Re: [PATCH 2/2] platform: mellanox: mlx-platform: Add support DGX flavor of next-generation 800GB/s ethernet switch.

["Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>]

On Wed, 21 Jan 2026, Oleksandr Shamray wrote:

> This system is based on Nvidia SN5600 Spectrum-4 Based 64x800Gb/s ETH Switch System, with the
> following key changes:
> 
> Key changes:
> - New Power Supply: AC/DC PSUs power replaced by rack busbar input power ORv3 DC 48V-54V.
> - Dimensions MGX/DGX 1U compliance Tool-less top cover

Same question here as with patch 1?

-- 
 i.

> Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
> Signed-off-by: Oleksandr Shamray <oleksandrs@nvidia.com>
> ---
>  drivers/platform/mellanox/mlx-platform.c | 28 ++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/drivers/platform/mellanox/mlx-platform.c b/drivers/platform/mellanox/mlx-platform.c
> index af0c6f4e8c12..1d1b7caef5f0 100644
> --- a/drivers/platform/mellanox/mlx-platform.c
> +++ b/drivers/platform/mellanox/mlx-platform.c
> @@ -7772,6 +7772,27 @@ static int __init mlxplat_dmi_ng800_matched(const struct dmi_system_id *dmi)
>  	return mlxplat_register_platform_device();
>  }
>  
> +static int __init mlxplat_dmi_ng800_dgx_matched(const struct dmi_system_id *dmi)
> +{
> +	int i;
> +
> +	mlxplat_max_adap_num = MLXPLAT_CPLD_MAX_PHYS_ADAPTER_NUM;
> +	mlxplat_mux_num = ARRAY_SIZE(mlxplat_ng800_mux_data);
> +	mlxplat_mux_data = mlxplat_ng800_mux_data;
> +	mlxplat_hotplug = &mlxplat_mlxcpld_dgx_ext_data;
> +	mlxplat_hotplug->deferred_nr =
> +		mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1];
> +	mlxplat_led = &mlxplat_default_ng_led_data;
> +	mlxplat_regs_io = &mlxplat_dgx_ng_regs_io_data;
> +	mlxplat_fan = &mlxplat_default_fan_data;
> +	for (i = 0; i < ARRAY_SIZE(mlxplat_mlxcpld_wd_set_type2); i++)
> +		mlxplat_wd_data[i] = &mlxplat_mlxcpld_wd_set_type2[i];
> +	mlxplat_i2c = &mlxplat_mlxcpld_i2c_ng_data;
> +	mlxplat_regmap_config = &mlxplat_mlxcpld_regmap_config_ng400;
> +
> +	return mlxplat_register_platform_device();
> +}
> +
>  static int __init mlxplat_dmi_l1_switch_matched(const struct dmi_system_id *dmi)
>  {
>  	int i;
> @@ -7926,6 +7947,13 @@ static const struct dmi_system_id mlxplat_dmi_table[] __initconst = {
>  			DMI_MATCH(DMI_BOARD_NAME, "VMOD0011"),
>  		},
>  	},
> +	{
> +		.callback = mlxplat_dmi_ng800_dgx_matched,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "VMOD0013"),
> +			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "HI174"),
> +		},
> +	},
>  	{
>  		.callback = mlxplat_dmi_ng800_matched,
>  		.matches = {
>