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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 6D487C433DF for ; Thu, 2 Jul 2020 09:03:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B8FE2088E for ; Thu, 2 Jul 2020 09:03:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="ON/Ul8j0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727782AbgGBJDf (ORCPT ); Thu, 2 Jul 2020 05:03:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726042AbgGBJDe (ORCPT ); Thu, 2 Jul 2020 05:03:34 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B86A2C08C5C1 for ; Thu, 2 Jul 2020 02:03:33 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id j19so6291863pgm.11 for ; Thu, 02 Jul 2020 02:03:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YjUk73CIPNmxb/gdoNk6S5t7bf881nraTdpuxxoiTMI=; b=ON/Ul8j0o0JNHF2o/1DvmtpFLhAUE8RtMf1CyujbGLJ/IZ/TdWmSeyQpdm68wMyz88 54AnCx5tqWP50x9DvQTOGkR2icvM5j4pw/hgMISV79yE7rngu6CkjpqgOyxWS0bf8aXd /zXU9/Wp7OpjxGbcYPW8lCUzedugMJxnhFBsQ= 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:mime-version :content-transfer-encoding; bh=YjUk73CIPNmxb/gdoNk6S5t7bf881nraTdpuxxoiTMI=; b=QEjjpoy9Pl6hIlPT2awALmcOqN6XdFsqEoHVrwX3ZoUk8YktMLIPg6N85oN96sU8QG IDnv5ZO6D94W+v2UOoQgmf3ID9yzLA6/35fHFVFLoL3J8sy6rWwAWLqZt4pg3Lwpfq1q Wy033AmIjb9EvGjbw7Sb9vp8GA38pQ8OlZ52nePpZh0RJ3TKXeaPpr7Y3/BsktKtC120 OuwzCWQbMozQt083MmY0xNt0YCh6LFeuVY7STp4wIQM0WwW2XCPz8+O0Km6tTxTrFv4+ lThJiQL4tuy+UN7wxhIM9K7sVAC/b3WXm+BsO4lk4SfBimrWJT/pzF7wCGXcHsRu8lhi FHZA== X-Gm-Message-State: AOAM533038SBpoc4k3agY65QG0DzF6qgfE99ToxIbwKtG7F0uCuiapgw WO6wiLQ4IY5jx+MSmnlGjBov/g== X-Google-Smtp-Source: ABdhPJw6Koh/B5/rpA4HQqjMOhYVzJ/2d/c9CUB3NCC7j0V6gZGi+4cBT5v8CIzZQiKZ+68ySxna8A== X-Received: by 2002:aa7:9a84:: with SMTP id w4mr16671552pfi.13.1593680613239; Thu, 02 Jul 2020 02:03:33 -0700 (PDT) Received: from localhost.localdomain ([2405:201:c809:c7d5:a961:9b2e:1b93:8ca7]) by smtp.gmail.com with ESMTPSA id y7sm7594800pjy.21.2020.07.02.02.03.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2020 02:03:32 -0700 (PDT) From: Jagan Teki To: Heiko Stuebner , Rob Herring , mylene.josserand@collabora.com Cc: Suniel Mahesh , Michael Trimarchi , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amarula , Jagan Teki , William Wu Subject: [PATCH] ARM: dts: rockchip: Add usb host0 ohci node for rk3288 Date: Thu, 2 Jul 2020 14:32:59 +0530 Message-Id: <20200702090259.36595-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org rk3288 and rk3288w have a usb host0 ohci controller. Although rk3288 ohci doesn't actually work on hardware, but rk3288w ohci can work well. So add usb host0 ohci node in rk3288 dtsi and the quirk in ohci platform driver will disable ohci on rk3288. The bootloader must update the compatible in order to bypass host0_ohci in legacy rk3288 platform. Cc: William Wu Signed-off-by: Jagan Teki --- Note: - U-Boot patch for compatible update https://patchwork.ozlabs.org/project/uboot/patch/20200702084820.35942-1-jagan@amarulasolutions.com/ arch/arm/boot/dts/rk3288.dtsi | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index 0cd88774db95..fd0066d07dfc 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -614,7 +614,19 @@ usb_host0_ehci: usb@ff500000 { status = "disabled"; }; - /* NOTE: ohci@ff520000 doesn't actually work on hardware */ + /** + * NOTE: ohci@ff520000 doesn't actually work on hardware + * hardware, but can work on rk3288w hardware. + */ + usb_host0_ohci: usb@ff520000 { + compatible = "generic-ohci"; + reg = <0x0 0xff520000 0x0 0x100>; + interrupts = ; + clocks = <&cru HCLK_USBHOST0>; + phys = <&usbphy1>; + phy-names = "usb"; + status = "disabled"; + }; usb_host1: usb@ff540000 { compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb", -- 2.25.1