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power: regulator: update comments for regulator-name

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We do not need that "regulator-name" property must be provided in dts.
If "regulator-name" property is not provided in dts, node name
will chosen for settings '.name' field of uc_pdata.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Simon Glass <sjg@chromium.org>
This commit is contained in:
Peng Fan 2015-08-07 16:43:43 +08:00 committed by Przemyslaw Marczak
parent cf2600111d
commit 40ade2ce58
2 changed files with 9 additions and 11 deletions
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19
doc/device-tree-bindings/regulator/regulator.txt
View file

@ -15,15 +15,8 @@ For the node name e.g.: "prefix[:alpha:]num { ... }":
Example the prefix "ldo" will pass for: "ldo1", "ldo@1", "LDO1", "LDOREG@1"...
Required properties:
- regulator-name: a string, required by the regulator uclass
Note
The "regulator-name" constraint is used for setting the device's uclass
platform data '.name' field. And the regulator device name is set from
it's node name.
Optional properties:
- regulator-name: a string, required by the regulator uclass
- regulator-min-microvolt: a minimum allowed Voltage value
- regulator-max-microvolt: a maximum allowed Voltage value
- regulator-min-microamp: a minimum allowed Current value
@ -31,6 +24,12 @@ Optional properties:
- regulator-always-on: regulator should never be disabled
- regulator-boot-on: enabled by bootloader/firmware
Note
The "regulator-name" constraint is used for setting the device's uclass
platform data '.name' field. And the regulator device name is set from
it's node name. If "regulator-name" is not provided in dts, node name
is chosen for setting the device's uclass platform data '.name' field.
Other kernel-style properties, are currently not used.
Note:
@ -41,10 +40,8 @@ For the regulator autoset from constraints, the framework expects that:
Example:
ldo0 {
/* Mandatory */
regulator-name = "VDDQ_EMMC_1.8V";
/* Optional */
regulator-name = "VDDQ_EMMC_1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-min-microamp = <100000>;

1
include/power/regulator.h
View file

@ -46,6 +46,7 @@
* Note: For the proper operation, at least name constraint is needed, since
* it can be used when calling regulator_get_by_platname(). And the mandatory
* rule for this name is, that it must be globally unique for the single dts.
* If regulator-name property is not provided, node name will be chosen.
*
* Regulator bind:
* For each regulator device, the device_bind() should be called with passed