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Subject[PATCH 1/5] dt-bindings: allow dwmac-sun8i to use other devices' exported regmap
Date
On some Allwinner SoCs the EMAC clock register needed by dwmac-sun8i is
in another device's memory space. In this situation dwmac-sun8i can use
a regmap exported by the other device with only the EMAC clock register.

Document this situation in the dwmac-sun8i device tree binding
documentation.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
Documentation/devicetree/bindings/net/dwmac-sun8i.txt | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
index 3d6d5fa0c4d5..0c5f63a80617 100644
--- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
+++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
@@ -20,8 +20,9 @@ Required properties:
- phy-handle: See ethernet.txt
- #address-cells: shall be 1
- #size-cells: shall be 0
-- syscon: A phandle to the syscon of the SoC with one of the following
- compatible string:
+- syscon: A phandle to a device which exports the EMAC clock register as a
+ regmap or to the syscon of the SoC with one of the following compatible
+ string:
- allwinner,sun8i-h3-system-controller
- allwinner,sun8i-v3s-system-controller
- allwinner,sun50i-a64-system-controller
--
2.15.1
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