From patchwork Wed Aug 2 07:36:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 13337771 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 283C8C001DE for ; Wed, 2 Aug 2023 07:37:15 +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=yTueubM9e0aQQwIi4XfBoBYRO7jmUgMi/We+szOJV6I=; b=4dcsHcelEx6nat /ter2JX7QGLmJM734M8Tfg90bxETDI8e6qvds2sEryiXZiPKIRNOfQlBLDXryNvDXDoRXTBqAg5j2 3/lnElFOcma4wvBe05DQtLJ7ipPua9CnGlx5vgM19vfRLWnCC8tvDk38Zy+t50yFB5/lJk4h323HW S/bWF/sjR7o3jtLK7nuaPaAh+IdxNTrouCfKXBBMq1DKDsmvG4YvnUFesVl0/gOEmcwyXmdbDUop/ cJJugzZaZVBpAfkyNhQM96RMQDNRlbn0xrXkYI/MM4PEcnFcJtXwDB6r9WuobVZFa7piXry9ltjBp ESZW/J3wWu/2xTz6tf8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qR6PZ-004GO8-3A; Wed, 02 Aug 2023 07:36:49 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qR6PX-004GL3-0M for linux-arm-kernel@lists.infradead.org; Wed, 02 Aug 2023 07:36:49 +0000 Received: from francesco-nb.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id AFF8F1F83F; Wed, 2 Aug 2023 09:36:39 +0200 (CEST) From: Francesco Dolcini To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Judith Mendez , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Francesco Dolcini Subject: [PATCH v2 1/2] arm64: dts: ti: k3-am62: Add MCU MCAN nodes Date: Wed, 2 Aug 2023 09:36:34 +0200 Message-Id: <20230802073635.11290-2-francesco@dolcini.it> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230802073635.11290-1-francesco@dolcini.it> References: <20230802073635.11290-1-francesco@dolcini.it> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230802_003647_316745_109A6384 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. 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 From: Judith Mendez On AM62x there are no hardware interrupts routed to A53 GIC interrupt controller for MCU MCAN IPs, so MCU MCAN nodes were omitted from MCU dtsi. Timer polling was introduced in commits [1][2] so now add MCU MCAN nodes to the MCU dtsi for the Cortex A53. [1] commit b382380c0d2d ("can: m_can: Add hrtimer to generate software interrupt") [2] commit bb410c03b999 ("dt-bindings: net: can: Remove interrupt properties for MCAN") Signed-off-by: Judith Mendez [fd: fixed labels to match datasheet numbering, revised commit message, fixed reg/reg-names order] Signed-off-by: Francesco Dolcini --- v1..v2: - fixed can node name - added commit prefix before sha in commit message --- arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi index 19fc38157d94..80a3e1db26a9 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi @@ -147,4 +147,28 @@ mcu_rti0: watchdog@4880000 { /* Tightly coupled to M4F */ status = "reserved"; }; + + mcu_mcan0: can@4e08000 { + compatible = "bosch,m_can"; + reg = <0x00 0x4e08000 0x00 0x200>, + <0x00 0x4e00000 0x00 0x8000>; + reg-names = "m_can", "message_ram"; + power-domains = <&k3_pds 188 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 188 6>, <&k3_clks 188 1>; + clock-names = "hclk", "cclk"; + bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>; + status = "disabled"; + }; + + mcu_mcan1: can@4e18000 { + compatible = "bosch,m_can"; + reg = <0x00 0x4e18000 0x00 0x200>, + <0x00 0x4e10000 0x00 0x8000>; + reg-names = "m_can", "message_ram"; + power-domains = <&k3_pds 189 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 189 6>, <&k3_clks 189 1>; + clock-names = "hclk", "cclk"; + bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>; + status = "disabled"; + }; };