From patchwork Fri Jun 21 09:11:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 11008899 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3DC9D112C for ; Fri, 21 Jun 2019 09:15:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29520289DA for ; Fri, 21 Jun 2019 09:15:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1DC8E289E5; Fri, 21 Jun 2019 09:15:21 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B10D9289DA for ; Fri, 21 Jun 2019 09:15:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=+YfjAEztr5PTM/Rpf6xEzVX3Az8mS8D7jdAPC+MqEp4=; b=mmVVyMulKhYjnP//o6/Bedtphx qZPPaUurwIIO5jAIxrvpkebUK0KAfAJcCTh/wZ7nnl/h5VFkwFQW/+beRG8v+06rOhK4D4BbYqytP 280EDMBUrWIpkVjsKKf/mr4h0/NXjtMZBT9XRZ83nXHmJDZ1eggAE9G89Z22T11+WbpllAi2MDaiw upSKPYkElj5bZR5HH1HpSrAfZCvyVbOeyuP0bRfhd2KgQt5OcT3sF3UywP825VbsMw2sGq+w6hD7V oQC9qhwzgD0MbxNqDzu+OYTDxK3Ixqkl9HA1J3Z1gNfaK6RLNEc9AMCPbkDqKMkAYiNthxOi/Qddx uG+NfNzw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1heFde-0002IA-Qf; Fri, 21 Jun 2019 09:15:18 +0000 Received: from kirsty.vergenet.net ([202.4.237.240]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1heFaD-00075F-10 for linux-arm-kernel@lists.infradead.org; Fri, 21 Jun 2019 09:11:46 +0000 Received: from reginn.horms.nl (watermunt.horms.nl [80.127.179.77]) by kirsty.vergenet.net (Postfix) with ESMTPA id 1D76C25BE36; Fri, 21 Jun 2019 19:11:23 +1000 (AEST) Received: by reginn.horms.nl (Postfix, from userid 7100) id 2B0D4940C81; Fri, 21 Jun 2019 11:11:19 +0200 (CEST) From: Simon Horman To: linux-renesas-soc@vger.kernel.org Subject: [PATCH 7/9] dt-bindings: can: rcar_canfd: document r8a774c0 support Date: Fri, 21 Jun 2019 11:11:14 +0200 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190621_021145_296312_96BB2100 X-CRM114-Status: GOOD ( 11.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fabrizio Castro , Daniel Lezcano , Magnus Damm , Simon Horman , "David S . Miller" , 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 From: Fabrizio Castro Document the support for rcar_canfd on R8A774C0 SoC devices. Signed-off-by: Fabrizio Castro Reviewed-by: Chris Paterson Reviewed-by: Rob Herring Acked-by: David S. Miller Signed-off-by: Simon Horman --- Documentation/devicetree/bindings/net/can/rcar_canfd.txt | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt index 41049fed5872..32f051f6d338 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt @@ -3,7 +3,8 @@ Renesas R-Car CAN FD controller Device Tree Bindings Required properties: - compatible: Must contain one or more of the following: - - "renesas,rcar-gen3-canfd" for R-Car Gen3 compatible controller. + - "renesas,rcar-gen3-canfd" for R-Car Gen3 and RZ/G2 compatible controllers. + - "renesas,r8a774c0-canfd" for R8A774C0 (RZ/G2E) compatible controller. - "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller. - "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller. - "renesas,r8a77965-canfd" for R8A77965 (R-Car M3-N) compatible controller. @@ -28,12 +29,13 @@ The name of the child nodes are "channel0" and "channel1" respectively. Each child node supports the "status" property only, which is used to enable/disable the respective channel. -Required properties for "renesas,r8a7795-canfd", "renesas,r8a7796-canfd", -"renesas,r8a77965-canfd" and "renesas,r8a77990-canfd" compatible: -In R8A7795, R8A7796, R8A77965 and R8A77990 SoCs, canfd clock is a div6 clock -and can be used by both CAN and CAN FD controller at the same time. It needs -to be scaled to maximum frequency if any of these controllers use it. This is -done using the below properties: +Required properties for "renesas,r8a774c0-canfd", "renesas,r8a7795-canfd", +"renesas,r8a7796-canfd", "renesas,r8a77965-canfd", and "renesas,r8a77990-canfd" +compatible: +In R8A774C0, R8A7795, R8A7796, R8A77965, and R8A77990 SoCs, canfd clock is a +div6 clock and can be used by both CAN and CAN FD controller at the same time. +It needs to be scaled to maximum frequency if any of these controllers use it. +This is done using the below properties: - assigned-clocks: phandle of canfd clock. - assigned-clock-rates: maximum frequency of this clock.