Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756437AbdCUJfc (ORCPT ); Tue, 21 Mar 2017 05:35:32 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:7387 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753669AbdCUJf3 (ORCPT ); Tue, 21 Mar 2017 05:35:29 -0400 From: To: , , , , , CC: , , , , , , , , Subject: [PATCH net-next v2 1/5] dt-bindings: net: dsa: add Mediatek MT7530 binding Date: Tue, 21 Mar 2017 17:35:06 +0800 Message-ID: <1490088910-19405-2-git-send-email-sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1490088910-19405-1-git-send-email-sean.wang@mediatek.com> References: <1490088910-19405-1-git-send-email-sean.wang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2900 Lines: 111 From: Sean Wang Add device-tree binding for Mediatek MT7530 switch. Cc: devicetree@vger.kernel.org Signed-off-by: Sean Wang --- .../devicetree/bindings/net/dsa/mt7530.txt | 92 ++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dsa/mt7530.txt diff --git a/Documentation/devicetree/bindings/net/dsa/mt7530.txt b/Documentation/devicetree/bindings/net/dsa/mt7530.txt new file mode 100644 index 0000000..a9bc27b --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt @@ -0,0 +1,92 @@ +Mediatek MT7530 Ethernet switch +================================ + +Required properties: + +- compatible: Must be compatible = "mediatek,mt7530"; +- #address-cells: Must be 1. +- #size-cells: Must be 0. +- mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part + on multi-chip module belong to MT7623A has or the remotely standalone + chip as the function MT7623N reference board provided for. +- core-supply: Phandle to the regulator node necessary for the core power. +- io-supply: Phandle to the regulator node necessary for the I/O power. + See Documentation/devicetree/bindings/regulator/mt6323-regulator.txt + for details for the regulator setup on these boards. + +If the property mediatek,mcm isn't defined, following property is required + +- reset-gpios: Should be a gpio specifier for a reset line. + +Else, following properties are required + +- resets : Phandle pointing to the system reset controller with + line index for the ethsys. +- reset-names : Should be set to "mcm". + +Required properties for the child nodes within ports container: + +- reg: Port address described must be 6 for CPU port and from 0 to 5 for + user ports. +- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled + "cpu". + +See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional +required, optional properties and how the integrated switch subnodes must +be specified. + +Example: + + &mdio0 { + switch@0 { + compatible = "mediatek,mt7530"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + core-supply = <&mt6323_vpa_reg>; + io-supply = <&mt6323_vemc3v3_reg>; + reset-gpios = <&pio 33 0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + port@0 { + reg = <0>; + label = "lan0"; + }; + + port@1 { + reg = <1>; + label = "lan1"; + }; + + port@2 { + reg = <2>; + label = "lan2"; + }; + + port@3 { + reg = <3>; + label = "lan3"; + }; + + port@4 { + reg = <4>; + label = "wan"; + }; + + port@6 { + reg = <6>; + label = "cpu"; + ethernet = <&gmac0>; + phy-mode = "trgmii"; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; + }; -- 1.9.1