Add document for mfd driver hi655x pmic driver
Signed-off-by: Chen Feng <puck.chen@xxxxxxxxxxxxx>
Signed-off-by: Fei Wang <w.f@xxxxxxxxxx>
---
.../devicetree/bindings/mfd/hisilicon,hi655x.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
new file mode 100644
index 0000000..afa2fa5
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
@@ -0,0 +1,18 @@
+Hisilicon hi655x Power Management Integrated Circuit (PMIC)
+
+Required properties:
+- compatible: Should be "hisilicon,hi655x-pmic-driver"
+- reg: Base address of PMIC on hi6220 soc
+- #interrupt-cells: Should be 2, two cells are needed for irq.
+- interrupt-controller: hi655x has internal IRQs (has own IRQ domain).
+- pmu_irq_gpio: should be &gpio_pmu_irq_n, is the IRQ gpio of hi655x.
+
+Example:
+ pmic: pmic@f8000000 {
+ compatible = "hisilicon,hi655x-pmic-driver";
+ reg = <0x0 0xf8000000 0x0 0x1000>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ pmic_gpios = <&gpio_pmu_irq_n>;
+ status = "okay";
+ }
--
1.9.1
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