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-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml33
1 files changed, 21 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
index 28b6b17fe4b2..27092c6a86c4 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
@@ -35,6 +35,10 @@ description:
contains a specific memory layout, which is documented in chapter 8 of the
SiFive U5 Coreplex Series Manual <https://static.dev.sifive.com/U54-MC-RVCoreIP.pdf>.
+ The thead,c900-plic is different from sifive,plic-1.0.0 in opensbi, the
+ T-HEAD PLIC implementation requires setting a delegation bit to allow access
+ from S-mode. So add thead,c900-plic to distinguish them.
+
maintainers:
- Sagar Kadam <sagar.kadam@sifive.com>
- Paul Walmsley <paul.walmsley@sifive.com>
@@ -42,12 +46,17 @@ maintainers:
properties:
compatible:
- items:
- - enum:
- - sifive,fu540-c000-plic
- - starfive,jh7100-plic
- - canaan,k210-plic
- - const: sifive,plic-1.0.0
+ oneOf:
+ - items:
+ - enum:
+ - sifive,fu540-c000-plic
+ - starfive,jh7100-plic
+ - canaan,k210-plic
+ - const: sifive,plic-1.0.0
+ - items:
+ - enum:
+ - allwinner,sun20i-d1-plic
+ - const: thead,c900-plic
reg:
maxItems: 1
@@ -62,6 +71,7 @@ properties:
interrupts-extended:
minItems: 1
+ maxItems: 15872
description:
Specifies which contexts are connected to the PLIC, with "-1" specifying
that a context is not present. Each node pointed to should be a
@@ -90,12 +100,11 @@ examples:
#interrupt-cells = <1>;
compatible = "sifive,fu540-c000-plic", "sifive,plic-1.0.0";
interrupt-controller;
- interrupts-extended = <
- &cpu0_intc 11
- &cpu1_intc 11 &cpu1_intc 9
- &cpu2_intc 11 &cpu2_intc 9
- &cpu3_intc 11 &cpu3_intc 9
- &cpu4_intc 11 &cpu4_intc 9>;
+ interrupts-extended = <&cpu0_intc 11>,
+ <&cpu1_intc 11>, <&cpu1_intc 9>,
+ <&cpu2_intc 11>, <&cpu2_intc 9>,
+ <&cpu3_intc 11>, <&cpu3_intc 9>,
+ <&cpu4_intc 11>, <&cpu4_intc 9>;
reg = <0xc000000 0x4000000>;
riscv,ndev = <10>;
};