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regulator: anatop: Add support for "anatop-enable-bit"

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Add code to support support for "anatop-enable-bit" device-tree
property. This property translates to LINREG_ENABLE bit in real hardware
and is present on 1p1, 2p5 and 3p0 regulators on i.MX6 and 1p0d regulator
on i.MX7.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andrey Smirnov 2017-01-10 08:30:14 -08:00 committed by Mark Brown
parent d00b74613f
commit ca7734ad77
2 changed files with 13 additions and 0 deletions
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1
Documentation/devicetree/bindings/regulator/anatop-regulator.txt
View file

@ -14,6 +14,7 @@ Optional properties:
- anatop-delay-bit-shift: Bit shift for the step time register
- anatop-delay-bit-width: Number of bits used in the step time register
- vin-supply: The supply for this regulator
- anatop-enable-bit: Regulator enable bit offset
Any property defined as part of the core regulator
binding, defined in regulator.txt, can also be used.

12
drivers/regulator/anatop-regulator.c
View file

@ -301,7 +301,19 @@ static int anatop_regulator_probe(struct platform_device *pdev)
return -EINVAL;
}
} else {
u32 enable_bit;
rdesc->ops = &anatop_rops;
if (!of_property_read_u32(np, "anatop-enable-bit",
&enable_bit)) {
anatop_rops.enable = regulator_enable_regmap;
anatop_rops.disable = regulator_disable_regmap;
anatop_rops.is_enabled = regulator_is_enabled_regmap;
rdesc->enable_reg = sreg->control_reg;
rdesc->enable_mask = BIT(enable_bit);
}
}
/* register regulator */