From patchwork Mon Jan 23 19:06:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13112818 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BF709C05027 for ; Mon, 23 Jan 2023 19:07:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rH/r8ctV508V7E1jVcVAyoz6n7X1hgwKyk8SzlJNhio=; b=n8sVmBxodFy2lW IW5U4JupHEop3ikPbG3wJtyRl5sXp/hlniNQuM1ZON5oSFPY/TEpHTRZy1EiIr0xIkenbhhZii4Uc hPLoVyRnzhKqoeQFiBUwb125516fVoF1GI52j+k9FS2Dm+FoXfi7yeDigeHM/M9NlHl2M/YUe2EzN xOde+y9xULIKyegBudMuqNeTls7BXz6OHfXnu05m1RdLWjrkYcV/fX9/MgJUuE3VesFj0TV6A01LW lxdLsIGf2cWn9z8lSVIiw/oidnk4bDSzgPCsQxgLauoatrqMRZpxshJ0nS96V/U8o/TalknFyObaE 4h+8olEoM8hOtrJHjZHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pK29N-0016I9-Lz; Mon, 23 Jan 2023 19:06:37 +0000 Received: from baptiste.telenet-ops.be ([2a02:1800:120:4::f00:13]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pK29H-0016Fw-GX for linux-arm-kernel@lists.infradead.org; Mon, 23 Jan 2023 19:06:35 +0000 Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed50:6083:1fd7:ba05:ea8d]) by baptiste.telenet-ops.be with bizsmtp id CK6L2900P4604Ck01K6LwW; Mon, 23 Jan 2023 20:06:21 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1pK28y-0076NU-L1; Mon, 23 Jan 2023 20:06:20 +0100 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1pK296-00Ekpu-IJ; Mon, 23 Jan 2023 20:06:20 +0100 From: Geert Uytterhoeven To: Magnus Damm Cc: Wolfram Sang , Ulrich Hecht , linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 1/2] arm64: dts: renesas: r8a779g0: Add CAN-FD node Date: Mon, 23 Jan 2023 20:06:18 +0100 Message-Id: <6c55d0995089917216ee261a8b8cbb980c7b5304.1674500205.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230123_110631_709800_5F316EE3 X-CRM114-Status: GOOD ( 11.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add device nodes for the CAN-FD interface and the related external CAN clock on the Renesas R-Car V4H (R8A779G0) SoC. Based on a patch in the BSP by Kazuya Mizuguch. Signed-off-by: Geert Uytterhoeven --- Changes compared to the BSP: - Add family-specific compatible value, - Correct reg size, - Add missing interrupt-names. --- arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 57 +++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi index 83d1666a2ea16de2..d4cc89e49c68d52e 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi @@ -14,6 +14,13 @@ / { #address-cells = <2>; #size-cells = <2>; + /* 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-table-0 { compatible = "operating-points-v2"; opp-shared; @@ -676,6 +683,56 @@ hscif3: serial@e66a0000 { status = "disabled"; }; + canfd: can@e6660000 { + compatible = "renesas,r8a779g0-canfd", + "renesas,rcar-gen4-canfd"; + reg = <0 0xe6660000 0 0x8500>; + interrupts = , + ; + interrupt-names = "ch_int", "g_int"; + clocks = <&cpg CPG_MOD 328>, + <&cpg CPG_CORE R8A779G0_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A779G0_CLK_CANFD>; + assigned-clock-rates = <80000000>; + power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>; + resets = <&cpg 328>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; + + channel2 { + status = "disabled"; + }; + + channel3 { + status = "disabled"; + }; + + channel4 { + status = "disabled"; + }; + + channel5 { + status = "disabled"; + }; + + channel6 { + status = "disabled"; + }; + + channel7 { + status = "disabled"; + }; + }; + avb0: ethernet@e6800000 { compatible = "renesas,etheravb-r8a779g0", "renesas,etheravb-rcar-gen4";