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authorStefan Agner <stefan@agner.ch>2016-06-28 22:53:20 -0700
committerLee Jones <lee.jones@linaro.org>2016-06-29 10:11:29 +0100
commited6d362d8dbc3494cd98cd771737ea8b1407ed61 (patch)
treea46398ad4a312bc99d10f8c7ed58200d796381bf /drivers/regulator
parenta99ab50dbbb1f982d076d19e0a9959fe2efa3126 (diff)
downloadop-kernel-dev-ed6d362d8dbc3494cd98cd771737ea8b1407ed61.zip
op-kernel-dev-ed6d362d8dbc3494cd98cd771737ea8b1407ed61.tar.gz
regulator: rn5t618: Add RN5T567 PMIC support
Extend the driver to support Ricoh RN5T567. Support the additional DCDC and slightly different voltage range of LDORTC1. Signed-off-by: Stefan Agner <stefan@agner.ch> Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/Kconfig5
-rw-r--r--drivers/regulator/rn5t618-regulator.c40
2 files changed, 39 insertions, 6 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 144cbf5..5472694 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -636,10 +636,11 @@ config REGULATOR_RK808
outputs which can be controlled by i2c communication.
config REGULATOR_RN5T618
- tristate "Ricoh RN5T618 voltage regulators"
+ tristate "Ricoh RN5T567/618 voltage regulators"
depends on MFD_RN5T618
help
- Say y here to support the regulators found on Ricoh RN5T618 PMIC.
+ Say y here to support the regulators found on Ricoh RN5T567 or
+ RN5T618 PMIC.
config REGULATOR_RT5033
tristate "Richtek RT5033 Regulators"
diff --git a/drivers/regulator/rn5t618-regulator.c b/drivers/regulator/rn5t618-regulator.c
index b85ceb8..9c930eb 100644
--- a/drivers/regulator/rn5t618-regulator.c
+++ b/drivers/regulator/rn5t618-regulator.c
@@ -46,6 +46,23 @@ static struct regulator_ops rn5t618_reg_ops = {
.vsel_mask = (vmask), \
}
+static struct regulator_desc rn5t567_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),
+ /* 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, 600000, 3500000, 25000),
+ REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
+ REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000),
+ /* LDO RTC */
+ REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1200000, 3500000, 25000),
+ REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
+};
+
static struct regulator_desc rn5t618_regulators[] = {
/* DCDC */
REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
@@ -67,18 +84,33 @@ static int rn5t618_regulator_probe(struct platform_device *pdev)
struct rn5t618 *rn5t618 = dev_get_drvdata(pdev->dev.parent);
struct regulator_config config = { };
struct regulator_dev *rdev;
+ struct regulator_desc *regulators;
int i;
+ switch (rn5t618->variant) {
+ case RN5T567:
+ regulators = rn5t567_regulators;
+ break;
+ case RN5T618:
+ regulators = rn5t618_regulators;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ config.dev = pdev->dev.parent;
+ config.regmap = rn5t618->regmap;
+
for (i = 0; i < RN5T618_REG_NUM; i++) {
- config.dev = pdev->dev.parent;
- config.regmap = rn5t618->regmap;
+ if (!regulators[i].name)
+ continue;
rdev = devm_regulator_register(&pdev->dev,
- &rn5t618_regulators[i],
+ &regulators[i],
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register %s regulator\n",
- rn5t618_regulators[i].name);
+ regulators[i].name);
return PTR_ERR(rdev);
}
}
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