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| author |   Ilia Lin <ilialin@codeaurora.org> | 2018-05-21 14:25:31 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2018-05-24 20:23:48 +0100 |
| commit | f50e5ddae899d1599e4d6ccb46eadd78b7ed14bc (patch) | |
| tree | be7e631ebbd7aa55ccbd983fb53c5a3d749a4ce7 | |
| parent | regulator: qcom_spmi: Add support for SAW (diff) | |
| download | wireguard-linux-f50e5ddae899d1599e4d6ccb46eadd78b7ed14bc.tar.xz wireguard-linux-f50e5ddae899d1599e4d6ccb46eadd78b7ed14bc.zip | |
dt-bindings: qcom_spmi: Document SAW support
Document the DT bindings for the SAW regulators.
The saw-leader is the only property that is configurable in DT.
The saw-slave property allows ganging (grouping) of
several regulators so that their outputs can be combined.
Signed-off-by: Ilia Lin <ilialin@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt index 57d2c65899df..406f2e570c50 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt @@ -110,6 +110,11 @@ Qualcomm SPMI Regulators Definition: Reference to regulator supplying the input pin, as described in the data sheet. +- qcom,saw-reg: + Usage: optional + Value type: <phandle> + Description: Reference to syscon node defining the SAW registers. + The regulator node houses sub-nodes for each regulator within the device. Each sub-node is identified using the node's name, with valid values listed for each @@ -201,6 +206,17 @@ see regulator.txt - with additional custom properties described below: 2 = 0.55 uA 3 = 0.75 uA +- qcom,saw-slave: + Usage: optional + Value type: <boo> + Description: SAW controlled gang slave. Will not be configured. + +- qcom,saw-leader: + Usage: optional + Value type: <boo> + Description: SAW controlled gang leader. Will be configured as + SAW regulator. + Example: regulators { @@ -221,3 +237,32 @@ Example: .... }; + +Example 2: + + saw3: syscon@9A10000 { + compatible = "syscon"; + reg = <0x9A10000 0x1000>; + }; + + ... + + spm-regulators { + compatible = "qcom,pm8994-regulators"; + qcom,saw-reg = <&saw3>; + s8 { + qcom,saw-slave; + }; + s9 { + qcom,saw-slave; + }; + s10 { + qcom,saw-slave; + }; + pm8994_s11_saw: s11 { + qcom,saw-leader; + regulator-always-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1140000>; + }; + }; |