From patchwork Wed Jan 4 20:30:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 9497933 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 82859606DD 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 7825328339 for ; Wed, 4 Jan 2017 22:10:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6CD482832D; 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=unavailable 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 2CBE82831B 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 1cOtkI-0003nO-Lx; Wed, 04 Jan 2017 22:09:22 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cOtjz-0003Q7-5k for linux-arm-kernel@bombadil.infradead.org; Wed, 04 Jan 2017 22:09:03 +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 1cOsEC-0001Vc-GG for linux-arm-kernel@lists.infradead.org; Wed, 04 Jan 2017 20:32:08 +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=za3B5yyaqs9MM9sVK+lwFQUOne4JFJkucLbIZbm18Qs=; b=FwNbl19ZmTF7wtsDBLXMe2Klz zbAVpLL8BBXwJGFzZRVmEJfxccX1u78ts1KFz+EEqAtplHVxYn+C62E37KDb28H8QgY4qg9/eEHwp v8tvuO/85y4Lg++8v4/UoU6uLN5iie5kCmTrdXjP+2GlYquGkJLbq/UXVhvyM16TMq32A+v+lEpQ1 2DRN2tpwyE186i1JtQwRqeUXYauZq4lDyK1HSuAUwL5W/DYa3ITyKg1ChaKcXwx+MeKUoTgVuwpUy m2fFiOmr4hPDyquy/9NFBRuBNCCeVDlLXxLS8AhObHYAcisr4HgBp6P3i+zaPtcKK/u1KlK9ITWKw pewrsgcZw==; 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 1cOsCg-000LpY-Nl; Wed, 04 Jan 2017 15:30:34 -0500 From: David Lechner To: Greg Kroah-Hartman , Sekhar Nori , Santosh Shilimkar Subject: [PATCH v2 4/4] ARM: dts: keystone: Add "ti, da830-uart" compatible string Date: Wed, 4 Jan 2017 14:30:14 -0600 Message-Id: <1483561814-21953-5-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_153208_599053_BC8BD51A X-CRM114-Status: GOOD ( 10.52 ) 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 The TI Keystone 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: * This is a new patch in v2 arch/arm/boot/dts/keystone-k2g.dtsi | 2 +- arch/arm/boot/dts/keystone-k2l.dtsi | 4 ++-- arch/arm/boot/dts/keystone.dtsi | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi index 63c7cf0c..7d7b9a8 100644 --- a/arch/arm/boot/dts/keystone-k2g.dtsi +++ b/arch/arm/boot/dts/keystone-k2g.dtsi @@ -90,7 +90,7 @@ }; uart0: serial@02530c00 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; diff --git a/arch/arm/boot/dts/keystone-k2l.dtsi b/arch/arm/boot/dts/keystone-k2l.dtsi index 0c5e74e..e91633f 100644 --- a/arch/arm/boot/dts/keystone-k2l.dtsi +++ b/arch/arm/boot/dts/keystone-k2l.dtsi @@ -35,7 +35,7 @@ /include/ "keystone-k2l-clocks.dtsi" uart2: serial@02348400 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; @@ -45,7 +45,7 @@ }; uart3: serial@02348800 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index 02708ba..9152610 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -98,7 +98,7 @@ /include/ "keystone-clocks.dtsi" uart0: serial@02530c00 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; @@ -108,7 +108,7 @@ }; uart1: serial@02531000 { - compatible = "ns16550a"; + compatible = "ti,da830-uart", "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>;