[PATCH v4 3/5] regulator: rn5t618: add RN5T567 PMIC support
STALE3747d
REVIEWED: 10 (8M)
From: Stefan Agner <stefan@agner.ch>
Date: 2016-06-28 06:28:43
Also in:
linux-amlogic, linux-arm-kernel, lkml
Subsystem:
multifunction devices (mfd), the rest, voltage and current regulator framework · Maintainers:
Lee Jones, Linus Torvalds, Liam Girdwood, Mark Brown
Revision v4 of 6 in this series; 3 review trailers (1 from subsystem maintainers).
Revisions (6)
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 <redacted> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Lee Jones <redacted> --- drivers/regulator/Kconfig | 5 +++-- drivers/regulator/rn5t618-regulator.c | 40 +++++++++++++++++++++++++++++++---- include/linux/mfd/rn5t618.h | 1 + 3 files changed, 40 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], + ®ulators[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); } }
diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h
index 54179c2..cadc654 100644
--- a/include/linux/mfd/rn5t618.h
+++ b/include/linux/mfd/rn5t618.h@@ -217,6 +217,7 @@ enum { RN5T618_DCDC1, RN5T618_DCDC2, RN5T618_DCDC3, + RN5T618_DCDC4, RN5T618_LDO1, RN5T618_LDO2, RN5T618_LDO3,
--
2.8.3