This patch adds the Device tree bindings for the Freescale MXS on-chip
regulators.
Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
---
.../bindings/regulator/mxs-regulator.txt | 38 ++++++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/mxs-regulator.txt
diff --git a/Documentation/devicetree/bindings/regulator/mxs-regulator.txt b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt
new file mode 100644
index 0000000..c3226cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt
@@ -0,0 +1,38 @@
+MXS regulators
+
+Required node properties:
+- compatible: Should be "fsl,<soc>-power", where soc is "imx23" or "imx28"
+- reg: Offset and length of the register set for the device
+
+Required regulator properties:
+- compatible: Must be "fsl,mxs-regulator"
+- reg: Offset of the register set for the regulator
+- mxs-max-reg-val: Maximum value of this register
+
+Optional regulator properties:
+- mxs-default-microvolt: initial voltage of the regulator
+
+Any regulator property defined as part of the core regulator
+binding, defined in regulator.txt, can also be used.
+
+Example:
+
+ power: power@80044000 {
+ compatible = "fsl,imx28-power";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x80044000 0x2000>;
+
+ reg_vddio: regulator-vddio@80044060 {
+ reg = <0x80044060>;
+ compatible = "fsl,mxs-regulator";
+ regulator-name = "vddio";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <3600000>;
+ regulator-microvolt-offset = <80000>;
+ regulator-always-on;
+ mxs-max-reg-val = <0x10>;
+ mxs-default-microvolt = <3300000>;
+ };
+ };
+
--
1.8.1.4
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