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-rw-r--r--Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt13
1 files changed, 10 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt b/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
index 09daeef1ff22..5b902ac8d97e 100644
--- a/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
+++ b/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
@@ -14,7 +14,14 @@ not described in these device tree bindings.
Required Properties:
-- compatible: must contain "renesas,rcar-dmac"
+- compatible: "renesas,dmac-<soctype>", "renesas,rcar-dmac" as fallback.
+ Examples with soctypes are:
+ - "renesas,dmac-r8a7790" (R-Car H2)
+ - "renesas,dmac-r8a7791" (R-Car M2-W)
+ - "renesas,dmac-r8a7792" (R-Car V2H)
+ - "renesas,dmac-r8a7793" (R-Car M2-N)
+ - "renesas,dmac-r8a7794" (R-Car E2)
+ - "renesas,dmac-r8a7795" (R-Car H3)
- reg: base address and length of the registers block for the DMAC
@@ -35,7 +42,7 @@ Required Properties:
Example: R8A7790 (R-Car H2) SYS-DMACs
dmac0: dma-controller@e6700000 {
- compatible = "renesas,rcar-dmac";
+ compatible = "renesas,dmac-r8a7790", "renesas,rcar-dmac";
reg = <0 0xe6700000 0 0x20000>;
interrupts = <0 197 IRQ_TYPE_LEVEL_HIGH
0 200 IRQ_TYPE_LEVEL_HIGH
@@ -65,7 +72,7 @@ Example: R8A7790 (R-Car H2) SYS-DMACs
};
dmac1: dma-controller@e6720000 {
- compatible = "renesas,rcar-dmac";
+ compatible = "renesas,dmac-r8a7790", "renesas,rcar-dmac";
reg = <0 0xe6720000 0 0x20000>;
interrupts = <0 220 IRQ_TYPE_LEVEL_HIGH
0 216 IRQ_TYPE_LEVEL_HIGH