From patchwork Mon Nov 22 13:41:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aswath Govindraju X-Patchwork-Id: 12693344 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 D60CCC433F5 for ; Mon, 22 Nov 2021 13:45:19 +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=SihkFgalJN7pDV91TPobLHNGl+PEStt4OecYpYkeqGY=; b=vtGUTk55nY2tBA Vxo+QM3dhEOI7N7Kc3A4OpqdAW8fSBtgGmjQ4xDHQXteP1F5udpQPrUWJxtBPd1IGH0SL/0ohkycw RxIn1VZR+pJSF2HaABslYPyEqHzHkfVnyZ4hr3RG0dMbNc0ScdpkGLBKSRMEXlxRbAPeSObsJp2zm QQsoCjjUep3XWU/d5duf6I+jcIrReM5c9R1NjwbaPWBFkPWtt7fmEaMuA45HvG+V3iXI0uxwrhJ96 4YuE0TGuvve8E5sxxaeOdDsPUhrqww/2JaI2DeAI57khBYEdZTPwBpunmBtDcDZscG6A9dQesUNYt J4UkplcmJD4l+wipHCdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mp9bm-00GhJS-Vr; Mon, 22 Nov 2021 13:43:47 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mp9ab-00Ggrv-OF for linux-arm-kernel@lists.infradead.org; Mon, 22 Nov 2021 13:42:35 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 1AMDgWbl101506; Mon, 22 Nov 2021 07:42:32 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1637588552; bh=gwmy1g7upSs451Tvms0rbChOLQpMToAcL1SFZbrXNh0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=VrGtK/6MjhvEpbcleg11dFmPK7mavHfGboSMjVuxhGs0cl4Cpb6Q6vhVYD0wvlmom mve3xuRFO54BdDlSZDa3r+JfsvFBAsXaK52cRbHbGpTKJMO7P3e8OLUjtq1M5ludNU KrStlsJoDQL1cXNC0qEUIYSHbsM9NNWld/0E3bSI= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 1AMDgWI7050757 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 22 Nov 2021 07:42:32 -0600 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Mon, 22 Nov 2021 07:42:32 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) 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 15.1.2308.14 via Frontend Transport; Mon, 22 Nov 2021 07:42:32 -0600 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 1AMDg04x023508; Mon, 22 Nov 2021 07:42:29 -0600 From: Aswath Govindraju To: CC: Marc Kleine-Budde , Kishon Vijay Abraham I , Aswath Govindraju , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , , , Subject: [PATCH v5 6/6] arm64: dts: ti: k3-am642-evm/sk: Add support for main domain mcan nodes in EVM and disable them on SK Date: Mon, 22 Nov 2021 19:11:58 +0530 Message-ID: <20211122134159.29936-7-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211122134159.29936-1-a-govindraju@ti.com> References: <20211122134159.29936-1-a-govindraju@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_054233_907469_6987FF3B X-CRM114-Status: GOOD ( 11.07 ) 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 AM642 EVM has two CAN connecters brought out from the two MCAN instances in the main domain through transceivers. Add device tree nodes for transceivers and set the required properties in the mcan device tree nodes, in EVM device tree file. On AM642 SK there are no connectors brought out for CAN. Therefore, disable the mcan device tree nodes in the SK device tree file. Signed-off-by: Aswath Govindraju Reviewed-by: Apurva Nandan --- arch/arm64/boot/dts/ti/k3-am642-evm.dts | 40 +++++++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 8 +++++ 2 files changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index 6726c4c7c28c..e94ae178b1ae 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -184,6 +184,20 @@ }; }; }; + + transceiver1: can-phy0 { + compatible = "ti,tcan1042"; + #phy-cells = <0>; + max-bitrate = <5000000>; + standby-gpios = <&exp1 8 GPIO_ACTIVE_HIGH>; + }; + + transceiver2: can-phy1 { + compatible = "ti,tcan1042"; + #phy-cells = <0>; + max-bitrate = <5000000>; + standby-gpios = <&exp1 9 GPIO_ACTIVE_HIGH>; + }; }; &main_pmx0 { @@ -294,6 +308,20 @@ AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */ >; }; + + main_mcan0_pins_default: main-mcan0-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x0254, PIN_INPUT, 0) /* (B17) MCAN0_RX */ + AM64X_IOPAD(0x0250, PIN_OUTPUT, 0) /* (A17) MCAN0_TX */ + >; + }; + + main_mcan1_pins_default: main-mcan1-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x025c, PIN_INPUT, 0) /* (D17) MCAN1_RX */ + AM64X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (C17) MCAN1_TX */ + >; + }; }; &main_uart0 { @@ -638,3 +666,15 @@ &icssg1_mdio { status = "disabled"; }; + +&main_mcan0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_mcan0_pins_default>; + phys = <&transceiver1>; +}; + +&main_mcan1 { + pinctrl-names = "default"; + pinctrl-0 = <&main_mcan1_pins_default>; + phys = <&transceiver2>; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 6b04745147be..a9785bec12df 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -525,3 +525,11 @@ &icssg1_mdio { status = "disabled"; }; + +&main_mcan0 { + status = "disabled"; +}; + +&main_mcan1 { + status = "disabled"; +};