[PATCH] net: stmmac: add support for dwmac 5.20

Andrew Lunn andrew at lunn.ch
Sun Jun 29 11:26:42 PDT 2025


On Sun, Jun 29, 2025 at 05:44:25PM +0800, Jisheng Zhang wrote:
> The dwmac 5.20 IP can be found on some synaptics SoCs. Add a
> compatibility flag, and extend coverage of the dwmac-generic driver
> for the 5.20 IP.
> 
> Signed-off-by: Jisheng Zhang <jszhang at kernel.org>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
> index b9218c07eb6b..cecce6ed9aa6 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
> @@ -59,6 +59,7 @@ static const struct of_device_id dwmac_generic_match[] = {
>  	{ .compatible = "snps,dwmac-3.72a"},
>  	{ .compatible = "snps,dwmac-4.00"},
>  	{ .compatible = "snps,dwmac-4.10a"},
> +	{ .compatible = "snps,dwmac-5.20"},
>  	{ .compatible = "snps,dwmac"},
>  	{ .compatible = "snps,dwxgmac-2.10"},
>  	{ .compatible = "snps,dwxgmac"},

I can see a compatible flag being added. But what about the extending
the coverage of the dwmac-generic driver part?

	Andrew



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