"

diff --git a/drivers/regulator/rn5t618-regulator.c b/drivers/regulator/rn5t618-regulator.c
index 8d2819e..ef2be56 100644 (file)
--- a/drivers/regulator/rn5t618-regulator.c
+++ b/drivers/regulator/rn5t618-regulator.c
@@ -79,6 +79,29 @@ static struct regulator_desc rn5t618_regulators[] = {
        REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
 };
 
+static struct regulator_desc rc5t619_regulators[] = {
+       /* DCDC */
+       REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
+       REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
+       REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
+       REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),
+       REG(DCDC5, DC5CTL, BIT(0), DC5DAC, 0xff, 600000, 3500000, 12500),
+       /* LDO */
+       REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 600000, 3500000, 25000),
+       REG(LDO6, LDOEN1, BIT(5), LDO6DAC, 0x7f, 600000, 3500000, 25000),
+       REG(LDO7, LDOEN1, BIT(6), LDO7DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO8, LDOEN1, BIT(7), LDO8DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO9, LDOEN2, BIT(0), LDO9DAC, 0x7f, 900000, 3500000, 25000),
+       REG(LDO10, LDOEN2, BIT(0), LDO10DAC, 0x7f, 900000, 3500000, 25000),
+       /* LDO RTC */
+       REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000),
+       REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
+};
+
 static int rn5t618_regulator_probe(struct platform_device *pdev)
 {
        struct rn5t618 *rn5t618 = dev_get_drvdata(pdev->dev.parent);
@@ -86,13 +109,20 @@ static int rn5t618_regulator_probe(struct platform_device *pdev)
        struct regulator_dev *rdev;
        struct regulator_desc *regulators;
        int i;
+       int num_regulators = 0;
 
        switch (rn5t618->variant) {
        case RN5T567:
                regulators = rn5t567_regulators;
+               num_regulators = ARRAY_SIZE(rn5t567_regulators);
                break;
        case RN5T618:
                regulators = rn5t618_regulators;
+               num_regulators = ARRAY_SIZE(rn5t618_regulators);
+               break;
+       case RC5T619:
+               regulators = rc5t619_regulators;
+               num_regulators = ARRAY_SIZE(rc5t619_regulators);
                break;
        default:
                return -EINVAL;
@@ -101,10 +131,7 @@ static int rn5t618_regulator_probe(struct platform_device *pdev)
        config.dev = pdev->dev.parent;
        config.regmap = rn5t618->regmap;
 
-       for (i = 0; i < RN5T618_REG_NUM; i++) {
-               if (!regulators[i].name)
-                       continue;
-
+       for (i = 0; i < num_regulators; i++) {
                rdev = devm_regulator_register(&pdev->dev,
                                               &regulators[i],
                                               &config);

diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h
index e5a6cde..d61bc58 100644 (file)
--- a/include/linux/mfd/rn5t618.h
+++ b/include/linux/mfd/rn5t618.h
@@ -226,11 +226,17 @@ enum {
        RN5T618_DCDC2,
        RN5T618_DCDC3,
        RN5T618_DCDC4,
+       RN5T618_DCDC5,
        RN5T618_LDO1,
        RN5T618_LDO2,
        RN5T618_LDO3,
        RN5T618_LDO4,
        RN5T618_LDO5,
+       RN5T618_LDO6,
+       RN5T618_LDO7,
+       RN5T618_LDO8,
+       RN5T618_LDO9,
+       RN5T618_LDO10,
        RN5T618_LDORTC1,
        RN5T618_LDORTC2,
        RN5T618_REG_NUM,