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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 E5105C04EB9 for ; Tue, 4 Dec 2018 02:39:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A13A52081C for ; Tue, 4 Dec 2018 02:39:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A13A52081C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amlogic.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-clk-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725953AbeLDCj2 (ORCPT ); Mon, 3 Dec 2018 21:39:28 -0500 Received: from mail-sh2.amlogic.com ([58.32.228.45]:42408 "EHLO mail-sh2.amlogic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725937AbeLDCj2 (ORCPT ); Mon, 3 Dec 2018 21:39:28 -0500 Received: from [10.18.29.207] (10.18.29.207) by mail-sh2.amlogic.com (10.18.11.6) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Tue, 4 Dec 2018 10:39:34 +0800 Subject: Re: [PATCH v7 2/4] clk: meson: add DT documentation for emmc clock controller To: Stephen Boyd , Jerome Brunet , Neil Armstrong CC: Yixun Lan , Kevin Hilman , Carlo Caione , Michael Turquette , Rob Herring , Miquel Raynal , Boris Brezillon , Martin Blumenstingl , Liang Yang , Jian Hu , Qiufang Dai , Hanjie Lin , Victor Wan , , , , References: <1542284312-55418-1-git-send-email-jianxin.pan@amlogic.com> <1542284312-55418-3-git-send-email-jianxin.pan@amlogic.com> <154387713374.88331.16436869339024592009@swboyd.mtv.corp.google.com> From: Jianxin Pan Message-ID: Date: Tue, 4 Dec 2018 10:39:34 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.3.2 MIME-Version: 1.0 In-Reply-To: <154387713374.88331.16436869339024592009@swboyd.mtv.corp.google.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.18.29.207] X-ClientProxiedBy: mail-sh2.amlogic.com (10.18.11.6) To mail-sh2.amlogic.com (10.18.11.6) Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Hi Stephen, On 2018/12/4 6:45, Stephen Boyd wrote: > Quoting Jianxin Pan (2018-11-15 04:18:30) >> diff --git a/include/dt-bindings/clock/amlogic,mmc-clkc.h b/include/dt-bindings/clock/amlogic,mmc-clkc.h >> new file mode 100644 >> index 0000000..162b949 >> --- /dev/null >> +++ b/include/dt-bindings/clock/amlogic,mmc-clkc.h >> @@ -0,0 +1,17 @@ >> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ >> +/* >> + * Meson MMC sub clock tree IDs >> + * >> + * Copyright (c) 2018 Amlogic, Inc. All rights reserved. >> + * Author: Yixun Lan >> + */ >> + >> +#ifndef __MMC_CLKC_H >> +#define __MMC_CLKC_H >> + >> +#define CLKID_MMC_DIV 1 > > Why does the define numbering start with 1 instead of 0? > The Clock ID 0 is used by CLKID_MMC_MUX. CLKID_MMC_MUX is an internal clock which defined in drivers/clk/meson/mmc-clkc.c, and it's the parent of CLKID_MMC_DIV. >> +#define CLKID_MMC_PHASE_CORE 2 >> +#define CLKID_MMC_PHASE_TX 3 >> +#define CLKID_MMC_PHASE_RX 4 >> + > > . >