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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 47EA8C43603 for ; Thu, 19 Dec 2019 05:32:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04E962465E for ; Thu, 19 Dec 2019 05:32:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576733567; bh=3TqDyq33bDOA1DBAAdKO4OY8wnBgiYZgW9/buyRHLqc=; h=In-Reply-To:References:Cc:Subject:From:To:Date:List-ID:From; b=qb6/VxK6/x+5UMnEC0fiRa555QyjsainwXI8o7O0yULsk5V9nPWWSPIL5EX+ZaJYw FAsBaoscabe/MkAakWgBP2xsS2YWI3ZgW6ZiK4Lz2gwrSY0sa5C2KrFe0YumKbzGdG ouU0yikSgv9bsNo6Z9pILbdZ3Bjx3Wns25m7Jxyk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725908AbfLSFcq (ORCPT ); Thu, 19 Dec 2019 00:32:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:46078 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725821AbfLSFcq (ORCPT ); Thu, 19 Dec 2019 00:32:46 -0500 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 88D3A222C2; Thu, 19 Dec 2019 05:32:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576733564; bh=3TqDyq33bDOA1DBAAdKO4OY8wnBgiYZgW9/buyRHLqc=; h=In-Reply-To:References:Cc:Subject:From:To:Date:From; b=PcpMTHNRau9NZL1ZlOqBXpdNprIkeT+kV7OT+iz0x+RJP2h9jWZkg8d/Ht+9GNZj+ UiO1w/+mRpxc2YSTdgWcO+6kWc8/wdbw+wjqaQlFhizz8oo1FVpNDlOM3twBK4b2cx 7z3B5lV256lAwcJJQ5d76sOQLf/9V/gCQhEsgZsY= Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <0101016eab0a4e76-b8eb44c5-d076-46b9-a156-b80dc650ca31-000000@us-west-2.amazonses.com> References: <1573812304-24074-1-git-send-email-tdas@codeaurora.org> <1573812304-24074-4-git-send-email-tdas@codeaurora.org> <20191126181154.275EA20727@mail.kernel.org> <0101016eab0a4e76-b8eb44c5-d076-46b9-a156-b80dc650ca31-000000@us-west-2.amazonses.com> Cc: Michael Turquette , David Brown , Rajendra Nayak , MSM , linux-soc@vger.kernel.org, linux-clk@vger.kernel.org, lkml , DTML , Rob Herring , Rob Herring Subject: Re: [PATCH v2 3/8] dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings From: Stephen Boyd To: Jeffrey Hugo , Taniya Das User-Agent: alot/0.8.1 Date: Wed, 18 Dec 2019 21:32:43 -0800 Message-Id: <20191219053244.88D3A222C2@mail.kernel.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Quoting Taniya Das (2019-11-26 20:06:49) >=20 >=20 > On 11/26/2019 11:41 PM, Stephen Boyd wrote: > > Quoting Jeffrey Hugo (2019-11-15 07:11:01) > >> On Fri, Nov 15, 2019 at 3:07 AM Taniya Das wrote: > >>> diff --git a/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml = b/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml > >>> new file mode 100644 > >>> index 0000000..c2d6243 > >>> --- /dev/null > >>> +++ b/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml > >>> + - description: GPLL0 source from GCC > >> > >> This is not an accurate conversion. GPLL0 was not valid for 845, and > >> is required for 8998. > >=20 > > Thanks for checking Jeff. > >=20 > > It looks like on 845 there are two gpll0 clocks going to gpucc. From > > gpu_cc_parent_map_0: > >=20 > > "gcc_gpu_gpll0_clk_src", > > "gcc_gpu_gpll0_div_clk_src", > >=20 >=20 > There are branches of GPLL0 which would be connected to most external=20 > CCs. It is upto to the external CCs to either use them to source a=20 > frequency or not. Yes, they can decide to use them or not, but they really do go to the CCs so the DT should describe that.