From patchwork Wed Apr 12 08:49:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhavya Kapoor X-Patchwork-Id: 13208659 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 E984AC77B6E for ; Wed, 12 Apr 2023 08:50:44 +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: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:In-Reply-To:References: List-Owner; bh=WalAifvCVp7ukRg7BUisMBP0yApDFCV+WQ6ACQkH5T8=; b=ksE8xjKPE/YCFZ dQnDKE1m7P4pxw+bWPOu1RManOBfjxyCKmTGBM/fAXxkjNq33ZczjFZzqN3uB6PW0NqL2WH+Ez4pH exHyd4gvmVIFXXeQuy63QdNL5pl1xS8dxzWYU00wBFqIGmAHqjq/08O5Oecob/9PUPFpSr9UPWlL8 RP5U1LZxFiI9HZvgoLYRFFGlkGvThG8CGvImJM47CHMD+GpoAunYQqnIvnGVEg1RQzOJ3yHBNN8c2 4bMjAfKAOTi3lOv0LDWYGXx/jshmDS5i8LflT47d3qCGTvHOhKWVadVfGIns/9AOsRZ4sT7SfsAiR K9S7h9LJb9Hm1u8wmiKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pmWAt-002JZR-0H; Wed, 12 Apr 2023 08:49:55 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pmWAq-002JXy-0l for linux-arm-kernel@lists.infradead.org; Wed, 12 Apr 2023 08:49:53 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 33C8nbgf024977; Wed, 12 Apr 2023 03:49:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1681289377; bh=jbvGTc2zQFGXJn4sFTD++tPXW6H86WKnMQp0kwWWGkY=; h=From:To:CC:Subject:Date; b=MAdTE5VhAzc1HAnR7FtS4/v5Y6Uc75HNToRQTJsbnxjGnrHmdj33119LEv2Valk45 Vkezo+ns1FtWqUl4h/EfBD3zqSBVjmzbgfr/937wp1IvFRdgzSZ/yiRfc5Q8XFWxp/ aoKqZRqfEq24pyfVbggJQeEucV8YLjPgqYwV4jvQ= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 33C8nbRP004958 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 12 Apr 2023 03:49:37 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 12 Apr 2023 03:49:37 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 12 Apr 2023 03:49:37 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 33C8naHk118305; Wed, 12 Apr 2023 03:49:36 -0500 From: Bhavya Kapoor To: , CC: , , , , , , , Subject: [PATCH] arm64: dts: ti: k3-j721s2: Add support for CAN instances 3 and 5 in main domain Date: Wed, 12 Apr 2023 14:19:35 +0530 Message-ID: <20230412084935.699791-1-b-kapoor@ti.com> X-Mailer: git-send-email 2.34.1 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-20230412_014952_351866_E57E82DC X-CRM114-Status: GOOD ( 13.11 ) 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 CAN instances 3 and 5 in the main domain are brought on the common processor board through header J27 and J28. The CAN High and Low lines from the SoC are routed through a mux on the SoM. The select lines need to be set for the CAN signals to get connected to the transceivers on the common processor board. Threfore, add respective mux, transceiver dt nodes to add support for these CAN instances. Signed-off-by: Bhavya Kapoor --- .../dts/ti/k3-j721s2-common-proc-board.dts | 46 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 12 +++++ 2 files changed, 58 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts index a7aa6cf08acd..f07663bbea16 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts @@ -27,6 +27,8 @@ aliases { can0 = &main_mcan16; can1 = &mcu_mcan0; can2 = &mcu_mcan1; + can3 = &main_mcan3; + can4 = &main_mcan5; }; evm_12v0: fixedregulator-evm12v0 { @@ -107,6 +109,22 @@ transceiver2: can-phy2 { standby-gpios = <&wkup_gpio0 2 GPIO_ACTIVE_HIGH>; }; + transceiver3: can-phy3 { + compatible = "ti,tcan1043"; + #phy-cells = <0>; + max-bitrate = <5000000>; + standby-gpios = <&exp2 7 GPIO_ACTIVE_LOW>; + enable-gpios = <&exp2 6 GPIO_ACTIVE_HIGH>; + mux-states = <&mux0 1>; + }; + + transceiver4: can-phy4 { + compatible = "ti,tcan1042"; + #phy-cells = <0>; + max-bitrate = <5000000>; + standby-gpios = <&exp_som 7 GPIO_ACTIVE_HIGH>; + mux-states = <&mux1 1>; + }; }; &main_pmx0 { @@ -144,6 +162,20 @@ vdd_sd_dv_pins_default: vdd-sd-dv-pins-default { J721S2_IOPAD(0x020, PIN_INPUT, 7) /* (AA23) MCAN15_RX.GPIO0_8 */ >; }; + + main_mcan3_pins_default: main-mcan3-pins-default { + pinctrl-single,pins = < + J721S2_IOPAD(0x080, PIN_INPUT, 0) /* (U26) MCASP0_AXR4.MCAN3_RX */ + J721S2_IOPAD(0x07c, PIN_OUTPUT, 0) /* (T27) MCASP0_AXR3.MCAN3_TX */ + >; + }; + + main_mcan5_pins_default: main-mcan5-pins-default { + pinctrl-single,pins = < + J721S2_IOPAD(0x03c, PIN_INPUT, 0) /* (U27) MCASP0_AFSX.MCAN5_RX */ + J721S2_IOPAD(0x038, PIN_OUTPUT, 0) /* (AB28) MCASP0_ACLKX.MCAN5_TX */ + >; + }; }; &wkup_pmx0 { @@ -309,3 +341,17 @@ &mcu_mcan1 { pinctrl-0 = <&mcu_mcan1_pins_default>; phys = <&transceiver2>; }; + +&main_mcan3 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_mcan3_pins_default>; + phys = <&transceiver3>; +}; + +&main_mcan5 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_mcan5_pins_default>; + phys = <&transceiver4>; +}; diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi index 6930efff8a5a..0b9926a64382 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi @@ -31,6 +31,18 @@ secure_ddr: optee@9e800000 { }; }; + mux0: mux-controller0 { + compatible = "gpio-mux"; + #mux-state-cells = <1>; + mux-gpios = <&exp_som 1 GPIO_ACTIVE_HIGH>; + }; + + mux1: mux-controller1 { + compatible = "gpio-mux"; + #mux-state-cells = <1>; + mux-gpios = <&exp_som 2 GPIO_ACTIVE_HIGH>; + }; + transceiver0: can-phy0 { /* standby pin has been grounded by default */ compatible = "ti,tcan1042";