Extend the driver to support Ricoh RN5T567. Support the additional
DCDC and slightly different voltage range of LDORTC1.
Signed-off-by: NStefan Agner <stefan@agner.ch>
Reviewed-by: NMarcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: NMark Brown <broonie@kernel.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Use the simplified DT parsing method to remove some duplicated
code.

Since this is a MFD subdevice and its device object doesn't have an
associated DT node, the configuration instance used to register the
regulators has been changed to point to the parent device.
Signed-off-by: NBeniamino Galvani <b.galvani@gmail.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

This driver supports the 3 DCDC and 7 LDO regulators available on
Ricoh RN5T618 PMIC.
Signed-off-by: NBeniamino Galvani <b.galvani@gmail.com>
Signed-off-by: NMark Brown <broonie@kernel.org>