[PATCH v3 2/3] dt-bindings: net: support for Allwinner R40 EMAC controller
From: Evgeny Boger <hidden>
Date: 2021-11-21 19:54:06
Also in:
linux-devicetree, linux-sunxi
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
R40 and A10/A20 share the same EMAC IP. However, on R40 the EMAC is gated by default, so reset property is required. Signed-off-by: Evgeny Boger <redacted> --- .../net/allwinner,sun4i-a10-emac.yaml | 20 ++++++++++++++++++- 1 file changed, 19 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..cbb297c38daa 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,sun4i-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,sun4i-r40-emac + +then: + required: + - resets + required: - compatible - reg
@@ -42,11 +57,14 @@ unevaluatedProperties: false examples: - | + #define RST_BUS_EMAC 14 + emac: ethernet@1c0b000 { compatible = "allwinner,sun4i-a10-emac"; reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; + resets = <&ccu RST_BUS_EMAC>; phy-handle = <&phy0>; allwinner,sram = <&emac_sram 1>; };
--
2.25.1
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