Adding the devicetree binding for labibb regulator.

Signed-off-by: Nisha Kumari <nishakum...@codeaurora.org>
---
 .../bindings/regulator/qcom-labibb-regulator.txt   | 57 ++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt

diff --git 
a/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt 
b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt
new file mode 100644
index 0000000..79aad6f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt
@@ -0,0 +1,57 @@
+Qualcomm's LAB(LCD AMOLED Boost)/IBB(Inverting Buck Boost) Regulator
+
+LAB can be used as a positive boost power supply and IBB can be used as a 
negative
+boost power supply for display panels.
+
+Main node required properties:
+
+- compatible:                  Must be:
+                               "qcom,lab-ibb-regulator"
+- #address-cells:              Must be 1
+- #size-cells:                 Must be 0
+
+LAB subnode required properties:
+
+- reg:                         Specifies the SPMI address and size for this 
peripheral.
+- regulator-name:              A string used to describe the regulator.
+- interrupts:                  Specify the interrupts as per the interrupt
+                               encoding.
+- interrupt-names:             Interrupt names to match up 1-to-1 with
+                               the interrupts specified in 'interrupts'
+                               property.
+
+IBB subnode required properties:
+
+- reg:                         Specifies the SPMI address and size for this 
peripheral.
+- regulator-name:              A string used to describe the regulator.
+- interrupts:                  Specify the interrupts as per the interrupt
+                               encoding.
+- interrupt-names:             Interrupt names to match up 1-to-1 with
+                               the interrupts specified in 'interrupts'
+                               property.
+
+Example:
+       pmi8998_lsid1: pmic@3 {
+               qcom-labibb-regulator {
+                       compatible = "qcom,lab-ibb-regulator";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       lab_regulator: qcom,lab@de00 {
+                               reg = <0xde00>;
+                               regulator-name = "lab_reg";
+
+                               interrupts = <0x3 0xde 0x0 
IRQ_TYPE_EDGE_RISING>;
+                               interrupt-names = "lab-sc-err";
+                       };
+
+                       ibb_regulator: qcom,ibb@dc00 {
+                               reg = <0xdc00>;
+                               regulator-name = "ibb_reg";
+
+                               interrupts = <0x3 0xdc 0x2 
IRQ_TYPE_EDGE_RISING>;
+                               interrupt-names = "ibb-sc-err";
+                       };
+
+               };
+       };
-- 
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