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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ne29-20020a1709077b9d00b0086bd195adc0si37173007ejc.66.2023.01.23.02.03.04; Mon, 23 Jan 2023 02:03:27 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=BOPSp5M7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231576AbjAWJ6T (ORCPT + 99 others); Mon, 23 Jan 2023 04:58:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231617AbjAWJ6J (ORCPT ); Mon, 23 Jan 2023 04:58:09 -0500 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E0749EE3; Mon, 23 Jan 2023 01:58:05 -0800 (PST) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 30N9vtBB130967; Mon, 23 Jan 2023 03:57:55 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1674467875; bh=bhx+hyFSTbqOXbu7NQN7IRERm5uPT6DUD27tkp/qqQE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=BOPSp5M7CW+XNaURNN+1zLJuaGYqi3DuCvfLtfM9YjGphuKlLTvbQzAJEUNR+CYsd DGtCQPF0/SpQMXUGI69saC8GzSTxlpgEkzIDBBHigeAg0OaIhiTOBm8SD1Ja/xsrpA /C3LsJ3R1tTBtWxwlfKquNk1Gzn6g58zCwLFP5nI= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 30N9vt9M127485 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 23 Jan 2023 03:57:55 -0600 Received: from DLEE101.ent.ti.com (157.170.170.31) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Mon, 23 Jan 2023 03:57:54 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE101.ent.ti.com (157.170.170.31) 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; Mon, 23 Jan 2023 03:57:54 -0600 Received: from uda0500640.dal.design.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 30N9vXfU034627; Mon, 23 Jan 2023 03:57:51 -0600 From: Ravi Gunasekaran To: , , , , , , , CC: , , Subject: [PATCH v8 5/8] arm64: dts: ti: k3-j721s2-common-proc-board: Add USB support Date: Mon, 23 Jan 2023 15:27:30 +0530 Message-ID: <20230123095733.31657-6-r-gunasekaran@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230123095733.31657-1-r-gunasekaran@ti.com> References: <20230123095733.31657-1-r-gunasekaran@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755807175196621745?= X-GMAIL-MSGID: =?utf-8?q?1755807175196621745?= From: Aswath Govindraju The board uses lane 1 of SERDES for USB. Set the mux accordingly. The USB controller and EVM supports super-speed for USB0 on the Type-C port. However, the SERDES has a limitation that upto 2 protocols can be used at a time. The SERDES is wired for PCIe, eDP and USB super-speed. It has been chosen to use PCIe and eDP as default. So restrict USB0 to high-speed mode. Reviewed-by: Ravi Gunasekaran Signed-off-by: Aswath Govindraju Signed-off-by: Matt Ranostay Link: https://lore.kernel.org/r/20221122101616.770050-6-mranostay@ti.com Signed-off-by: Ravi Gunasekaran --- .../dts/ti/k3-j721s2-common-proc-board.dts | 22 +++++++++++++++++++ 1 file changed, 22 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 c3a397484c70..c787d46f89de 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 @@ -147,6 +147,12 @@ J721S2_IOPAD(0x020, PIN_INPUT, 7) /* (AA23) MCAN15_RX.GPIO0_8 */ >; }; + + main_usbss0_pins_default: main-usbss0-pins-default { + pinctrl-single,pins = < + J721S2_IOPAD(0x0ec, PIN_OUTPUT, 6) /* (AG25) TIMER_IO1.USB0_DRVVBUS */ + >; + }; }; &wkup_pmx0 { @@ -318,6 +324,22 @@ }; }; +&usb_serdes_mux { + idle-states = <1>; /* USB0 to SERDES lane 1 */ +}; + +&usbss0 { + pinctrl-0 = <&main_usbss0_pins_default>; + pinctrl-names = "default"; + ti,vbus-divider; + ti,usb2-only; +}; + +&usb0 { + dr_mode = "otg"; + maximum-speed = "high-speed"; +}; + &mcu_mcan0 { status = "okay"; pinctrl-names = "default";