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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24528C001DE for ; Wed, 2 Aug 2023 05:14:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232222AbjHBFON (ORCPT ); Wed, 2 Aug 2023 01:14:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231903AbjHBFOM (ORCPT ); Wed, 2 Aug 2023 01:14:12 -0400 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FDD91736; Tue, 1 Aug 2023 22:14:11 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 3725E3Io018420; Wed, 2 Aug 2023 00:14:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1690953243; bh=n4aigKabrSs75QcXiNTIKIjgLT6W4FsnITVc3fjQhhE=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=QlaksAkPQ/uwx0Umhp4FNNJzOaDCWxjnVePM9l8qqb0npxqyM2FGGP13jlqZnFES7 BElXI59abYvB1RNMRmwHk2CLL0puJU8HBUNsLIrfAPTSsQz2MS0XzCF+4TatP21EUA LpG7Qhqx0VrxqEuZ9hjTDHTjc5N2TR3mKMntm5nM= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 3725E3CE012656 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 2 Aug 2023 00:14:03 -0500 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 2 Aug 2023 00:14:03 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 2 Aug 2023 00:14:03 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 3725E2AN043159; Wed, 2 Aug 2023 00:14:02 -0500 Date: Wed, 2 Aug 2023 00:14:02 -0500 From: Nishanth Menon To: Judith Mendez CC: Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , Subject: Re: [PATCH] arm64: dts: ti: k3-am62a7: Add MCU MCAN nodes Message-ID: <20230802051402.totwmtw2oadqrai7@herself> References: <20230724183844.635319-1-jm@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20230724183844.635319-1-jm@ti.com> X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 13:38-20230724, Judith Mendez wrote: > On AM62ax 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] enabling 3x MCAN > on AM62ax, 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 > --- > arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi > index 04599762c2b7..3fca702e7f2d 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi > @@ -143,4 +143,28 @@ mcu_rti0: watchdog@4880000 { > /* Tightly coupled to M4F */ > status = "reserved"; > }; > + > + mcu_mcan0: can@4e00000 { s/4e00000/4e08000 > + 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@4e10000 { s/4e10000/4e18000 > + 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"; > + }; > }; > -- > 2.34.1 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D