From: Alexandre TORGUE Date: Fri, 1 Apr 2016 09:37:33 +0000 (+0200) Subject: stmmac: add new DT platform entries for GMAC4 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ee2ae1ed46251dcbdcc2c59b5e30f664ddfbacb1;p=linux-beck.git 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: Giuseppe Cavallaro Signed-off-by: Alexandre TORGUE Signed-off-by: David S. Miller --- diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt index 6605d19601c2..4d302db657c0 100644 --- a/Documentation/devicetree/bindings/net/stmmac.txt +++ b/Documentation/devicetree/bindings/net/stmmac.txt @@ -59,6 +59,8 @@ Optional properties: - snps,fb: fixed-burst - snps,mb: mixed-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. Examples: diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index cf37ea558ecc..effaa4ff5ab7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -284,6 +284,13 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) 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") || of_device_is_compatible(np, "snps,dwmac-3.710")) { plat->enh_desc = 1; diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index e6bc30a42a74..ffdaca9c01af 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -137,5 +137,7 @@ struct plat_stmmacenet_data { void (*exit)(struct platform_device *pdev, void *priv); void *bsp_priv; struct stmmac_axi *axi; + int has_gmac4; + bool tso_en; }; #endif