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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jg13-20020a170907970d00b00870dcdc205fsi8836245ejc.483.2023.01.17.20.48.13; Tue, 17 Jan 2023 20:48:37 -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=@gmail.com header.s=20210112 header.b=DlSEsi0K; 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=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229614AbjAREqE (ORCPT + 99 others); Tue, 17 Jan 2023 23:46:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229702AbjAREp2 (ORCPT ); Tue, 17 Jan 2023 23:45:28 -0500 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 951CA58660; Tue, 17 Jan 2023 20:45:18 -0800 (PST) Received: by mail-pg1-x533.google.com with SMTP id r18so23621003pgr.12; Tue, 17 Jan 2023 20:45:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=PqdFnWHjWAHKmuM+PoO/HnCy2n74on+Ymq3rYfqeAJE=; b=DlSEsi0KQ9JhYv/iu2q45d2JfoC8+2CKC7ECut2BUh35plePrVMWf4mebvkknGUrr5 2pSFeKYmW65ZfjxlunY/SaR/XzEVnZNUk2w6uKzOJ0jRyNuERB5VAjFCiKHDKgoMFB6M duxipMvK5ckycVBRkseYba+l6G6zF5o8fcW9qqf8/0JKtBgK+T3Mx0toVEr+TcLg68zt tSx6hUgrL7MUPOQrBGjTmT4iM7gB4MDM/9VSsi9rOsHrz/WhgYHS2b9383b9mtHvJn4W 4MBT8Jcou5EwffrVcWfbev08iHwYTuOL+qc9fV6ggSZNK83+TvGTHWz055RIGcoYCTWd wdzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PqdFnWHjWAHKmuM+PoO/HnCy2n74on+Ymq3rYfqeAJE=; b=pNd58ipT5jcMfUatkFrZ4lE95Mpv+I2CHaoyR0ZI4hW8md012+r9M+46geurSUlhXm A0aFRW5iTasfPbFJRjUzbdk5/xiPy+LIc0LO5YrN+JGwSKGQ3FexGVQjF4kDlrwOnemT gLWQd9VJr526JCsSK/N1iU0r8OvaKDWrB2Dey4XRA2nh27SRV1MI8yySaBoV0kh2KEM+ 1cN2ne0POtBipDnsquuTk6kk+HURVke7WyE1mSIo4GD0bJ9TIhx72pdHcwU00no7ljvs 9z456s4Y/fDU5pm/tYhTgsIZ/TdCne9MlK8vyrsxFd1+Y6hjxxz22LAb/FJtabBEZpfL lqJw== X-Gm-Message-State: AFqh2kroxs89TdfnJVjwxt/33QQrp9zZWIZumzsS0SfnWGw93myT5abv mTPl/6C0IwlhtSItWo4Jqhw= X-Received: by 2002:a05:6a00:2354:b0:580:cf1a:f2b5 with SMTP id j20-20020a056a00235400b00580cf1af2b5mr8704552pfj.12.1674017118519; Tue, 17 Jan 2023 20:45:18 -0800 (PST) Received: from localhost.localdomain ([45.112.3.15]) by smtp.gmail.com with ESMTPSA id i1-20020a056a00004100b00581a156b920sm8682770pfk.132.2023.01.17.20.45.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 20:45:17 -0800 (PST) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: linux-amlogic@lists.infradead.org, Matthias Kaehlcke , Alexander Stein , Johan Hovold , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 7/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c4 Date: Wed, 18 Jan 2023 04:44:15 +0000 Message-Id: <20230118044418.875-8-linux.amoon@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230118044418.875-1-linux.amoon@gmail.com> References: <20230118044418.875-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,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?1755334382693961453?= X-GMAIL-MSGID: =?utf-8?q?1755334382693961453?= On Odroid c4 previously use gpio-hog to reset the usb hub, switch to used on-board usb hub reset to enable the usb hub and enable power to hub. USB hub is combination of USB 2.0 and USB 3.0 root hub so use peer-hub node to link then. Signed-off-by: Anand Moon --- v2: - fix the compatible string. - Fix the hub node to use peer-hub to link the usb 2.0 and usb 3.0. --- .../boot/dts/amlogic/meson-sm1-odroid-c4.dts | 36 ++++++++++++------- 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts index 8c30ce63686e..d04768a66bfe 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts @@ -26,20 +26,30 @@ led-blue { sound { model = "ODROID-C4"; }; -}; -&gpio { - /* - * WARNING: The USB Hub on the Odroid-C4 needs a reset signal - * to be turned high in order to be detected by the USB Controller - * This signal should be handled by a USB specific power sequence - * in order to reset the Hub when USB bus is powered down. - */ - hog-0 { - gpio-hog; - gpios = ; - output-high; - line-name = "usb-hub-reset"; + /* USB hub supports both USB 2.0 and USB 3.0 root hub */ + usb-hub { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible = "usb2109,2817"; + reg = <1>; + peer-hub = <&hub_3_0>; + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc_5v>; + }; + + /* 3.1 hub on port 4 */ + hub_3_0: hub@2 { + compatible = "usb2109,817"; + reg = <2>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc_5v>; + }; }; };