Re: [PATCH V1 net-next 2/5] dt-bindings: fec: add RGMII delayed clock property

From: Rob Herring
Date: Wed Jul 14 2021 - 19:19:44 EST


On Fri, Jul 09, 2021 at 04:18:20PM +0800, Joakim Zhang wrote:
> From: Fugang Duan <fugang.duan@xxxxxxx>
>
> Add property for RGMII delayed clock.
>
> Signed-off-by: Fugang Duan <fugang.duan@xxxxxxx>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
> ---
> Documentation/devicetree/bindings/net/fsl-fec.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
> index 6754be1b91c4..f93b9552cfc5 100644
> --- a/Documentation/devicetree/bindings/net/fsl-fec.txt
> +++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
> @@ -50,6 +50,10 @@ Optional properties:
> SOC internal PLL.
> - "enet_out"(option), output clock for external device, like supply clock
> for PHY. The clock is required if PHY clock source from SOC.
> + - "enet_2x_txclk"(option), for RGMII sampleing clock which fixed at 250Mhz.
> + The clock is required if SOC RGMII enable clock delay.
> +- fsl,rgmii_txc_dly: add RGMII TXC delayed clock from MAC.
> +- fsl,rgmii_rxc_dly: add RGMII RXC delayed clock from MAC.

Don't we have standard properties for this?

>
> Optional subnodes:
> - mdio : specifies the mdio bus in the FEC, used as a container for phy nodes
> --
> 2.17.1
>
>