From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44608C388F9 for ; Fri, 30 Oct 2020 13:38:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEA652076E for ; Fri, 30 Oct 2020 13:38:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="jsJDtX/K" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726634AbgJ3Nio (ORCPT ); Fri, 30 Oct 2020 09:38:44 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:10707 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726078AbgJ3Nio (ORCPT ); Fri, 30 Oct 2020 09:38:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1604065123; x=1635601123; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=IxdkBu5jTcomoURsb4SHx7WCHZYkGuK7HHSOhFB2S+k=; b=jsJDtX/KuFlLITPXNtIkStNoVoUuchiqkRA0HGu1NlQGCMJMsPwJraFS IDlkJNXsXJLNxrlPVaTgrvQLqcJqHrHVca7Io7s62QfFQrv52fO20bHNG PbVL82gsQ+g0EINR2wMxY6xMmEtldh840VAio7c/ONsHOv+oV67971Jh2 sM2t+YlrGYf/DbhM4Lei3JEjOQN4hOo6wKgorqSsxcU2FPxCHc1EBr2ek J3i8TTtCQxVyBtnjdoipJUa1L/nM2NpauW2hQGke9149wcXSiNAESes6U 8KHc+dU7Q9yRBTUYojlHAFu1rqBFzCX0Lt2Iqo9njVuHX06hkvbS0p+fA A==; IronPort-SDR: s+AKAcN1E+8pi9hSSUAyTTlkP3JlkDBwTBEBHAD9LFR6gBmJ8nPNFfpZpt7IMY0ZjnjiDvEzrm y4lTIKDarunsvcXTv0qUjwc5UkoDGFCl5LZrLt78O8vwsXbp/r82j4Nwz5HOmwOyfqeNYwGIQW ljYm0iWVB/STo8AsNRI+NuKoUeD/TlX67CM/6qAYzvU4u7N8uXauqdzOHC+iPzKqreQZtJSYxv gTHU1xTQff9lmU+JCO6npgzyMukNwberoURQddUqNQwPQT/rxGyz/JlXENPNKztK5Z5lwhdzgN O/0= X-IronPort-AV: E=Sophos;i="5.77,433,1596524400"; d="scan'208";a="97200776" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 30 Oct 2020 06:38:43 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Fri, 30 Oct 2020 06:38:42 -0700 Received: from [10.171.246.60] (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Fri, 30 Oct 2020 06:38:39 -0700 Subject: Re: [PATCH] ARM: dts: at91: add serial MFD sub-node for usart To: Codrin Ciubotariu , , , , Richard Genoud , Lee Jones CC: , References: <20201030110702.886638-1-codrin.ciubotariu@microchip.com> From: Nicolas Ferre Organization: microchip Message-ID: Date: Fri, 30 Oct 2020 14:38:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201030110702.886638-1-codrin.ciubotariu@microchip.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/10/2020 at 12:07, Codrin Ciubotariu wrote: > The "atmel,at91sam9260-usart" driver is a MFD driver, so it needs sub-nodes > to match the registered platform device. For this reason, we add a serial > subnode to all the "atmel,at91sam9260-usart" serial compatible nods. This > will also remove the boot warning: > "atmel_usart_serial: Failed to locate of_node [id: -2]" I don't remember this warning was raised previously even if the MFD driver was added a while ago (Sept. 2018). I would say it's due to 466a62d7642f ("mfd: core: Make a best effort attempt to match devices with the correct of_nodes") which was added on mid August and corrected with 22380b65dc70 ("mfd: mfd-core: Ensure disabled devices are ignored without error") but maybe not covering our case. So, well, I don't know what's the best option to this change. Moreover, I would say that all other USART related properties go into the child not if there is a need for one. Lee, I suspect that we're not the only ones experiencing this ugly warning during the boot log: can you point us out how to deal with it for our existing atmel_serial.c users? Best regards, Nicolas > Signed-off-by: Codrin Ciubotariu > --- > arch/arm/boot/dts/at91-sam9x60ek.dts | 3 +++ > arch/arm/boot/dts/at91rm9200.dtsi | 15 ++++++++++++ > arch/arm/boot/dts/at91sam9261.dtsi | 12 ++++++++++ > arch/arm/boot/dts/at91sam9261ek.dts | 3 +++ > arch/arm/boot/dts/at91sam9263.dtsi | 12 ++++++++++ > arch/arm/boot/dts/at91sam9g45.dtsi | 15 ++++++++++++ > arch/arm/boot/dts/at91sam9n12.dtsi | 15 ++++++++++++ > arch/arm/boot/dts/at91sam9rl.dtsi | 15 ++++++++++++ > arch/arm/boot/dts/at91sam9x5.dtsi | 18 ++++++++++++++ > arch/arm/boot/dts/at91sam9x5_usart3.dtsi | 3 +++ > arch/arm/boot/dts/sam9x60.dtsi | 3 +++ > arch/arm/boot/dts/sama5d2.dtsi | 30 ++++++++++++++++++++++++ > arch/arm/boot/dts/sama5d3.dtsi | 18 ++++++++++++++ > arch/arm/boot/dts/sama5d3_uart.dtsi | 6 +++++ > arch/arm/boot/dts/sama5d4.dtsi | 30 ++++++++++++++++++++++++ > 15 files changed, 198 insertions(+) > > diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts > index eae28b82c7fd..e317531f7363 100644 > --- a/arch/arm/boot/dts/at91-sam9x60ek.dts > +++ b/arch/arm/boot/dts/at91-sam9x60ek.dts > @@ -280,6 +280,9 @@ AT91_XDMAC_DT_PERID(10))>, > atmel,use-dma-rx; > atmel,use-dma-tx; > status = "okay"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > }; > > diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi > index d1181ead18e5..2abb646f6b68 100644 > --- a/arch/arm/boot/dts/at91rm9200.dtsi > +++ b/arch/arm/boot/dts/at91rm9200.dtsi > @@ -602,6 +602,9 @@ dbgu: serial@fffff200 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart0: serial@fffc0000 { > @@ -615,6 +618,9 @@ usart0: serial@fffc0000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 6>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@fffc4000 { > @@ -628,6 +634,9 @@ usart1: serial@fffc4000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@fffc8000 { > @@ -641,6 +650,9 @@ usart2: serial@fffc8000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart3: serial@fffcc000 { > @@ -654,6 +666,9 @@ usart3: serial@fffcc000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 9>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usb1: gadget@fffb0000 { > diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi > index 7adc36ca8a46..e9602378f92c 100644 > --- a/arch/arm/boot/dts/at91sam9261.dtsi > +++ b/arch/arm/boot/dts/at91sam9261.dtsi > @@ -187,6 +187,9 @@ usart0: serial@fffb0000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 6>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@fffb4000 { > @@ -200,6 +203,9 @@ usart1: serial@fffb4000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@fffb8000{ > @@ -213,6 +219,9 @@ usart2: serial@fffb8000{ > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > ssc0: ssc@fffbc000 { > @@ -307,6 +316,9 @@ dbgu: serial@fffff200 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > pinctrl@fffff400 { > diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts > index beed819609e8..fae5d408268d 100644 > --- a/arch/arm/boot/dts/at91sam9261ek.dts > +++ b/arch/arm/boot/dts/at91sam9261ek.dts > @@ -176,6 +176,9 @@ tsc2046@2 { > > dbgu: serial@fffff200 { > status = "okay"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > watchdog@fffffd40 { > diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi > index fe45d96239c9..e4d370b582c8 100644 > --- a/arch/arm/boot/dts/at91sam9263.dtsi > +++ b/arch/arm/boot/dts/at91sam9263.dtsi > @@ -546,6 +546,9 @@ dbgu: serial@ffffee00 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart0: serial@fff8c000 { > @@ -559,6 +562,9 @@ usart0: serial@fff8c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@fff90000 { > @@ -572,6 +578,9 @@ usart1: serial@fff90000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@fff94000 { > @@ -585,6 +594,9 @@ usart2: serial@fff94000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 9>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > ssc0: ssc@fff98000 { > diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi > index 19fc748a87c5..8aad026f10ec 100644 > --- a/arch/arm/boot/dts/at91sam9g45.dtsi > +++ b/arch/arm/boot/dts/at91sam9g45.dtsi > @@ -682,6 +682,9 @@ dbgu: serial@ffffee00 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart0: serial@fff8c000 { > @@ -695,6 +698,9 @@ usart0: serial@fff8c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@fff90000 { > @@ -708,6 +714,9 @@ usart1: serial@fff90000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@fff94000 { > @@ -721,6 +730,9 @@ usart2: serial@fff94000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 9>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart3: serial@fff98000 { > @@ -734,6 +746,9 @@ usart3: serial@fff98000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 10>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > macb0: ethernet@fffbc000 { > diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi > index 0785389f5507..f83d1a313edf 100644 > --- a/arch/arm/boot/dts/at91sam9n12.dtsi > +++ b/arch/arm/boot/dts/at91sam9n12.dtsi > @@ -599,6 +599,9 @@ dbgu: serial@fffff200 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > ssc0: ssc@f0010000 { > @@ -624,6 +627,9 @@ usart0: serial@f801c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 5>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@f8020000 { > @@ -635,6 +641,9 @@ usart1: serial@f8020000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 6>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@f8024000 { > @@ -646,6 +655,9 @@ usart2: serial@f8024000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart3: serial@f8028000 { > @@ -657,6 +669,9 @@ usart3: serial@f8028000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > i2c0: i2c@f8010000 { > diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi > index 5653e70c84b4..5480b6542c6a 100644 > --- a/arch/arm/boot/dts/at91sam9rl.dtsi > +++ b/arch/arm/boot/dts/at91sam9rl.dtsi > @@ -183,6 +183,9 @@ usart0: serial@fffb0000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 6>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@fffb4000 { > @@ -196,6 +199,9 @@ usart1: serial@fffb4000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@fffb8000 { > @@ -209,6 +215,9 @@ usart2: serial@fffb8000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart3: serial@fffbc000 { > @@ -222,6 +231,9 @@ usart3: serial@fffbc000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 9>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > ssc0: ssc@fffc0000 { > @@ -353,6 +365,9 @@ dbgu: serial@fffff200 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > pinctrl@fffff400 { > diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi > index 4cdb05079cc7..52aa49b007d1 100644 > --- a/arch/arm/boot/dts/at91sam9x5.dtsi > +++ b/arch/arm/boot/dts/at91sam9x5.dtsi > @@ -683,6 +683,9 @@ dbgu: serial@fffff200 { > clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart0: serial@f801c000 { > @@ -697,6 +700,9 @@ usart0: serial@f801c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 5>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@f8020000 { > @@ -711,6 +717,9 @@ usart1: serial@f8020000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 6>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@f8024000 { > @@ -725,6 +734,9 @@ usart2: serial@f8024000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > i2c0: i2c@f8010000 { > @@ -781,6 +793,9 @@ uart0: serial@f8040000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 15>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > uart1: serial@f8044000 { > @@ -792,6 +807,9 @@ uart1: serial@f8044000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 16>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > adc0: adc@f804c000 { > diff --git a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi > index 098d3fef5c37..a80593188ac1 100644 > --- a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi > +++ b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi > @@ -53,6 +53,9 @@ usart3: serial@f8028000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > }; > }; > diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi > index 84066c1298df..ab4d80134d86 100644 > --- a/arch/arm/boot/dts/sam9x60.dtsi > +++ b/arch/arm/boot/dts/sam9x60.dtsi > @@ -598,6 +598,9 @@ AT91_XDMAC_DT_PERID(28))>, > clocks = <&pmc PMC_TYPE_PERIPHERAL 47>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > pinctrl: pinctrl@fffff400 { > diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi > index 2ddc85dff8ce..26f231147d21 100644 > --- a/arch/arm/boot/dts/sama5d2.dtsi > +++ b/arch/arm/boot/dts/sama5d2.dtsi > @@ -444,6 +444,9 @@ AT91_XDMAC_DT_PERID(35))>, > clocks = <&pmc PMC_TYPE_PERIPHERAL 24>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > uart1: serial@f8020000 { > @@ -460,6 +463,9 @@ AT91_XDMAC_DT_PERID(37))>, > clocks = <&pmc PMC_TYPE_PERIPHERAL 25>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > uart2: serial@f8024000 { > @@ -476,6 +482,9 @@ AT91_XDMAC_DT_PERID(39))>, > clocks = <&pmc PMC_TYPE_PERIPHERAL 26>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > i2c0: i2c@f8028000 { > @@ -536,6 +545,9 @@ AT91_XDMAC_DT_PER_IF(1) | > dma-names = "tx", "rx"; > atmel,fifo-size = <32>; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi2: spi@400 { > @@ -606,6 +618,9 @@ AT91_XDMAC_DT_PER_IF(1) | > dma-names = "tx", "rx"; > atmel,fifo-size = <32>; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi3: spi@400 { > @@ -771,6 +786,9 @@ AT91_XDMAC_DT_PERID(41))>, > clocks = <&pmc PMC_TYPE_PERIPHERAL 27>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > uart4: serial@fc00c000 { > @@ -787,6 +805,9 @@ AT91_XDMAC_DT_PERID(43))>, > clocks = <&pmc PMC_TYPE_PERIPHERAL 28>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > flx2: flexcom@fc010000 { > @@ -815,6 +836,9 @@ AT91_XDMAC_DT_PER_IF(1) | > dma-names = "tx", "rx"; > atmel,fifo-size = <32>; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi4: spi@400 { > @@ -885,6 +909,9 @@ AT91_XDMAC_DT_PER_IF(1) | > dma-names = "tx", "rx"; > atmel,fifo-size = <32>; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi5: spi@400 { > @@ -956,6 +983,9 @@ AT91_XDMAC_DT_PER_IF(1) | > dma-names = "tx", "rx"; > atmel,fifo-size = <32>; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi6: spi@400 { > diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi > index 86137f8d2b45..1791de52d1c3 100644 > --- a/arch/arm/boot/dts/sama5d3.dtsi > +++ b/arch/arm/boot/dts/sama5d3.dtsi > @@ -203,6 +203,9 @@ usart0: serial@f001c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 12>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@f0020000 { > @@ -217,6 +220,9 @@ usart1: serial@f0020000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 13>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > uart0: serial@f0024000 { > @@ -228,6 +234,9 @@ uart0: serial@f0024000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 16>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > pwm0: pwm@f002c000 { > @@ -389,6 +398,9 @@ usart2: serial@f8020000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 14>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart3: serial@f8024000 { > @@ -403,6 +415,9 @@ usart3: serial@f8024000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 15>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > sha@f8034000 { > @@ -497,6 +512,9 @@ dbgu: serial@ffffee00 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 2>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > aic: interrupt-controller@fffff000 { > diff --git a/arch/arm/boot/dts/sama5d3_uart.dtsi b/arch/arm/boot/dts/sama5d3_uart.dtsi > index a3eaba995cf4..b9f83b771a09 100644 > --- a/arch/arm/boot/dts/sama5d3_uart.dtsi > +++ b/arch/arm/boot/dts/sama5d3_uart.dtsi > @@ -45,6 +45,9 @@ uart0: serial@f0024000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 16>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > uart1: serial@f8028000 { > @@ -56,6 +59,9 @@ uart1: serial@f8028000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 17>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > }; > }; > diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi > index 04f24cf752d3..0627fa8cdaf4 100644 > --- a/arch/arm/boot/dts/sama5d4.dtsi > +++ b/arch/arm/boot/dts/sama5d4.dtsi > @@ -284,6 +284,9 @@ uart0: serial@f8004000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 27>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > ssc0: ssc@f8008000 { > @@ -443,6 +446,9 @@ usart0: serial@f802c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 6>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart1: serial@f8030000 { > @@ -461,6 +467,9 @@ usart1: serial@f8030000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 7>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > mmc1: mmc@fc000000 { > @@ -496,6 +505,9 @@ uart1: serial@fc004000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 28>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart2: serial@fc008000 { > @@ -514,6 +526,9 @@ usart2: serial@fc008000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 29>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart3: serial@fc00c000 { > @@ -532,6 +547,9 @@ usart3: serial@fc00c000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 30>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > usart4: serial@fc010000 { > @@ -550,6 +568,9 @@ usart4: serial@fc010000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 31>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > ssc1: ssc@fc014000 { > @@ -568,6 +589,9 @@ ssc1: ssc@fc014000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 49>; > clock-names = "pclk"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi1: spi@fc018000 { > @@ -588,6 +612,9 @@ spi1: spi@fc018000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 38>; > clock-names = "spi_clk"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > spi2: spi@fc01c000 { > @@ -794,6 +821,9 @@ dbgu: serial@fc069000 { > clocks = <&pmc PMC_TYPE_PERIPHERAL 45>; > clock-names = "usart"; > status = "disabled"; > + serial { > + compatible = "atmel,at91rm9200-usart-serial"; > + }; > }; > > > -- Nicolas Ferre