
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 ---
Changes v2: New patch. Update comments for regulator-name property.
doc/device-tree-bindings/regulator/regulator.txt | 19 ++++++++----------- include/power/regulator.h | 8 +++++--- 2 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/doc/device-tree-bindings/regulator/regulator.txt b/doc/device-tree-bindings/regulator/regulator.txt index 68b02a8..2cf4b9d 100644 --- a/doc/device-tree-bindings/regulator/regulator.txt +++ b/doc/device-tree-bindings/regulator/regulator.txt @@ -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>; diff --git a/include/power/regulator.h b/include/power/regulator.h index 0152290..2198664 100644 --- a/include/power/regulator.h +++ b/include/power/regulator.h @@ -34,7 +34,7 @@ * regulator constraints, like in the example below: * * ldo1 { - * regulator-name = "VDD_MMC_1.8V"; (must be unique for proper bind) + * regulator-name = "VDD_MMC_1.8V"; (optional) * regulator-min-microvolt = <1000000>; (optional) * regulator-max-microvolt = <1000000>; (optional) * regulator-min-microamp = <1000>; (optional) @@ -44,8 +44,10 @@ * }; * * 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. + * it can be used when calling regulator_get_by_platname(). If regulator-name + * property is not provided, node name will be chosen for platname. And the + * mandatory rule for this name is, that it must be globally unique for the + * single dts. * * Regulator bind: * For each regulator device, the device_bind() should be called with passed