[PATCH v5 2/3] dt-bindings: net: support for Allwinner R40 EMAC controller
Evgeny Boger
boger at wirenboard.com
Wed Jan 12 21:37:33 PST 2022
R40 and A10/A20 share the same EMAC IP.
However, on R40 the EMAC reset needs to be deasserted first,
so resets property is required.
Signed-off-by: Evgeny Boger <boger at wirenboard.com>
---
.../bindings/net/allwinner,sun4i-a10-emac.yaml | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml
index 8d8560a67abf..d9ed7b547af3 100644
--- a/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml
+++ b/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml
@@ -15,7 +15,9 @@ maintainers:
properties:
compatible:
- const: allwinner,sun4i-a10-emac
+ enum:
+ - allwinner,sun4i-a10-emac
+ - allwinner,sun8i-r40-emac
reg:
maxItems: 1
@@ -30,6 +32,19 @@ properties:
description: Phandle to the device SRAM
$ref: /schemas/types.yaml#/definitions/phandle-array
+ resets:
+ maxItems: 1
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: allwinner,sun8i-r40-emac
+
+then:
+ required:
+ - resets
+
required:
- compatible
- reg
--
2.25.1
More information about the linux-arm-kernel
mailing list