This patch adds the binding documentation for Spreadtrum SC27xx series
PMIC device.
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/mfd/sprd,sc27xx-pmic.txt | 23 ++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/sprd,sc27xx-pmic.txt
diff --git a/Documentation/devicetree/bindings/mfd/sprd,sc27xx-pmic.txt b/Documentation/devicetree/bindings/mfd/sprd,sc27xx-pmic.txt
new file mode 100644
index 0000000..333c818
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/sprd,sc27xx-pmic.txt
@@ -0,0 +1,23 @@
+Spreadtrum SC27xx Power Management Integrated Circuit (PMIC)
+
+Required properties:
+- compatible: Should be "sprd,sc2731".
+- reg: SPI chip select.
+- spi-max-frequency: Typically set to 26000000.
+- interrupts: The interrupt line the device is connected to.
+- interrupt-controller: Marks the device node as an interrupt controller.
+- #interrupt-cells: The number of cells to describe an PMIC IRQ, should be 2.
+- #address-cells: Child device offset number of cells, should be 1.
+- #size-cells: Child device size number of cells, should be 0.
+
+Example:
+pmic: pmic@0 {
+ compatible = "sprd,sc2731";
+ reg = <0>;
+ spi-max-frequency = <26000000>;
+ interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+};
--
1.7.9.5
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