From patchwork Thu Mar 14 14:01:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerome Brunet X-Patchwork-Id: 1056543 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="h12UH4uN"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44Kr492Qdsz9s5c for ; Fri, 15 Mar 2019 01:02:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727708AbfCNOB6 (ORCPT ); Thu, 14 Mar 2019 10:01:58 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:55203 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727665AbfCNOB4 (ORCPT ); Thu, 14 Mar 2019 10:01:56 -0400 Received: by mail-wm1-f65.google.com with SMTP id f3so3164065wmj.4 for ; Thu, 14 Mar 2019 07:01:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VrIM0LIaAeyRnbtzdYl720Pekr4qj64JGsc6swg1oRE=; b=h12UH4uN+TK+CWagvg7xGzLUqGLu4PZVoiVJpeT4y/1h7Iq1fV58Wm9UTL0VMB85J5 xixzDy/ousy7RYw7epz+obveAK4Njoxz4uhAtAEMX5J1Frme5pEgrhukvX9JCfP0zLjm Ro4PQ+Kpq9SQW0EHZE7ATa9nwM17DgjsfpP6TG9UUWYE4DhO8S10eStLrOQn3I3JHgqb nFqYfJlA3dSJeDjxUN0ghhivQBL/77X2DZKVMSycDjTwa1usSaEH5xpBvwVoPc3mp9F0 MUhi/RoBtC1oOrdxwrgVBGhn4N01ELMCVDFLhW6yK3XhnxeRrAscucOzTDdGmJtVaC4K tauQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VrIM0LIaAeyRnbtzdYl720Pekr4qj64JGsc6swg1oRE=; b=Kq8sFA4Krr15lvjOUG+bAMI4WSHPM4S0+QOYHk4k6uRHMMsioXh3LVxhW8dvdt+8xG +1SxcFAEScpNYZqpQQnK2uAP25liaaJQu7k5jjrDmuhAoKMTyzETtvKkhPErDI/esead o9tOTspkj79ashabkdYl24AUXr8W7bx/LdClgD6KCVsLM3e6op08EkGk//sSf0MjIylM XJH9egVVpqbGlYPoYW28dWM6b3Zaw9vyPFWHW0ZnQuBFoTCQlfqFGo7JyZFvL5enUXZY EgJoUsO2uFcOvDYYFYARj9hj9NQfB+PhGVqhlCVv7FQBnkISCEp6bARWyYa8phQgm8Kb aTwQ== X-Gm-Message-State: APjAAAWyh1L7nP1FhfbYSBLzaTjqiC46JfVxYtjyid4vxQo7OSLvZRf7 NSzscsF7pvtzObWsTE3G5V3I4Q== X-Google-Smtp-Source: APXvYqx30dID+exeDffHkGRxAS6tGiz1CiwGspdI2h6soSmi9WPVymySTu2maYUw9cnBmRw6gtuXBg== X-Received: by 2002:a1c:9693:: with SMTP id y141mr2805320wmd.33.1552572114872; Thu, 14 Mar 2019 07:01:54 -0700 (PDT) Received: from boomer.local ([2a01:e34:eeb6:4690:106b:bae3:31ed:7561]) by smtp.googlemail.com with ESMTPSA id y7sm2661051wmi.34.2019.03.14.07.01.53 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 14 Mar 2019 07:01:54 -0700 (PDT) From: Jerome Brunet To: Andrew Lunn , Florian Fainelli , Heiner Kallweit , "David S. Miller" , Kevin Hilman Cc: Jerome Brunet , netdev@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH net-next 1/3] dt-bindings: net: phy: add g12a mdio mux documentation Date: Thu, 14 Mar 2019 15:01:33 +0100 Message-Id: <20190314140135.19184-2-jbrunet@baylibre.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190314140135.19184-1-jbrunet@baylibre.com> References: <20190314140135.19184-1-jbrunet@baylibre.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add documentation for the device tree bindings of the MDIO mux of Amlogic g12a SoC family Signed-off-by: Jerome Brunet Reviewed-by: Rob Herring --- .../bindings/net/mdio-mux-meson-g12a.txt | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt diff --git a/Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt b/Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt new file mode 100644 index 000000000000..e738bba6a9de --- /dev/null +++ b/Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt @@ -0,0 +1,48 @@ +Properties for the MDIO bus multiplexer/glue of Amlogic G12a SoC family. + +This is a special case of a MDIO bus multiplexer. It allows to choose between +the internal mdio bus leading to the embedded 10/100 PHY or the external +MDIO bus. + +Required properties in addition to the generic multiplexer properties: +- compatible : amlogic,g12a-mdio-mux +- reg: physical address and length of the multiplexer/glue registers +- clocks: list of clock phandle, one for each entry clock-names. +- clock-names: should contain the following: + * "pclk" : peripheral clock. + * "clkin0" : platform crytal + * "clkin1" : SoC 50MHz MPLL + +Example : + +mdio-mux: mdio-multiplexer@4c000 { + compatible = "amlogic,g12a-mdio-mux"; + reg = <0x0 0x4c000 0x0 0xa4>; + clocks = <&clkc CLKID_ETH_PHY>, + <&xtal>, + <&clkc CLKID_MPLL_5OM>; + clock-names = "pclk", "clkin0", "clkin1"; + mdio-parent-bus = <&mdio0>; + #address-cells = <1>; + #size-cells = <0>; + + ext_mdio: mdio@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + }; + + int_mdio: mdio@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + internal_ephy: ethernet_phy@8 { + compatible = "ethernet-phy-id0180.3301", + "ethernet-phy-ieee802.3-c22"; + interrupts = ; + reg = <8>; + max-speed = <100>; + }; + }; +};