From patchwork Tue Aug 25 13:21:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 11735739 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B86E51751 for ; Tue, 25 Aug 2020 13:42:00 +0000 (UTC) Received: from web01.groups.io (web01.groups.io [66.175.222.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 91E20204EA for ; Tue, 25 Aug 2020 13:42:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=lists.cip-project.org header.i=@lists.cip-project.org header.b="rkqOJJHC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 91E20204EA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bp.renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=bounce+64572+5250+4520428+8129116@lists.cip-project.org X-Received: by 127.0.0.2 with SMTP id eQ7WYY4521763xZmMXdfNMM5; Tue, 25 Aug 2020 06:42:00 -0700 X-Received: from relmlie5.idc.renesas.com (relmlie5.idc.renesas.com []) by mx.groups.io with SMTP id smtpd.web10.13479.1598361721660454951 for ; Tue, 25 Aug 2020 06:22:18 -0700 X-IronPort-AV: E=Sophos;i="5.76,352,1592838000"; d="scan'208";a="55486213" X-Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 25 Aug 2020 22:22:17 +0900 X-Received: from localhost.localdomain (unknown [172.29.51.65]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 6120B400517E; Tue, 25 Aug 2020 22:22:16 +0900 (JST) From: Biju Das To: cip-dev@lists.cip-project.org, Nobuhiro Iwamatsu , Pavel Machek Cc: Chris Paterson , Biju Das , Prabhakar Mahadev Lad Subject: [cip-dev] [PATCH 4.19.y-cip 10/10] arm64: dts: renesas: r8a774e1: Add CAN[FD] support Date: Tue, 25 Aug 2020 14:21:56 +0100 Message-Id: <20200825132156.7839-11-biju.das.jz@bp.renesas.com> In-Reply-To: <20200825132156.7839-1-biju.das.jz@bp.renesas.com> References: <20200825132156.7839-1-biju.das.jz@bp.renesas.com> Precedence: Bulk List-Unsubscribe: Sender: cip-dev@lists.cip-project.org List-Id: Mailing-List: list cip-dev@lists.cip-project.org; contact cip-dev+owner@lists.cip-project.org Delivered-To: mailing list cip-dev@lists.cip-project.org Reply-To: cip-dev@lists.cip-project.org X-Gm-Message-State: MgbT6OzJbhWC9euaK72jRPCux4520428AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.cip-project.org; q=dns/txt; s=20140610; t=1598362920; bh=yvE1+WOuX0/tKdTnAtra9JLsWXFwEFONALnTPSvdgaw=; h=Cc:Content-Type:Date:From:Reply-To:Subject:To; b=rkqOJJHCso8+/LqqoEfGaiXR4HknBSY3aK7kvoXXmOZVpHY/RprxIYCS8LUtu+e0cZM LVw+hShACu3yT2tQ/lH/mJLMRgo5fLautlbPUCUGuRu3IkSkJkAIgcxcV1+4ECAhWBefd 6R3ZITZs8+aTG7SKtXYJ5j4x5HcDhY+Lmdw= From: Lad Prabhakar commit 8e340e7560d1d4db3b7ed5c010d3460de8ff0c1e upstream. Add CAN[01] and CANFD support to RZ/G2H (R8A774E1) SoC specific dtsi. Signed-off-by: Lad Prabhakar Reviewed-by: Marian-Cristian Rotariu Link: https://lore.kernel.org/r/1594811350-14066-21-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r8a774e1.dtsi | 56 +++++++++++++++++++++-- 1 file changed, 53 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi index c4f12544703d..af090cd90f5d 100644 --- a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi @@ -34,6 +34,13 @@ clock-frequency = <0>; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + cluster0_opp: opp_table0 { compatible = "operating-points-v2"; opp-shared; @@ -941,17 +948,60 @@ }; can0: can@e6c30000 { + compatible = "renesas,can-r8a774e1", + "renesas,rcar-gen3-can"; reg = <0 0xe6c30000 0 0x1000>; + interrupts = ; + clocks = <&cpg CPG_MOD 916>, + <&cpg CPG_CORE R8A774E1_CLK_CANFD>, + <&can_clk>; + clock-names = "clkp1", "clkp2", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774E1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>; + resets = <&cpg 916>; status = "disabled"; - - /* placeholder */ }; can1: can@e6c38000 { + compatible = "renesas,can-r8a774e1", + "renesas,rcar-gen3-can"; reg = <0 0xe6c38000 0 0x1000>; + interrupts = ; + clocks = <&cpg CPG_MOD 915>, + <&cpg CPG_CORE R8A774E1_CLK_CANFD>, + <&can_clk>; + clock-names = "clkp1", "clkp2", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774E1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>; + resets = <&cpg 915>; status = "disabled"; + }; - /* placeholder */ + canfd: can@e66c0000 { + compatible = "renesas,r8a774e1-canfd", + "renesas,rcar-gen3-canfd"; + reg = <0 0xe66c0000 0 0x8000>; + interrupts = , + ; + clocks = <&cpg CPG_MOD 914>, + <&cpg CPG_CORE R8A774E1_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774E1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>; + resets = <&cpg 914>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; }; pwm0: pwm@e6e30000 {