Re: [PATCH v2 3/3] net: stmmac: dwmac-qcom-ethqos: add support for EMAC on qcs615 platforms

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On Tue, Dec 24, 2024 at 11:07:03AM +0800, Yijie Yang wrote:
> qcs615 uses EMAC version 2.3.1, add the relevant defines and add the new
> compatible.
> 
> Signed-off-by: Yijie Yang <quic_yijiyang@xxxxxxxxxxx>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
> index 901a3c1959fa57efb078da795ad4f92a8b6f71e1..8c76beaee48821eb2853f4e3f8bfd37db8cadf78 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
> @@ -249,6 +249,22 @@ static const struct ethqos_emac_driver_data emac_v2_1_0_data = {
>  	.has_emac_ge_3 = false,
>  };
>  
> +static const struct ethqos_emac_por emac_v2_3_1_por[] = {
> +	{ .offset = RGMII_IO_MACRO_CONFIG,	.value = 0x00C01343 },
> +	{ .offset = SDCC_HC_REG_DLL_CONFIG,	.value = 0x2004642C },

lowercase the hex, please.

> +	{ .offset = SDCC_HC_REG_DDR_CONFIG,	.value = 0x00000000 },
> +	{ .offset = SDCC_HC_REG_DLL_CONFIG2,	.value = 0x00200000 },
> +	{ .offset = SDCC_USR_CTL,		.value = 0x00010800 },
> +	{ .offset = RGMII_IO_MACRO_CONFIG2,	.value = 0x00002060 },
> +};
> +
> +static const struct ethqos_emac_driver_data emac_v2_3_1_data = {
> +	.por = emac_v2_3_1_por,
> +	.num_por = ARRAY_SIZE(emac_v2_3_1_por),
> +	.rgmii_config_loopback_en = true,
> +	.has_emac_ge_3 = false,
> +};

Modulo emac_v2_3_1_por vs emac_v2_3_0_por, this is the same as
emac_v2_3_0_data. Which means that bindings for qcs615-ethqos should be
corrected to use qcom,qcs404-ethqos as as fallback entry, making this
patch unused. Please correct the bindings instead.

> +
>  static const struct ethqos_emac_por emac_v3_0_0_por[] = {
>  	{ .offset = RGMII_IO_MACRO_CONFIG,	.value = 0x40c01343 },
>  	{ .offset = SDCC_HC_REG_DLL_CONFIG,	.value = 0x2004642c },
> @@ -898,6 +914,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
>  
>  static const struct of_device_id qcom_ethqos_match[] = {
>  	{ .compatible = "qcom,qcs404-ethqos", .data = &emac_v2_3_0_data},
> +	{ .compatible = "qcom,qcs615-ethqos", .data = &emac_v2_3_1_data},
>  	{ .compatible = "qcom,sa8775p-ethqos", .data = &emac_v4_0_0_data},
>  	{ .compatible = "qcom,sc8280xp-ethqos", .data = &emac_v3_0_0_data},
>  	{ .compatible = "qcom,sm8150-ethqos", .data = &emac_v2_1_0_data},
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry




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