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.
Cc: [email protected] Cc: Liam Girdwood <[email protected]> Cc: Mark Brown <[email protected]> Cc: Rob Herring <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Shawn Guo <[email protected]> Cc: [email protected] Signed-off-by: Andrey Smirnov <[email protected]> --- Note: "anatop-enable-bit" has already found its way into upstream tree before this patch (probably not on purpose). See imx6ul.dtsi and imx7s.dtsi for concrete examples .../devicetree/bindings/regulator/anatop-regulator.txt | 1 + drivers/regulator/anatop-regulator.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt index 37c4ea0..1d58c8c 100644 --- a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -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. diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 3a6d029..b041f27 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -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 */ -- 2.9.3
