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-rw-r--r--Documentation/devicetree/bindings/net/stm32-dwmac.yaml11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
index fc8c96b08d7d..7ccf75676b6d 100644
--- a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
@@ -82,6 +82,13 @@ properties:
Should be phandle/offset pair. The phandle to the syscon node which
encompases the glue register, and the offset of the control register
+ st,ext-phyclk:
+ description:
+ set this property in RMII mode when you have PHY without crystal 50MHz and want to
+ select RCC clock instead of ETH_REF_CLK. OR in RGMII mode when you want to select
+ RCC clock instead of ETH_CLK125.
+ type: boolean
+
st,eth-clk-sel:
description:
set this property in RGMII PHY when you want to select RCC clock instead of ETH_CLK125.
@@ -93,6 +100,10 @@ properties:
select RCC clock instead of ETH_REF_CLK.
type: boolean
+ access-controllers:
+ minItems: 1
+ maxItems: 2
+
required:
- compatible
- clocks