diff options
| author | Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org> | 2012-03-27 15:54:01 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-28 11:52:10 +0100 |
| commit | 2f2cc27f50e3d232602d3b7c972071b4a30e5e38 (patch) | |
| tree | 6cb0184e8d2b905698b6e0562e48db29c0a80c3d | |
| parent | 9300928692f835f76f5604b3b51c3085977edf68 (diff) | |
regulator: anatop: patching to device-tree property "reg".
Change "reg" to "anatop-reg-offset" due to there is a warning of handling no
size field in reg.
This patch also adds the missing device-tree binding documentation.
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/anatop-regulator.txt | 29 | ||||
| -rw-r--r-- | drivers/regulator/anatop-regulator.c | 5 |
2 files changed, 32 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt new file mode 100644 index 00000000000..357758cb6e9 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -0,0 +1,29 @@ +Anatop Voltage regulators + +Required properties: +- compatible: Must be "fsl,anatop-regulator" +- anatop-reg-offset: Anatop MFD register offset +- anatop-vol-bit-shift: Bit shift for the register +- anatop-vol-bit-width: Number of bits used in the register +- anatop-min-bit-val: Minimum value of this register +- anatop-min-voltage: Minimum voltage of this regulator +- anatop-max-voltage: Maximum voltage of this regulator + +Any property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. + +Example: + + regulator-vddpu { + compatible = "fsl,anatop-regulator"; + regulator-name = "vddpu"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + anatop-reg-offset = <0x140>; + anatop-vol-bit-shift = <9>; + anatop-vol-bit-width = <5>; + anatop-min-bit-val = <1>; + anatop-min-voltage = <725000>; + anatop-max-voltage = <1300000>; + }; diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 17499a55113..53969af1755 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -138,9 +138,10 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev) rdesc->type = REGULATOR_VOLTAGE; rdesc->owner = THIS_MODULE; sreg->mfd = anatopmfd; - ret = of_property_read_u32(np, "reg", &sreg->control_reg); + ret = of_property_read_u32(np, "anatop-reg-offset", + &sreg->control_reg); if (ret) { - dev_err(dev, "no reg property set\n"); + dev_err(dev, "no anatop-reg-offset property set\n"); goto anatop_probe_end; } ret = of_property_read_u32(np, "anatop-vol-bit-width", |