From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753362AbeDPSrt (ORCPT ); Mon, 16 Apr 2018 14:47:49 -0400 Received: from mail-ot0-f194.google.com ([74.125.82.194]:42128 "EHLO mail-ot0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753118AbeDPSrr (ORCPT ); Mon, 16 Apr 2018 14:47:47 -0400 X-Google-Smtp-Source: AIpwx4/AguNKLQ/3R3MPhDhJu0yJsZatBZPbWIjn+hAFqvsR2OuXFIdeizgRovIdLrYTR0hpVHc0MA== Date: Mon, 16 Apr 2018 13:47:45 -0500 From: Rob Herring To: Icenowy Zheng Cc: Maxime Ripard , Chen-Yu Tsai , Giuseppe Cavallaro , Corentin Labbe , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: Re: [PATCH 1/5] dt-bindings: allow dwmac-sun8i to use other devices' exported regmap Message-ID: <20180416184745.tqxyvojtcbage4fu@rob-hp-laptop> References: <20180411141641.14675-1-icenowy@aosc.io> <20180411141641.14675-2-icenowy@aosc.io> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180411141641.14675-2-icenowy@aosc.io> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 11, 2018 at 10:16:37PM +0800, Icenowy Zheng wrote: > On some Allwinner SoCs the EMAC clock register needed by dwmac-sun8i is > in another device's memory space. In this situation dwmac-sun8i can use > a regmap exported by the other device with only the EMAC clock register. If this is a clock, then why not use the clock binding? > > Document this situation in the dwmac-sun8i device tree binding > documentation. > > Signed-off-by: Icenowy Zheng > --- > Documentation/devicetree/bindings/net/dwmac-sun8i.txt | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > index 3d6d5fa0c4d5..0c5f63a80617 100644 > --- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > +++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > @@ -20,8 +20,9 @@ Required properties: > - phy-handle: See ethernet.txt > - #address-cells: shall be 1 > - #size-cells: shall be 0 > -- syscon: A phandle to the syscon of the SoC with one of the following > - compatible string: > +- syscon: A phandle to a device which exports the EMAC clock register as a > + regmap or to the syscon of the SoC with one of the following compatible > + string: > - allwinner,sun8i-h3-system-controller > - allwinner,sun8i-v3s-system-controller > - allwinner,sun50i-a64-system-controller > -- > 2.15.1 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html