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=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 4A06CC432BE for ; Tue, 31 Aug 2021 07:30:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28AEB6101C for ; Tue, 31 Aug 2021 07:30:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239863AbhHaHbh (ORCPT ); Tue, 31 Aug 2021 03:31:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:46410 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239824AbhHaHbg (ORCPT ); Tue, 31 Aug 2021 03:31:36 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 20B0960F91; Tue, 31 Aug 2021 07:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630395042; bh=58gahRqJCVkZ6Ws/NXcX/rfwRVKeEn+0OjYE684NjAU=; h=References:From:To:Cc:Subject:Date:In-reply-to:From; b=YORRbvpt6ZHHPi0bEl/Amlmr7mRdYiNda3iiPdliD0gkW/E4Dyu766dZpEjA9xaZv 4EX0RhqVVF0lx4IJ6vPWfoMcvQAMPW5+IEobZY4mKmNAAJSCmcgPagEtSEzzfE3xtV AmSNclUmSP43p3haiMfspUk9uzA5lN8VSTaYOPWXPgn5FcgYB68H2pVscrX/jH+FwF vmU6EgVmG1btuXl0kvW3Sv2rQWppfr/g7MVJ+BVnrsPCW1driRtRhQv+PlgPP1JTey QR20KZbrA1cMPi6CRQiG/NjlyM5aJsgiHWxpdGe+sNNinTAasPzew7Hurr4/5t7n6z XDuniX/irTzXg== References: <9f399bdf1ff752e31ab7497e3d5ce19bbb3ff247.1630389452.git.baruch@tkos.co.il> User-agent: mu4e 1.6.5; emacs 27.2 From: Felipe Balbi To: Baruch Siach Cc: Andy Gross , Bjorn Andersson , Rob Herring , Balaji Prakash J , Rob Herring , Kathiravan T , Jack Pham , Thinh Nguyen , Robert Marko , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v3 2/4] usb: dwc3: reference clock period configuration Date: Tue, 31 Aug 2021 10:27:45 +0300 In-reply-to: <9f399bdf1ff752e31ab7497e3d5ce19bbb3ff247.1630389452.git.baruch@tkos.co.il> Message-ID: <87ilzmcbqa.fsf@kernel.org> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Baruch Siach writes: > From: Balaji Prakash J > > Set reference clock period when it differs from dwc3 default hardware > set. > > We could calculate clock period based on reference clock frequency. But > this information is not always available. This is the case of PCI bus > attached USB host. For that reason we use a custom property. > > Tested (USB2 only) on IPQ6010 SoC based board with 24 MHz reference > clock while hardware default is 19.2 MHz. > > Nacked-by: Rob Herring > Signed-off-by: Balaji Prakash J > [ baruch: rewrite commit message; drop GFLADJ code; remove 'quirk-' from > property name; mention tested hardware ] > Signed-off-by: Baruch Siach Acked-by: Felipe Balbi -- balbi 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=-9.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 617B2C432BE for ; Tue, 31 Aug 2021 07:36:08 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2196060240 for ; Tue, 31 Aug 2021 07:36:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2196060240 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:In-reply-to: Date:Subject:Cc:To:From:References:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fSK2g0F2rMHSpUgqDrehLfHG3xJk1lOn91b1YFT5XKw=; b=sSHS1RTvy9k3WF POw8UQNi9OmrkZfB0RrFOyLMU2msSvejRSm3ApWNWBiVuktqbD0zzMp5ZIhzORDMY1KgD4BSHDFY8 rwtwRU7wL+EiVZ9TOb/w1/Cpw7Y9wkMhpMmY1JUP3GUZmj+suA0RrTnaHOxGimbBK/j8s18yRWB6P gKTKQzZ/3UvCz1RDZ5UrTxGRNg14dXbfjntZMQQFcqg7aHN6+nbnlHN5dAvCCH3ANhIgGyJPFZVrl ETDj0V1apFg02WLBBTMV2RnNxjrMDNNXlHtkBqF6pKP/Ra5h/4xWbxyL9u6aUzcTQ+0DWDxOz99CL Ybx5wHqPF9LjmW1oe1gQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKyHa-001gCM-WC; Tue, 31 Aug 2021 07:34:11 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKyEE-001euy-Fg for linux-arm-kernel@lists.infradead.org; Tue, 31 Aug 2021 07:30:43 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 20B0960F91; Tue, 31 Aug 2021 07:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630395042; bh=58gahRqJCVkZ6Ws/NXcX/rfwRVKeEn+0OjYE684NjAU=; h=References:From:To:Cc:Subject:Date:In-reply-to:From; b=YORRbvpt6ZHHPi0bEl/Amlmr7mRdYiNda3iiPdliD0gkW/E4Dyu766dZpEjA9xaZv 4EX0RhqVVF0lx4IJ6vPWfoMcvQAMPW5+IEobZY4mKmNAAJSCmcgPagEtSEzzfE3xtV AmSNclUmSP43p3haiMfspUk9uzA5lN8VSTaYOPWXPgn5FcgYB68H2pVscrX/jH+FwF vmU6EgVmG1btuXl0kvW3Sv2rQWppfr/g7MVJ+BVnrsPCW1driRtRhQv+PlgPP1JTey QR20KZbrA1cMPi6CRQiG/NjlyM5aJsgiHWxpdGe+sNNinTAasPzew7Hurr4/5t7n6z XDuniX/irTzXg== References: <9f399bdf1ff752e31ab7497e3d5ce19bbb3ff247.1630389452.git.baruch@tkos.co.il> User-agent: mu4e 1.6.5; emacs 27.2 From: Felipe Balbi To: Baruch Siach Cc: Andy Gross , Bjorn Andersson , Rob Herring , Balaji Prakash J , Rob Herring , Kathiravan T , Jack Pham , Thinh Nguyen , Robert Marko , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v3 2/4] usb: dwc3: reference clock period configuration Date: Tue, 31 Aug 2021 10:27:45 +0300 In-reply-to: <9f399bdf1ff752e31ab7497e3d5ce19bbb3ff247.1630389452.git.baruch@tkos.co.il> Message-ID: <87ilzmcbqa.fsf@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210831_003042_618235_505653E9 X-CRM114-Status: UNSURE ( 8.29 ) X-CRM114-Notice: Please train this message. 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Baruch Siach writes: > From: Balaji Prakash J > > Set reference clock period when it differs from dwc3 default hardware > set. > > We could calculate clock period based on reference clock frequency. But > this information is not always available. This is the case of PCI bus > attached USB host. For that reason we use a custom property. > > Tested (USB2 only) on IPQ6010 SoC based board with 24 MHz reference > clock while hardware default is 19.2 MHz. > > Nacked-by: Rob Herring > Signed-off-by: Balaji Prakash J > [ baruch: rewrite commit message; drop GFLADJ code; remove 'quirk-' from > property name; mention tested hardware ] > Signed-off-by: Baruch Siach Acked-by: Felipe Balbi -- balbi _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel