Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935530AbcJUPrG (ORCPT ); Fri, 21 Oct 2016 11:47:06 -0400 Received: from vps0.lunn.ch ([178.209.37.122]:50995 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934249AbcJUPrE (ORCPT ); Fri, 21 Oct 2016 11:47:04 -0400 Date: Fri, 21 Oct 2016 17:46:34 +0200 From: Andrew Lunn To: Neil Armstrong Cc: khilman@baylibre.com, carlo@caione.org, linus.walleij@linaro.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection Message-ID: <20161021154634.GQ16974@lunn.ch> References: <1477060838-14164-1-git-send-email-narmstrong@baylibre.com> <1477060838-14164-9-git-send-email-narmstrong@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1477060838-14164-9-git-send-email-narmstrong@baylibre.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 518 Lines: 15 On Fri, Oct 21, 2016 at 04:40:33PM +0200, Neil Armstrong wrote: > The Meson GXL dwmac Glue Layer also provides switching between an external PHY > and an internal RMII 10/100 PHY. > Add a way to setup the correct PHY switching from a device tree attribute. Hi Neil Can this be made automatic? The internal PHY appears to be on address 8. Can there also be an external PHY on address 8? Could you follow the phy-handle link to the phy node, check the address, and if it is 8, configure for an internal PHY? Andrew