From mboxrd@z Thu Jan 1 00:00:00 1970 From: Biao Huang Subject: [PATCH 2/2] dt-binding: mediatek-dwmac: add binding document for MediaTek MT2712 DWMAC Date: Mon, 29 Oct 2018 11:04:54 +0800 Message-ID: <1540782294-27721-3-git-send-email-biao.huang@mediatek.com> References: <1540782294-27721-1-git-send-email-biao.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1540782294-27721-1-git-send-email-biao.huang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: davem@davemloft.net, robh+dt@kernel.org Cc: 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, biao.huang@mediatek.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, andrew@lunn.ch List-Id: devicetree@vger.kernel.org The commit adds the device tree binding documentation for the MediaTek DWMAC found on MediaTek MT2712. Signed-off-by: Biao Huang --- .../devicetree/bindings/net/mediatek-dwmac.txt | 49 ++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/mediatek-dwmac.txt diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.txt b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt new file mode 100644 index 0000000..8baf0e4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt @@ -0,0 +1,49 @@ +MediaTek DWMAC glue layer controller + +This file documents platform glue layer for stmmac. +Please see stmmac.txt for the other unchanged properties. + +The device node has following properties. + +Required properties: +- compatible: Should be "mediatek,mt2712-gmac" for MT2712 SoC +- reg: Address and length of the register set for the device +- interrupts: Should contain the MAC interrupts +- interrupt-names: Should contain a list of interrupt names corresponding to + the interrupts in the interrupts property, if available. + Should be "macirq" for the main MAC IRQ +- clocks: Must contain a phandle for each entry in clock-names. +- clock-names: the name of the clock listed in the clocks property. These are + "axi", "apb", "mac_ext", "mac_parent", "ptp_ref", "ptp_parent", "ptp_top" + for MT2712 SoC +- mac-address: See ethernet.txt in the same directory +- phy-mode: See ethernet.txt in the same directory + +Example: + + eth: ethernet@1101c000 { + compatible = "mediatek,mt2712-gmac"; + reg = <0 0x1101c000 0 0x1300>; + interrupts = ; + interrupt-names = "macirq"; + phy-mode ="rgmii-id"; + mac-address = [00 55 7b b5 7d f7]; + clock-names = "axi", + "apb", + "mac_ext", + "mac_parent", + "ptp_ref", + "ptp_parent", + "ptp_top"; + clocks = <&pericfg CLK_PERI_GMAC>, + <&pericfg CLK_PERI_GMAC_PCLK>, + <&topckgen CLK_TOP_ETHER_125M_SEL>, + <&topckgen CLK_TOP_ETHERPLL_125M>, + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_APLL1_D3>, + <&topckgen CLK_TOP_APLL1>; + snps,txpbl = <32>; + snps,rxpbl = <32>; + snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>; + snps,reset-active-low; + }; -- 1.7.9.5