linux-kernel - Re: [PATCH] arm64: dts: ls1028a-qds: define mdio slots for networking options

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Message-ID: <20220127170557.v7lg3harlf2skeqi@skbuf>
Date:   Thu, 27 Jan 2022 19:05:57 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Li Yang <leoyang.li@....com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alex Marginean <alexandru.marginean@....com>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH] arm64: dts: ls1028a-qds: define mdio slots for
 networking options

On Wed, Jan 26, 2022 at 03:26:50AM -0600, Li Yang wrote:
> The ls1028a QDS board support different pluggable PHY cards.  Define the
> nodes for these slots to be updated at boot time with overlay according
> to board setup.
> 
> Signed-off-by: Alex Marginean <alexandru.marginean@....com>
> Signed-off-by: Li Yang <leoyang.li@....com>
> ---

Tested-by: Vladimir Oltean <vladimir.oltean@....com>

This fixes:
=> tftp $fdt_addr_r fsl-ls1028a-qds.dtb && tftp $fdt_ovr_addr_r fsl-ls1028a-qds-85bb.dtb
=> fdt addr $fdt_addr_r && fdt resize 0x100000 && fdt apply $fdt_ovr_addr_r
failed on fdt_overlay_apply(): FDT_ERR_NOTFOUND

>  .../boot/dts/freescale/fsl-ls1028a-qds.dts    | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> index 177bc1405f0f..19d3952dbffe 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> @@ -107,6 +107,30 @@ qds_phy1: ethernet-phy@5 {
>  				reg = <5>;
>  			};
>  		};
> +
> +		mdio_slot1: mdio@4 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <4>;
> +		};
> +
> +		mdio_slot2: mdio@5 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <5>;
> +		};
> +
> +		mdio_slot3: mdio@6 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <6>;
> +		};
> +
> +		mdio_slot4: mdio@7 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <7>;
> +		};
>  	};
>  };
>  
> -- 
> 2.25.1
>