[PATCH v6 1/1] dt-bindings: interrupt-controller: aspeed,ast2700: correct #interrupt-cells and interrupts count
Ryan Chen
ryan_chen at aspeedtech.com
Thu Oct 30 17:01:55 AEDT 2025
Update the AST2700 interrupt controller binding to match the actual
hardware and the irq-aspeed-intc driver behavior.
- Interrupts:
First-level INTC banks request multiple interrupt lines to the root
GIC, with a maximum of 10 per bank. Second-level INTC banks request
only one interrupt line to their parent INTC-IC. Therefore, set the
interrupts property to allow a minimum of 1 and a maximum of 10
entries.
- #interrupt-cells:
Set '#interrupt-cells' to <1> since the irq-aspeed-intc.c driver does
not support specifying a trigger type; only the interrupt index is used.
Signed-off-by: Ryan Chen <ryan_chen at aspeedtech.com>
---
.../interrupt-controller/aspeed,ast2700-intc.yaml | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml
index 55636d06a674..999df5b905c5 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml
@@ -25,13 +25,14 @@ properties:
interrupt-controller: true
'#interrupt-cells':
- const: 2
+ const: 1
description:
The first cell is the IRQ number, the second cell is the trigger
type as defined in interrupt.txt in this directory.
interrupts:
- maxItems: 6
+ minItems: 1
+ maxItems: 10
description: |
Depend to which INTC0 or INTC1 used.
INTC0 and INTC1 are two kinds of interrupt controller with enable and raw
@@ -74,13 +75,17 @@ examples:
interrupt-controller at 12101b00 {
compatible = "aspeed,ast2700-intc-ic";
reg = <0 0x12101b00 0 0x10>;
- #interrupt-cells = <2>;
+ #interrupt-cells = <1>;
interrupt-controller;
interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+ <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>;
};
};
--
2.34.1
More information about the Linux-aspeed
mailing list