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=-0.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 C42B4C7618B for ; Thu, 25 Jul 2019 12:58:02 +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 7CB9221951 for ; Thu, 25 Jul 2019 12:58:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="U1Vmz/6w"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="K6mND/fi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CB9221951 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CxPtmiMo5nmtuYYngG/xZAnVujgnrntQ75cVK3kzzeg=; b=U1Vmz/6wfFGg/Y klZiBdrQ96qV0E5iyU2tTYknxc+oUTgCQ9Vlcs4wr/Dk+EbzZ019N9SY3FQiug+QYzHL8qVmAvFt9 mxBLPPmmbBdTbANNyx7f2zu4MhlXY/B+qqpA3X3gudB7YyMSh8ac6v3vgOk4xcqTH1aHjijlRaK8a j2dnyznsKOaZw044TX072cLfeMReSsSj58OXkyfZmeOzcZb6ZOLpu4VMh580CXXhEo11wby/z/Hsj SPDYU88tEB02CVgrzH/gY+epcm9gqKwpHrAMWtdV7eEHC8qT87ZiCP5DC+TgNRG1/r1WXDNVVa18x s7FIHn5vfsuFyxkfcxDQ==; 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 1hqdJp-0004zo-Vw; Thu, 25 Jul 2019 12:58:01 +0000 Received: from mail-io1-xd43.google.com ([2607:f8b0:4864:20::d43]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hqdJl-0004z5-Rf for linux-arm-kernel@lists.infradead.org; Thu, 25 Jul 2019 12:57:59 +0000 Received: by mail-io1-xd43.google.com with SMTP id i10so96911941iol.13 for ; Thu, 25 Jul 2019 05:57:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Zw8QWpG8j0EL+1f/JxBtB+EVg+jXBaOVcDPpFEI42q0=; b=K6mND/fi/g9b/swg/IUZ42XnbpDHKj16AQz9cokoGFAaoRHMFlgIA+VRavfg0qZdrP PRxBqZdTliJJ/ZrTCh61/TI4RDHCo3WwsqLyYMGieu0NET1ILmWr9n3mkBHz7YqdDX8q Zu4Mz9NChgH8jm+IoKyn3iiHduRNNqpGehhSXAiFX9bdxraHF5Bj7r2cH73+w6VzlvMs gsgBl5xndi9okj0QAEutDNMmmrkc7V2I8I0HOimYiOtOmb0qYSLP7YOw6fLowFsufD7s hwj3AQbXw1VEzftSQpUKs21ZzJ5nH+XBKWct1kyCwsnqxnyQPwWVHyZTqNEY4kvPi8cT D/jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Zw8QWpG8j0EL+1f/JxBtB+EVg+jXBaOVcDPpFEI42q0=; b=GqIpHo8Y87oZfWZhEgYV5qXkpxTVLrq4jijEzknhxtlLWLG5EhX+najOp42I5Aiovr 6ycPVmsKXqj3iWBbVoHEL7sD15hUDrKdYarhcwNd89MqXPyMzIlsmFmAq8shwsWWiniQ 1S84oFx+SyKy22y3B6oRo+C6I97tjpT00kFkPfERhOzXC6v22uJtpgPadbqDTLVfG4+4 Q0U4RkOuz463Z6qdnAuAYEUhQh+6+XQyyqmT/zzPImnigRaefZr7WBWFMSRvq0fXob5U 43lyCmmvIP/8ucBikloEEcl2wq0UgtbpJ/Rqk35Pilq4QrlsqlSKymAzBwzgMoarBfXT gdcg== X-Gm-Message-State: APjAAAUFOzsQ+e4bA5XFWftcS65UPX+KxG3sHoIuotL5al6ODZRcyqB6 3JV1TQXSDcXCKYtNOgXai1TH4AV6eXou+mGikIM= X-Google-Smtp-Source: APXvYqzHz5gmDpIh7oRLyBA4Be4IO2T4r3a6v0TWU+RMO1HPrrr8i8irOjmDme2npo3kVJOMoLPw5dECOj3YQVEcW+0= X-Received: by 2002:a6b:bf01:: with SMTP id p1mr51679827iof.181.1564059475453; Thu, 25 Jul 2019 05:57:55 -0700 (PDT) MIME-Version: 1.0 References: <1563289265-10977-1-git-send-email-aisheng.dong@nxp.com> In-Reply-To: <1563289265-10977-1-git-send-email-aisheng.dong@nxp.com> From: Dong Aisheng Date: Thu, 25 Jul 2019 20:48:47 +0800 Message-ID: Subject: Re: [PATCH v3 00/11] clk: imx8: add new clock binding for better pm support To: Dong Aisheng X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190725_055757_896857_AF806DD7 X-CRM114-Status: GOOD ( 19.22 ) 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: devicetree , sboyd@kernel.org, Michael Turquette , Rob Herring , dl-linux-imx , Sascha Hauer , Fabio Estevam , Shawn Guo , linux-clk , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 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 Hi Rob & Stephen & Shawn, Could you help review this patchset? We're pretty stuck here for a long time and a lot continued work are blocked. We really need your kind help. The related DT patches could be found here: https://patchwork.kernel.org/cover/11046341/ Regards Aisheng On Tue, Jul 16, 2019 at 11:23 PM Dong Aisheng wrote: > > This is a follow up of this patch series. > https://patchwork.kernel.org/cover/10924029/ > [V2,0/2] clk: imx: scu: add parsing clocks from device tree support > > This patch series is a preparation for the MX8 Architecture improvement. > As for IMX SCU based platforms like MX8QM and MX8QXP, they are comprised > of a couple of SS(Subsystems) while most of them within the same SS > can be shared. e.g. Clocks, Devices and etc. > > However, current clock binding is using SW IDs for device tree to use > which can cause troubles in writing the common -ss-xx.dtsi file for > different SoCs. > > This patch series aims to introduce a new binding which is more close to > hardware and platform independent and can makes us write a more general > drivers for different SCU based SoCs. > > Another important thing is that on MX8, each Clock resource is associated > with a power domain. So we have to attach that clock device to the power > domain in order to make it work properly. Further more, the clock state > will be lost when its power domain is completely off during suspend/resume, > so we also introduce the clock state save&restore mechanism. > > ChangeLog: > v2->v3: > * change scu clk into two cells binding > * add clk pm patches to ease the understand of the changes > v1->v2: > * SCU clock changed to one cell clock binding inspired by arm,scpi.txt > Documentation/devicetree/bindings/arm/arm,scpi.txt > * Add required power domain property > * Dropped PATCH 3&4 first, will send the updated version accordingly > after the binding is finally determined, > > Dong Aisheng (11): > dt-bindings: firmware: imx-scu: new binding to parse clocks from > device tree > dt-bindings: clock: imx-lpcg: add support to parse clocks from device > tree > clk: imx: scu: add two cells binding support > clk: imx: scu: bypass cpu power domains > clk: imx: scu: allow scu clk to take device pointer > clk: imx: scu: add runtime pm support > clk: imx: scu: add suspend/resume support > clk: imx: imx8qxp-lpcg: add parsing clocks from device tree > clk: imx: lpcg: allow lpcg clk to take device pointer > clk: imx: clk-imx8qxp-lpcg: add runtime pm support > clk: imx: lpcg: add suspend/resume support > > .../devicetree/bindings/arm/freescale/fsl,scu.txt | 12 +- > .../devicetree/bindings/clock/imx8qxp-lpcg.txt | 34 +++- > drivers/clk/imx/clk-imx8qxp-lpcg.c | 103 ++++++++++ > drivers/clk/imx/clk-imx8qxp.c | 9 +- > drivers/clk/imx/clk-lpcg-scu.c | 41 +++- > drivers/clk/imx/clk-scu.c | 216 ++++++++++++++++++++- > drivers/clk/imx/clk-scu.h | 50 ++++- > include/dt-bindings/firmware/imx/rsrc.h | 17 ++ > 8 files changed, 452 insertions(+), 30 deletions(-) > > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel