@@ -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>;
+ };
+ };
Add support for SAW controlled regulators. The regulators defined as SAW controlled in the device tree will be controlled through special CPU registers instead of direct SPMI accesses. This is required especially for CPU supply regulators to synchronize with clock scaling and for Automatic Voltage Switching. Document it. Signed-off-by: Ilia Lin <ilialin@codeaurora.org> --- .../bindings/regulator/qcom,spmi-regulator.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+)