netdev - Re: [PATCH net-next 1/3] macb: bindings doc: added generic PHY and reset mappings for ZynqMP

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Date:   Thu, 13 Jan 2022 08:25:22 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     Robert Hancock <robert.hancock@...ian.com>,
        <netdev@...r.kernel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>
CC:     <davem@...emloft.net>, <kuba@...nel.org>, <robh+dt@...nel.org>,
        <michal.simek@...inx.com>, <nicolas.ferre@...rochip.com>,
        <claudiu.beznea@...rochip.com>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH net-next 1/3] macb: bindings doc: added generic PHY and
 reset mappings for ZynqMP



On 1/12/22 19:11, Robert Hancock wrote:
> Updated macb DT binding documentation to reflect the phy-names, phys,
> resets, reset-names properties which are now used with ZynqMP GEM
> devices, and added a ZynqMP-specific DT example.
> 
> Signed-off-by: Robert Hancock <robert.hancock@...ian.com>
> ---
>   .../devicetree/bindings/net/macb.txt          | 33 +++++++++++++++++++
>   1 file changed, 33 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
> index a1b06fd1962e..e526952145b8 100644
> --- a/Documentation/devicetree/bindings/net/macb.txt
> +++ b/Documentation/devicetree/bindings/net/macb.txt
> @@ -29,6 +29,12 @@ Required properties:
>   	Optional elements: 'rx_clk' applies to cdns,zynqmp-gem
>   	Optional elements: 'tsu_clk'
>   - clocks: Phandles to input clocks.
> +- phy_names, phys: Required with ZynqMP SoC when in SGMII mode.
> +                   phy_names should be "sgmii-phy" and phys should
> +                   reference PS-GTR generic PHY device for this controller
> +                   instance. See ZynqMP example below.
> +- resets, reset-names: Recommended with ZynqMP, specify reset control for this
> +		       controller instance with zynqmp-reset driver.
>   
>   Optional properties:
>   - mdio: node containing PHY children. If this node is not present, then PHYs
> @@ -58,3 +64,30 @@ Examples:
>   			reset-gpios = <&pioE 6 1>;
>   		};
>   	};
> +
> +	gem1: ethernet@...c0000 {
> +		compatible = "cdns,zynqmp-gem", "cdns,gem";
> +		interrupt-parent = <&gic>;
> +		interrupts = <0 59 4>, <0 59 4>;
> +		reg = <0x0 0xff0c0000 0x0 0x1000>;
> +		clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
> +			 <&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
> +			 <&zynqmp_clk GEM_TSU>;
> +		clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		#stream-id-cells = <1>;
> +		iommus = <&smmu 0x875>;
> +		power-domains = <&zynqmp_firmware PD_ETH_1>;
> +		resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
> +		reset-names = "gem1_rst";
> +		status = "okay";
> +		phy-mode = "sgmii";
> +		phy-names = "sgmii-phy";
> +		phys = <&psgtr 1 PHY_TYPE_SGMII 1 1>;
> +		fixed-link {
> +			speed = <1000>;
> +			full-duplex;
> +			pause;
> +		};
> +	};


Geert already converted this file to yaml that's why you should target this version.

Thanks,
Michal