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Message-Id: <1526901932-9514-15-git-send-email-ilialin@codeaurora.org>
Date: Mon, 21 May 2018 14:25:31 +0300
From: Ilia Lin <ilialin@...eaurora.org>
To: mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
mark.rutland@....com, viresh.kumar@...aro.org, nm@...com,
lgirdwood@...il.com, broonie@...nel.org, andy.gross@...aro.org,
david.brown@...aro.org, catalin.marinas@....com,
will.deacon@....com, rjw@...ysocki.net, linux-clk@...r.kernel.org
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
rnayak@...eaurora.org, ilialin@...eaurora.org,
amit.kucheria@...aro.org, nicolas.dechesne@...aro.org,
celster@...eaurora.org, tfinkel@...eaurora.org
Subject: [PATCH v9 14/15] 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@...eaurora.org>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../bindings/regulator/qcom,spmi-regulator.txt | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
index 57d2c65..406f2e5 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@...0000 {
+ 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>;
+ };
+ };
--
1.9.1
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