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=-4.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 0AFF8C43331 for ; Fri, 6 Sep 2019 16:56:52 +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 D09D820693 for ; Fri, 6 Sep 2019 16:56:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PwXYF0r5"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="zab+L7xr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D09D820693 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:Subject:From:To: References:In-Reply-To:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=SXzDq83+BWPItWCA2HTpqQgF0Qd/gIwNP4vyLSVT/4k=; b=PwXYF0r5MKZfXP i5Oc7yXFV94wHmq1AF2+VGDsxosC+IgxNlsN2lk/BvUgy1zlOB85ABc35euMaGApWU8rpxaYAjrfc uT8rEfM38FSnT0bV2oorhxUQAPyz73dPbOHC+yrlH7gdSMj+OkNzIrZ2QbHhn4141HHgrFGp0BFOW FzHF/Ml7tM+uPUlYJaFXf/3LAJXUxeX13+LP9FdamQ5DY6b5rVKO5OoLzokGjNBhQzX0Zt1mRKIDD +WHn0reXESZZmhaLGqsLWsH6KTWqPev0e9m2k9oFw2iajtFXg7OI0xkfgz67zVDMmOoL3HyzGBcf1 uPmm/927H+TbYX9hFU2g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i6HXV-00072w-KS; Fri, 06 Sep 2019 16:56:49 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i6HXS-00072R-9i for linux-arm-kernel@lists.infradead.org; Fri, 06 Sep 2019 16:56:47 +0000 Received: from kernel.org (unknown [104.132.0.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9253120838; Fri, 6 Sep 2019 16:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567789005; bh=XLiSshmmIvhKSn19Y5Ycy0IjYyEkcV7i/Om32f9YTCs=; h=In-Reply-To:References:To:From:Cc:Subject:Date:From; b=zab+L7xreeoQiYiiP1PW139DUm9DwlukkoY/+5QLWhdMORo5KV9IbxytCew+5sS1y 3J39cU8ilrpAsoG7vxXWjbWlRIKvwErYmsgk2RO+QlbRv5/x4OZrBSMNDOG6fKPaGA 4KFkzBj2W8KmU/BpNetXaq2JRhioVGdDhaeKolB0= MIME-Version: 1.0 In-Reply-To: <1566299605-15641-2-git-send-email-aisheng.dong@nxp.com> References: <1566299605-15641-1-git-send-email-aisheng.dong@nxp.com> <1566299605-15641-2-git-send-email-aisheng.dong@nxp.com> To: Dong Aisheng , linux-clk@vger.kernel.org From: Stephen Boyd Subject: Re: [PATCH V4 01/11] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree User-Agent: alot/0.8.1 Date: Fri, 06 Sep 2019 09:56:44 -0700 Message-Id: <20190906165645.9253120838@mail.kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190906_095646_356264_9F34BB8F X-CRM114-Status: GOOD ( 10.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dong Aisheng , devicetree@vger.kernel.org, mturquette@baylibre.com, Rob Herring , linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Quoting Dong Aisheng (2019-08-20 04:13:15) > There's a few limitations on the original one cell clock binding > (#clock-cells = <1>) that we have to define some SW clock IDs for device > tree to reference. This may cause troubles if we want to use common > clock IDs for multi platforms support when the clock of those platforms > are mostly the same. > e.g. Current clock IDs name are defined with SS prefix. > > However the device may reside in different SS across CPUs, that means the > SS prefix may not valid anymore for a new SoC. Furthermore, the device > availability of those clocks may also vary a bit. > > For such situation, we want to eliminate the using of SW Clock IDs and > change to use a more close to HW one instead. > For SCU clocks usage, only two params required: Resource id + Clock Type. > Both parameters are platform independent. So we could use two cells binding > to pass those parameters, > > Cc: Rob Herring > Cc: Stephen Boyd > Cc: Shawn Guo > Cc: Sascha Hauer > Cc: Michael Turquette > Cc: devicetree@vger.kernel.org > Signed-off-by: Dong Aisheng > --- Reviewed-by: Stephen Boyd _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel