From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: Re: [PATCH 1/2] net:stmmac: dwmac-mediatek: add support for mt2712 Date: Mon, 29 Oct 2018 13:27:31 +0100 Message-ID: <20181029122731.GA9174@lunn.ch> References: <1540782294-27721-1-git-send-email-biao.huang@mediatek.com> <1540782294-27721-2-git-send-email-biao.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1540782294-27721-2-git-send-email-biao.huang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Biao Huang Cc: davem@davemloft.net, robh+dt@kernel.org, honghui.zhang@mediatek.com, yt.shen@mediatek.com, liguo.zhang@mediatek.com, mark.rutland@arm.com, sean.wang@mediatek.com, nelson.chang@mediatek.com, matthias.bgg@gmail.com, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, joabreu@synopsys.com List-Id: devicetree@vger.kernel.org > +static int mt2712_config_dt(struct mediatek_dwmac_plat_data *plat) > +{ > + u32 mac_timings[4]; > + > + plat->peri_regmap = syscon_regmap_lookup_by_compatible("mediatek,mt2712-pericfg"); > + if (IS_ERR(plat->peri_regmap)) { > + dev_err(plat->dev, "Failed to get pericfg syscon\n"); > + return PTR_ERR(plat->peri_regmap); > + } > + > + if (!of_property_read_u32_array(plat->np, "mac-delay", mac_timings, > + ARRAY_SIZE(mac_timings))) { > + plat->mac_delay.tx_delay = mac_timings[0]; > + plat->mac_delay.rx_delay = mac_timings[1]; > + plat->mac_delay.tx_inv = mac_timings[2]; > + plat->mac_delay.rx_inv = mac_timings[3]; > + } > + > + plat->fine_tune = of_property_read_bool(plat->np, "fine-tune"); > + > + plat->rmii_rxc = of_property_read_bool(plat->np, "rmii-rxc"); Please add document for these properties in the binding. Ideally, you should reuse the binding that some of the other stmmac glue layer uses. e.g. there is already allwinner,tx-delay-ps, allwinner,rx-delay-ps. Thanks Andrew