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Unverified Commit f50e5dda authored by Ilia Lin's avatar Ilia Lin Committed by Mark Brown
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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: default avatarIlia Lin <ilialin@codeaurora.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0caecaa8

Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt

+45 −0
Original line number Diff line number Diff line
@@ -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>;

		};

	};