This clock is managed since commit 705bc96c2c15313c ("irqchip:
renesas-intc-irqpin: Add minimal runtime PM support").
Also add an example while we're at.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
.../interrupt-controller/renesas,intc-irqpin.txt | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
index 4f7946ae8adcdc04..e7cfcec056159b93 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
@@ -25,3 +25,32 @@ Optional properties:
if different from the default 4 bits
- control-parent: disable and enable interrupts on the parent interrupt
controller, needed for some broken implementations
+- clocks: Must contain a reference to the functional clock. The property is
+ mandatory if the hardware implements a controllable functional clock for
+ the irqpin controller instance.
+
+
+Example
+-------
+
+ irqpin1: irqpin@e6900004 {
+ compatible = "renesas,intc-irqpin-r8a7740",
+ "renesas,intc-irqpin";
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ reg = <0xe6900004 4>,
+ <0xe6900014 4>,
+ <0xe6900024 1>,
+ <0xe6900044 1>,
+ <0xe6900064 1>;
+ interrupts = <0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH
+ 0 149 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks R8A7740_CLK_INTCA>;
+ power-domains = <&pd_a4s>;
+ };