Signed-off-by: Adam Ward <Adam.Ward.opensource@xxxxxxxxxxx> --- .../bindings/regulator/dlg,da9121.yaml | 85 ++++++++++++------- 1 file changed, 53 insertions(+), 32 deletions(-) diff --git a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml index 228018c87bea..8441f630a84d 100644 --- a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml +++ b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml @@ -17,27 +17,39 @@ description: | Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter Dialog Semiconductor DA9132 Double-channel 3A single-phase buck converter - - Current limits - - This is PER PHASE, and the current limit setting in the devices reflect - that with a maximum 10A limit. Allowing for transients at/near double - the rated current, this translates across the device range to per - channel figures as so... - - | DA9121 DA9122 DA9220 DA9217 DA9140 - | /DA9130 /DA9131 /DA9132 - ----------------------------------------------------------------------------- - Output current / channel | 10000000 5000000 3000000 6000000 40000000 - Output current / phase | 5000000 5000000 3000000 3000000 9500000 - ----------------------------------------------------------------------------- - Min regulator-min-microvolt| 300000 300000 300000 300000 500000 - Max regulator-max-microvolt| 1900000 1900000 1900000 1900000 1000000 - Device hardware default | 1000000 1000000 1000000 1000000 1000000 - ----------------------------------------------------------------------------- - Min regulator-min-microamp | 7000000 3500000 3500000 7000000 26000000 - Max regulator-max-microamp | 20000000 10000000 6000000 12000000 78000000 - Device hardware default | 15000000 7500000 5500000 11000000 58000000 + Dialog Semiconductor DA9141 Single-channel 40A quad-phase buck converter + Dialog Semiconductor DA9142 Single-channel 20A double-phase buck converter + + Device parameter ranges + + The current limits can be set to at/near double the rated current per channel + to allow for transient peaks. + Current limit changes when the output is enabled are not supported, as a + precaution against undefined behaviour. + + |----------------------------------------------| + | | range & reset default value | + | Device |------------------------------| + | | microvolt | microamp | + |----------------------------------------------| + | DA9121/DA9130 | Min: 300000 | Min: 7000000 | + | | Max: 1900000 | Max: 20000000 | + |----------------------------------------------| + | DA9121/DA9131 | Min: 300000 | Min: 3500000 | + | | Max: 1900000 | Max: 10000000 | + |----------------------------------------------| + | DA9121/DA9131 | Min: 300000 | Min: 3500000 | + | | Max: 1900000 | Max: 6000000 | + |----------------------------------------------| + | DA9217 | Min: 300000 | Min: 7000000 | + | | Max: 1900000 | Max: 12000000 | + |----------------------------------------------| + | DA9141 | Min: 300000 | Min: 26000000 | + | | Max: 1300000 | Max: 78000000 | + |----------------------------------------------| + | DA9142 | Min: 300000 | Min: 13000000 | + | | Max: 1300000 | Max: 39000000 | + |----------------------------------------------| properties: $nodename: @@ -51,7 +63,8 @@ properties: - dlg,da9130 - dlg,da9131 - dlg,da9132 - - dlg,da9140 + - dlg,da9141 + - dlg,da9142 reg: maxItems: 1 @@ -70,26 +83,33 @@ properties: regulators: type: object - $ref: regulator.yaml# + maxItems: 2 description: | - This node defines the settings for the BUCK. The content of the - sub-node is defined by the standard binding for regulators; see regulator.yaml. - The DA9121 regulator is bound using their names listed below - buck1 - BUCK1 - buck2 - BUCK2 //DA9122, DA9220, DA9131, DA9132 only + List of regulators provided by the device patternProperties: "^buck([1-2])$": type: object $ref: regulator.yaml# + description: | + List of regulators provided by the device + This node defines the settings for the BUCK. The content of the + sub-node is defined by the standard binding for regulators; see regulator.yaml. + The DA9121 regulator is bound using their names listed below + buck1 - BUCK1 + buck2 - BUCK2 //DA9122, DA9220, DA9131, DA9132 only properties: - regulator-mode: - maxItems: 1 - description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h + regulator-state-(standby|mem|disk): + type: object + + properties: + regulator-mode: + enum: [ 0, 1, 2, 3 ] + description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h regulator-initial-mode: - maxItems: 1 + enum: [ 0, 1, 2, 3 ] description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h enable-gpios: @@ -98,6 +118,7 @@ properties: dlg,ripple-cancel: $ref: "/schemas/types.yaml#/definitions/uint32" + enum: [ 0, 1, 2, 3 ] description: | Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h Only present on multi-channel devices (DA9122, DA9220, DA9131, DA9132) -- 2.25.1