Document the fact that some Exynos PMUs are capable of acting as
an interrupt controller.
Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
---
Documentation/devicetree/bindings/arm/samsung/pmu.txt | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
index 1e1979b..d698e74 100644
--- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
@@ -28,10 +28,23 @@ Properties:
- clocks : list of phandles and specifiers to all input clocks listed in
clock-names property.
+Optional properties:
+
+Some PMUs are capable of behaving as an interrupt controller (mostly
+to wake up a suspended PMU). In which case, they can have the
+following properties:
+
+- interrupt-controller: indicate that said PMU is an interrupt controller
+
+- interrupt-parent: a phandle indicating which interrupt controller
+ this PMU signals interrupts to.
+
Example :
pmu_system_controller: system-controller@10040000 {
compatible = "samsung,exynos5250-pmu", "syscon";
reg = <0x10040000 0x5000>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
#clock-cells = <1>;
clock-names = "clkout0", "clkout1", "clkout2", "clkout3",
"clkout4", "clkout8", "clkout9";
--
2.1.4
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