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[v8,04/10] dt-bindings: riscv: Add Andes interrupt controller compatible string

Message ID 20240129092553.2058043-5-peterlin@andestech.com
State Accepted
Commit b88727d554f0fb826e0608192f59542497ba19c5
Headers show
Series [v8,01/10] riscv: errata: Rename defines for Andes | expand

Commit Message

Yu-Chien Peter Lin Jan. 29, 2024, 9:25 a.m. UTC 
Add "andestech,cpu-intc" compatible string to indicate that
Andes specific local interrupt is supported on the core,
e.g. AX45MP cores have 3 types of non-standard local interrupt
which can be handled in supervisor mode:

- Slave port ECC error interrupt
- Bus write transaction error interrupt
- Performance monitor overflow interrupt

These interrupts are enabled/disabled via a custom register
SLIE instead of the standard interrupt enable register SIE.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
Changes v1 -> v2:
  - New patch
Changes v2 -> v3:
  - Updated commit message
  - Fixed possible compatibles for Andes INTC
Changes v3 -> v4:
  - Add const entry instead of enum (Suggested by Conor)
Changes v4 -> v5:
  - Include Conor's Acked-by
  - Include Prabhakar's Reviewed-by
Changes v5 -> v6:
  - No change
Changes v6 -> v7:
  - No change
Changes v7 -> v8:
  - No change
---
 Documentation/devicetree/bindings/riscv/cpus.yaml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index 9d8670c00e3b..6ccd75cbbc59 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -106,7 +106,11 @@  properties:
         const: 1
 
       compatible:
-        const: riscv,cpu-intc
+        oneOf:
+          - items:
+              - const: andestech,cpu-intc
+              - const: riscv,cpu-intc
+          - const: riscv,cpu-intc
 
       interrupt-controller: true