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Commit ee2ae1ed authored by Alexandre TORGUE's avatar Alexandre TORGUE Committed by David S. Miller
Browse files

stmmac: add new DT platform entries for GMAC4 



This is to support the snps,dwmac-4.00 and snps,dwmac-4.10a
and related features on the platform driver.
See binding doc for further details.

Signed-off-by: default avatarGiuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: default avatarAlexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 36ff7c1e

Documentation/devicetree/bindings/net/stmmac.txt

+2 −0
Original line number Original line Diff line number Diff line
@@ -59,6 +59,8 @@ Optional properties: 
	- snps,fb: fixed-burst

	- snps,fb: fixed-burst

	- snps,mb: mixed-burst

	- snps,mb: mixed-burst

	- snps,rb: rebuild INCRx Burst

	- snps,rb: rebuild INCRx Burst

	- snps,tso: this enables the TSO feature otherwise it will be managed by

	    MAC HW capability register.

- mdio: with compatible = "snps,dwmac-mdio", create and register mdio bus.

- mdio: with compatible = "snps,dwmac-mdio", create and register mdio bus.





Examples:

Examples:

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -284,6 +284,13 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) 
		plat->pmt = 1;

		plat->pmt = 1;

	}

	}





	if (of_device_is_compatible(np, "snps,dwmac-4.00") ||

	    of_device_is_compatible(np, "snps,dwmac-4.10a")) {

		plat->has_gmac4 = 1;

		plat->pmt = 1;

		plat->tso_en = of_property_read_bool(np, "snps,tso");

	}



	if (of_device_is_compatible(np, "snps,dwmac-3.610") ||

	if (of_device_is_compatible(np, "snps,dwmac-3.610") ||

		of_device_is_compatible(np, "snps,dwmac-3.710")) {

		of_device_is_compatible(np, "snps,dwmac-3.710")) {

		plat->enh_desc = 1;

		plat->enh_desc = 1;

include/linux/stmmac.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -137,5 +137,7 @@ struct plat_stmmacenet_data { 
	void (*exit)(struct platform_device *pdev, void *priv);

	void (*exit)(struct platform_device *pdev, void *priv);

	void *bsp_priv;

	void *bsp_priv;

	struct stmmac_axi *axi;

	struct stmmac_axi *axi;

	int has_gmac4;

	bool tso_en;

};

};

#endif
 
#endif