From patchwork Wed Jan 4 20:30:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 9497931 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7E3BF606A9 for ; Wed, 4 Jan 2017 22:10:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7111228319 for ; Wed, 4 Jan 2017 22:10:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 640162832F; Wed, 4 Jan 2017 22:10:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 166EF28319 for ; Wed, 4 Jan 2017 22:10:41 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cOtkD-0003ii-H1; Wed, 04 Jan 2017 22:09:17 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cOtjy-0003Q7-Gv for linux-arm-kernel@bombadil.infradead.org; Wed, 04 Jan 2017 22:09:02 +0000 Received: from vern.gendns.com ([206.190.152.46]) by merlin.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cOsED-0001Vd-5V for linux-arm-kernel@lists.infradead.org; Wed, 04 Jan 2017 20:32:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=edO1q7Fnt0BgGytzVBd/KZjnjdMLzOU62yKGBjbWL4E=; b=sT+6P+icxtZifCC4WMD5ylkLG 3Ou7NWs9nmgZfpfCnth6qRlCgungK4CCkVFu2RrPdux5qU7iIR/g+oNWhQXhgBP5x/dDLSxbtU/s/ l6lP9WK11gzw6GhGtRP3vMp6nYiVBCcM9qAsgKDFYot3U8WKhGS2Xz3WP+XG1m9fjXH5AiDZy0Pgv AWawL+zwHRTTQKHPgj1vh/17KlHRYHsFeVh3uR9/Yds2D6l6toCZAmj5f6Rhd2aHq+3o3/PzmcsSM P7jiIX9eUK+sryQ3v/UcColo/USWc+Gr+nF5QTQtxjTPg5Je92w4A/r3JHEV45XEyGoLQ6LNDVYDT WHvdCE2lQ==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:33934 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.87) (envelope-from ) id 1cOsCe-000LpY-Tm; Wed, 04 Jan 2017 15:30:33 -0500 From: David Lechner To: Greg Kroah-Hartman , Sekhar Nori , Santosh Shilimkar Subject: [PATCH v2 3/4] ARM: da850: Add ti, da830-uart compatible for serial ports Date: Wed, 4 Jan 2017 14:30:13 -0600 Message-Id: <1483561814-21953-4-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483561814-21953-1-git-send-email-david@lechnology.com> References: <1483561814-21953-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170104_153209_266806_313215C4 X-CRM114-Status: UNSURE ( 8.88 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, David Lechner , Axel Haslam , Kevin Hilman , linux-kernel@vger.kernel.org, Bartosz Golaszewski , Rob Herring , Alexandre Bailon , linux-serial@vger.kernel.org, Jiri Slaby , Franklin S Cooper Jr , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP TI DA8xx/OMAPL13x/AM17xx/AM18xx SoCs have extra UART registers beyond the standard 8250 registers, so we need a new compatible string to indicate this. Also, at least one of these registers uses the full 32 bits, so we need to specify reg-io-width in addition to reg-shift. "ns16550a" is left in the compatible specification since it does work as long as the bootloader configures the SoC UART power management registers. Signed-off-by: David Lechner --- v2 changes: * None arch/arm/boot/dts/da850.dtsi | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 104155d..f6cd212 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -266,22 +266,25 @@ interrupt-names = "edm3_tcerrint"; }; serial0: serial@42000 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; reg = <0x42000 0x100>; + reg-io-width = <4>; reg-shift = <2>; interrupts = <25>; status = "disabled"; }; serial1: serial@10c000 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; reg = <0x10c000 0x100>; + reg-io-width = <4>; reg-shift = <2>; interrupts = <53>; status = "disabled"; }; serial2: serial@10d000 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; reg = <0x10d000 0x100>; + reg-io-width = <4>; reg-shift = <2>; interrupts = <61>; status = "disabled";