Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753549Ab3CKRmw (ORCPT ); Mon, 11 Mar 2013 13:42:52 -0400 Received: from avon.wwwdotorg.org ([70.85.31.133]:57255 "EHLO avon.wwwdotorg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751749Ab3CKRmu (ORCPT ); Mon, 11 Mar 2013 13:42:50 -0400 Message-ID: <513E1797.4010808@wwwdotorg.org> Date: Mon, 11 Mar 2013 11:42:47 -0600 From: Stephen Warren User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: Thierry Reding CC: Laxman Dewangan , linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, pdeschrijver@nvidia.com Subject: Re: [PATCH V2 3/5] ARM: DT: tegra114:add aliases and DMA requestor for serial controller References: <1362852678-13421-1-git-send-email-ldewangan@nvidia.com> <1362852678-13421-4-git-send-email-ldewangan@nvidia.com> <20130310224219.GG4743@avionic-0098.mockup.avionic-design.de> In-Reply-To: <20130310224219.GG4743@avionic-0098.mockup.avionic-design.de> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1368 Lines: 29 On 03/10/2013 04:42 PM, Thierry Reding wrote: > On Sat, Mar 09, 2013 at 11:41:16PM +0530, Laxman Dewangan wrote: > [...] >> diff --git a/arch/arm/boot/dts/tegra114.dtsi >> b/arch/arm/boot/dts/tegra114.dtsi > [...] >> @@ -99,38 +106,50 @@ 0x70003000 0x40c>; /* Mux registers */ }; >> >> - serial@70006000 { + /* + * There are two serial driver i.e. >> 8250 based simple serial + * driver and APB DMA based serial >> driver for higher baudrate + * and performace. To enable the >> 8250 based driver, the compatible + * is >> "nvidia,tegra114-uart", "nvidia,tegra20-uart" and to enable + * >> the APB DMA based serial driver, the comptible is + * >> "nvidia,tegra114-hsuart", "nvidia,tegra30-hsuart". + */ + uarta: >> serial@70006000 { > > I'm not sure if this is a good place for this comment. Perhaps it > should go into the binding documentation? It is at least consistent with previous tegra20/30.dtsi. The two compatible values are separate bindings, so a clue here re: which one to go look at isn't a bad idea, although I agree that having each binding document mention the other one would also be good. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/