Add compatible strings for the four SCU interrupt controller instances
on the AST2700 SoC (scu-ic0 to 3), following the multi-instance model used
on AST2600.

Also define interrupt indices in the binding header.

Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
---
 .../aspeed,ast2500-scu-ic.yaml                     |  6 +++++-
 .../interrupt-controller/aspeed-scu-ic.h           | 14 ++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2500-scu-ic.yaml b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2500-scu-ic.yaml
index d5287a2bf866..d998a9d69b91 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2500-scu-ic.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2500-scu-ic.yaml
@@ -5,7 +5,7 @@
 $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2500-scu-ic.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Aspeed AST25XX and AST26XX SCU Interrupt Controller
+title: Aspeed AST25XX, AST26XX, AST27XX SCU Interrupt Controller
 
 maintainers:
   - Eddie James <eajames@linux.ibm.com>
@@ -16,6 +16,10 @@ properties:
       - aspeed,ast2500-scu-ic
       - aspeed,ast2600-scu-ic0
       - aspeed,ast2600-scu-ic1
+      - aspeed,ast2700-scu-ic0
+      - aspeed,ast2700-scu-ic1
+      - aspeed,ast2700-scu-ic2
+      - aspeed,ast2700-scu-ic3
 
   reg:
     maxItems: 1
diff --git a/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h b/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h
index f315d5a7f5ee..7dd04424afcc 100644
--- a/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h
+++ b/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h
@@ -20,4 +20,18 @@
 #define ASPEED_AST2600_SCU_IC1_LPC_RESET_LO_TO_HI	0
 #define ASPEED_AST2600_SCU_IC1_LPC_RESET_HI_TO_LO	1
 
+#define ASPEED_AST2700_SCU_IC0_PCIE_PERST_LO_TO_HI	3
+#define ASPEED_AST2700_SCU_IC0_PCIE_PERST_HI_TO_LO	2
+
+#define ASPEED_AST2700_SCU_IC1_PCIE_RCRST_LO_TO_HI	3
+#define ASPEED_AST2700_SCU_IC1_PCIE_RCRST_HI_TO_LO	2
+
+#define ASPEED_AST2700_SCU_IC2_PCIE_PERST_LO_TO_HI	3
+#define ASPEED_AST2700_SCU_IC2_PCIE_PERST_HI_TO_LO	2
+#define ASPEED_AST2700_SCU_IC2_LPC_RESET_LO_TO_HI	1
+#define ASPEED_AST2700_SCU_IC2_LPC_RESET_HI_TO_LO	0
+
+#define ASPEED_AST2700_SCU_IC3_LPC_RESET_LO_TO_HI	1
+#define ASPEED_AST2700_SCU_IC3_LPC_RESET_HI_TO_LO	0
+
 #endif /* _DT_BINDINGS_INTERRUPT_CONTROLLER_ASPEED_SCU_IC_H_ */
-- 
2.34.1

On Sun, 31 Aug 2025 10:14:37 +0800, Ryan Chen wrote:
> Add compatible strings for the four SCU interrupt controller instances
> on the AST2700 SoC (scu-ic0 to 3), following the multi-instance model used
> on AST2600.
> 
> Also define interrupt indices in the binding header.
> 
> Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
> ---
>  .../aspeed,ast2500-scu-ic.yaml                     |  6 +++++-
>  .../interrupt-controller/aspeed-scu-ic.h           | 14 ++++++++++++++
>  2 files changed, 19 insertions(+), 1 deletion(-)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>