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 X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A947C433E3 for ; Tue, 30 Mar 2021 09:15:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76AF361990 for ; Tue, 30 Mar 2021 09:15:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231665AbhC3JOq (ORCPT ); Tue, 30 Mar 2021 05:14:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231549AbhC3JOc (ORCPT ); Tue, 30 Mar 2021 05:14:32 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19376C061765; Tue, 30 Mar 2021 02:14:32 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id j7so15518454wrd.1; Tue, 30 Mar 2021 02:14:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DkyoH8DdUwp+B1Rx/yzwIrC4PSW0Djv+hDyEsHmurrg=; b=NZnza3aX7Tefw8Gl8bfiYgYmz78PvwxJQ0BWJo8rkjmwBR6o3MgY26Y/7Mn1x7H/hL y3PrDT8XTz5YMgGR0zinbOXWnMjSBt6ekKZSUdfEgZfQxASGjKUnpR/KRsyVYiRF6EpC VvYDo1bzJIB6lmKNNfLCqFEJmppQigElx5mBnUI9Vru3Z6qmMqU2eBGMEFo7lwXy1g8E RPfekQR/ffr4wKEG0fXdWR8mK48OsIa8Go03su3DDag9ZUlqYWDvHg2Jh5kksc56+mz1 Js4ujwRv5VXpAMzYvtpO4GYQtn/towcPPv1S4+jF8J9A/zr2EMde1v4qfOg51TgALf1j KsYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DkyoH8DdUwp+B1Rx/yzwIrC4PSW0Djv+hDyEsHmurrg=; b=DAz/zmnMZkd+gxi9odTh2RRqfkQvsr8sPy0tQyaTLWPCeZpzeCevX8wZRTRLjrGtIj JKJsEOyI8IPnzG8NZpozWLKbZW0x+B1tUHjZ0Wi4QKYEHcrw6PE8uAuKlNacC6ljLXkP rtSwjLn8nznCXc1yerk3vq1A1Oi/CXEUFXubE7GtygDMtoUHFW5lBfrg1+fNHsDYxnI6 /2Ol3oYftoTTEIAlQeOuNYfBrSsk/2HML2z47g+zlTPt0r5VquAXHqEpzeOst/TuPZe+ bwfCwJCEjGovIY63mtnTDRWRrzYVAEnqU4+Ng4Y7IXMJ9PjMrgJDVt0oWvVh4z7RPx9Y aLLg== X-Gm-Message-State: AOAM533ovncdCci6pTi6iyVP8au24tdrYUvS4ntgUO2dDU5ewrx/PLJ9 yRuWv0b15Qiyavt/c7Af8aU= X-Google-Smtp-Source: ABdhPJw9JTw6NPREHSWHmCS8g4Ns+KRfThPCVxesGwjYL9mc5CtaPr2l0kVDPyZID9KTvyo+Y7/wrw== X-Received: by 2002:a05:6000:18d2:: with SMTP id w18mr33039073wrq.88.1617095670838; Tue, 30 Mar 2021 02:14:30 -0700 (PDT) Received: from localhost.localdomain (2a01cb0008bd2700a086f61fd085ac55.ipv6.abo.wanadoo.fr. [2a01:cb00:8bd:2700:a086:f61f:d085:ac55]) by smtp.gmail.com with ESMTPSA id l8sm33305840wrx.83.2021.03.30.02.14.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Mar 2021 02:14:30 -0700 (PDT) From: Adrien Grassein Cc: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, catalin.marinas@arm.com, will@kernel.org, bjorn.andersson@linaro.org, krzk@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Adrien Grassein Subject: [PATCH v2 2/4] arm64: dts: imx8mq-nitrogen: add USB HOST support Date: Tue, 30 Mar 2021 11:14:24 +0200 Message-Id: <20210330091426.95030-3-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210330091426.95030-1-adrien.grassein@gmail.com> References: <20210330091426.95030-1-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the description for the USB host port. This port is linked to a resettable USB HUB so handle this reset signal with a GPIO hog. Signed-off-by: Adrien Grassein --- .../boot/dts/freescale/imx8mq-nitrogen.dts | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts index b46f45a82be1..04992cbba56e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts @@ -102,6 +102,14 @@ ethphy0: ethernet-phy@4 { }; }; +&gpio1 { + usb-host-reset-hog { + gpio-hog; + gpios = <14 GPIO_ACTIVE_HIGH>; + output-high; + }; +}; + &i2c1 { clock-frequency = <400000>; pinctrl-names = "default"; @@ -213,6 +221,22 @@ &usb3_phy0 { status = "okay"; }; +&usb_dwc3_1 { + dr_mode = "host"; + status = "okay"; +}; + +/* + * On this board, USB host is connected to a resettable hub. + * The reset signal is connected to the GPIO <&gpio1 14 GPIO_ACTIVE_LOW>. + * You need to activate it in the bootloader or in the userspace. + */ +&usb3_phy1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb3_1>; +}; + &usdhc1 { assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>; assigned-clock-rates = <400000000>; @@ -388,6 +412,12 @@ MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x16 >; }; + pinctrl_usb3_1: usb3-1grp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x16 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83 -- 2.25.1