From mboxrd@z Thu Jan 1 00:00:00 1970 From: Biao Huang Subject: [PATCH 1/2] dt-binding: mediatek: Add binding document for MediaTek GMAC Date: Mon, 17 Sep 2018 14:29:22 +0800 Message-ID: <1537165763-13112-2-git-send-email-biao.huang@mediatek.com> References: <1537165763-13112-1-git-send-email-biao.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1537165763-13112-1-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 List-Id: devicetree@vger.kernel.org The commit adds the device tree binding documentation for the MediaTek GMAC found on Mediatek MT2712. Signed-off-by: Biao Huang --- .../devicetree/bindings/net/mediatek-gmac.txt | 45 ++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/mediatek-gmac.txt diff --git a/Documentation/devicetree/bindings/net/mediatek-gmac.txt b/Documentation/devicetree/bindings/net/mediatek-gmac.txt new file mode 100644 index 0000000..14876ed --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek-gmac.txt @@ -0,0 +1,45 @@ +MediaTek Gigabit Ethernet controller +========================================= + +The gigabit ethernet controller can be found on MediaTek SoCs. + +* Ethernet controller node + +Required properties: +- compatible: Should be + "mediatek,mt2712-eth": for MT2712 SoC +- reg: Address and length of the register set for the device +- interrupts: Should contain the MAC interrupts +- interrupt-names: the name of interrupt in the interrupts property. These are + "macirq": For MT2712 SoC +- clocks: the clock used by the controller +- clock-names: the names of the clock listed in the clocks property. These are + "axi", "apb", "mac_ext", "ptp", "ptp_parent", "ptp_top": For MT2712 SoC +- mac-address: See ethernet.txt in the same directory +- power-domains: phandle to the power domain that the ethernet is part of +- phy-mode: See ethernet.txt file in the same directory. +- reset-gpio: gpio number for phy reset. + +Example: + +eth: eth@1101c000 { + compatible = "mediatek,mt2712-eth"; + reg = <0 0x1101c000 0 0x1200>; + interrupts = ; + interrupt-names = "macirq"; + phy-mode ="rgmii"; + mac-address = [00 55 7b b5 7d f7]; + clock-names = "axi", + "apb", + "mac_ext", + "ptp", + "ptp_parent", + "ptp_top"; + clocks = <&pericfg CLK_PERI_GMAC>, + <&pericfg CLK_PERI_GMAC_PCLK>, + <&topckgen CLK_TOP_ETHER_125M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_APLL1_D3>, + <&topckgen CLK_TOP_APLL1>; + reset-gpio = <&pio 87 GPIO_ACTIVE_HIGH>; + }; -- 1.7.9.5