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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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 2A550C10F0E for ; Mon, 15 Apr 2019 14:39:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 02BEA2075B for ; Mon, 15 Apr 2019 14:39:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727623AbfDOOj0 convert rfc822-to-8bit (ORCPT ); Mon, 15 Apr 2019 10:39:26 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:33569 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725789AbfDOOjY (ORCPT ); Mon, 15 Apr 2019 10:39:24 -0400 Received: by mail-ed1-f68.google.com with SMTP id d55so14128231ede.0; Mon, 15 Apr 2019 07:39:23 -0700 (PDT) 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:content-transfer-encoding; bh=hmJsJeNNfh+93dB7/T+Nj58jE4CDvzJ6YUnZ1kMFnf4=; b=SpirkLRBdd4/vA579uHeZriFs2G2R2m7mrb8rkH+aIaurW9KdD1HWqNFJoUPMIRWBY xCC64YQaNTkWFMqk+6pNXSnB0tmk2TWtCa+u9T3eHY0+h3IKvdMd7lmSH0TH2Ba5i31A CFJJ/AHNfxyd87st9Ad9oDeBEGYXYFUwkWWVFCMoMe8ZSU72IR/+ZQgSgyQQWNySuClN i2TaiEIcrnMSOxyPu1Mz9wyMq08Qbyo7lMCZbEYKItEuacxJx4CGpGmTGInnZ0pP893p HVpxN2Cpz/WBpeJRzOZw4Stj/ZYkP6mIiDKq9XBbdq+sAgHmDwJ5bjpTa+LOLHvpr6tN 7Mmg== X-Gm-Message-State: APjAAAXkJLtBZ968/qlCH214Ks1JqqeppO2b9cClPcXHZaB/f3aCgi8o QH+g3YDGg5zGfjPTI7jfNuzDgMtHJYg= X-Google-Smtp-Source: APXvYqxPq5ouQd7gXbHAZQAFWUClkbhCJglynytotmoaUy2e5k+2xMTeD/76uU9tJDlkW0yLfaPSkQ== X-Received: by 2002:a50:8b95:: with SMTP id m21mr16293745edm.178.1555339161716; Mon, 15 Apr 2019 07:39:21 -0700 (PDT) Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com. [209.85.128.43]) by smtp.gmail.com with ESMTPSA id p4sm8794741edr.55.2019.04.15.07.39.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Apr 2019 07:39:21 -0700 (PDT) Received: by mail-wm1-f43.google.com with SMTP id n25so20815487wmk.4; Mon, 15 Apr 2019 07:39:20 -0700 (PDT) X-Received: by 2002:a05:600c:2118:: with SMTP id u24mr22582843wml.24.1555339160744; Mon, 15 Apr 2019 07:39:20 -0700 (PDT) MIME-Version: 1.0 References: <20190412120730.473-1-megous@megous.com> <20190415142222.cytlvz7z3mjf7slm@core.my.home> <20190415143304.dxpmyh73qxzaybtc@flea> In-Reply-To: <20190415143304.dxpmyh73qxzaybtc@flea> From: Chen-Yu Tsai Date: Mon, 15 Apr 2019 22:39:08 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-sunxi] [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC To: Maxime Ripard Cc: Alessandro Zummo , Alexandre Belloni , Rob Herring , Mark Rutland , linux-rtc@vger.kernel.org, devicetree , linux-arm-kernel , linux-kernel , linux-sunxi Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 15, 2019 at 10:33 PM Maxime Ripard wrote: > > On Mon, Apr 15, 2019 at 04:22:22PM +0200, Ondřej Jirman wrote: > > DT would still probably need a re-work in the future, if the PRCM clock > > modeling the gate would be needed. > > Just reacting to that bit. > > I know we're pretty bad at this, and the documentation doesn't make it > any easier, but if you have any idea of how it should be modelled > next, then do that. It seems to be just a clock gate, judging by previous (A80/A83T) SoCs. However since we lack documents for the PRCM, we might need to poke around to verify that it's actually there. Or maybe we could ask Allwinner very specific questions, like: - Does the PRCM have a gate controlling XO? - Is it bit 2 in register 0x44 in the PRCM? ChenYu > There's no reason to push it to a later time, it makes everyone's life > harder. > > Maxime > > -- > Maxime Ripard, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com > > -- > You received this message because you are subscribed to the Google Groups "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: Re: [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC Date: Mon, 15 Apr 2019 22:39:08 +0800 Message-ID: References: <20190412120730.473-1-megous@megous.com> <20190415142222.cytlvz7z3mjf7slm@core.my.home> <20190415143304.dxpmyh73qxzaybtc@flea> Reply-To: wens-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20190415143304.dxpmyh73qxzaybtc@flea> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard Cc: Alessandro Zummo , Alexandre Belloni , Rob Herring , Mark Rutland , linux-rtc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree , linux-arm-kernel , linux-kernel , linux-sunxi List-Id: devicetree@vger.kernel.org On Mon, Apr 15, 2019 at 10:33 PM Maxime Ripard wrote: > > On Mon, Apr 15, 2019 at 04:22:22PM +0200, Ond=C5=99ej Jirman wrote: > > DT would still probably need a re-work in the future, if the PRCM clock > > modeling the gate would be needed. > > Just reacting to that bit. > > I know we're pretty bad at this, and the documentation doesn't make it > any easier, but if you have any idea of how it should be modelled > next, then do that. It seems to be just a clock gate, judging by previous (A80/A83T) SoCs. However since we lack documents for the PRCM, we might need to poke around to verify that it's actually there. Or maybe we could ask Allwinner very specific questions, like: - Does the PRCM have a gate controlling XO? - Is it bit 2 in register 0x44 in the PRCM? ChenYu > There's no reason to push it to a later time, it makes everyone's life > harder. > > Maxime > > -- > Maxime Ripard, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com > > -- > You received this message because you are subscribed to the Google Groups= "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an= email to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org > For more options, visit https://groups.google.com/d/optout. --=20 You received this message because you are subscribed to the Google Groups "= linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout. 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 018E0C10F12 for ; Mon, 15 Apr 2019 14:39:36 +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 C05352075B for ; Mon, 15 Apr 2019 14:39:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XDULgH/4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C05352075B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csie.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: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=ij9+oa57RlYeYD4LpbVBVUX9iwc7COcdg4ObNUeQEeY=; b=XDULgH/4+BF7Eo adFPkKWhZT40+h3GhDZcAhFK4vKFLHefjjVIdwYEgI8fjgzifzwSiidQ5jU2Xi1mZqhDw4kIJ4ynC KG996BfzvXW3pfkCs6klpgckhMhkOzBczeIFIJboGRt1593IKmlUPeI/HX9zWb7EQZmcTvTSADNL6 e+Qr74AOW4MAPiH18PN0UhStU7BO7jClO11amomcaIgi33n3J5SHrSaghCM/d7Gom1CNhM800wqdL Wan905dCHN3Jvux5szrfZLMiOD9VOY5T4cjvIJF0HFkDiIZnA61A3Ftwb61Bx5z5XtswBsfXvnCx+ KjogOfwVgPNVuFq8o7jw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hG2lb-000419-3y; Mon, 15 Apr 2019 14:39:27 +0000 Received: from mail-ed1-f66.google.com ([209.85.208.66]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hG2lX-000409-1l for linux-arm-kernel@lists.infradead.org; Mon, 15 Apr 2019 14:39:26 +0000 Received: by mail-ed1-f66.google.com with SMTP id d55so14128199ede.0 for ; Mon, 15 Apr 2019 07:39:22 -0700 (PDT) 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:content-transfer-encoding; bh=hmJsJeNNfh+93dB7/T+Nj58jE4CDvzJ6YUnZ1kMFnf4=; b=A4VUrt0yZOAyKjryisOAE3JQDzyc7SGhMep5jYe8W8jNOUsH/sfJrbJ9OCl+Q/knL9 l3+xlq8zXgYbBdInQu+GY0hEdvN3Kbz1oMd1oFVscTaZJemc0bHE12EMup4G8kzuGtZD TjwU2zlgvuiSYsdBDYsjk1psIYbQLurvluqvT0fSmstG9zi9o2WgHgblPvIG2Vq4dx70 tDxfzS5L3tg6XNObvoi5GkxLiSo1nkHrnOpOYz/tNQCWJVmIO8/o+Triq/yhqnAJyZNr nysLDmK6UHaLFhIScNZU209PKk+z9ofisxUHbPWp47MDurWKDWVcTAf+UJjyyzAH9CPO q+xw== X-Gm-Message-State: APjAAAUdynbDaJQ6HKUMYd8EQocoS0O9gi7VWJAh+BzfwJUjSdDlhYYX FwNA/8p8zVHENrpPrkJg7g+O3upUxtQ= X-Google-Smtp-Source: APXvYqy9zRszn9hh9K/42d2nEH6OxTtOM+TKvVpFXzw5f6ROYG5asAlIUsWUy6EBUxrIASNsG7oDaQ== X-Received: by 2002:a50:a3da:: with SMTP id t26mr10022887edb.102.1555339161437; Mon, 15 Apr 2019 07:39:21 -0700 (PDT) Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com. [209.85.128.45]) by smtp.gmail.com with ESMTPSA id y5sm8744762eds.7.2019.04.15.07.39.20 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Apr 2019 07:39:20 -0700 (PDT) Received: by mail-wm1-f45.google.com with SMTP id y197so9012465wmd.0 for ; Mon, 15 Apr 2019 07:39:20 -0700 (PDT) X-Received: by 2002:a05:600c:2118:: with SMTP id u24mr22582843wml.24.1555339160744; Mon, 15 Apr 2019 07:39:20 -0700 (PDT) MIME-Version: 1.0 References: <20190412120730.473-1-megous@megous.com> <20190415142222.cytlvz7z3mjf7slm@core.my.home> <20190415143304.dxpmyh73qxzaybtc@flea> In-Reply-To: <20190415143304.dxpmyh73qxzaybtc@flea> From: Chen-Yu Tsai Date: Mon, 15 Apr 2019 22:39:08 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-sunxi] [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC To: Maxime Ripard X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190415_073924_557399_9D781641 X-CRM114-Status: GOOD ( 23.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Alessandro Zummo , Alexandre Belloni , devicetree , linux-kernel , linux-sunxi , Rob Herring , linux-arm-kernel , linux-rtc@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCBBcHIgMTUsIDIwMTkgYXQgMTA6MzMgUE0gTWF4aW1lIFJpcGFyZAo8bWF4aW1lLnJp cGFyZEBib290bGluLmNvbT4gd3JvdGU6Cj4KPiBPbiBNb24sIEFwciAxNSwgMjAxOSBhdCAwNDoy MjoyMlBNICswMjAwLCBPbmTFmWVqIEppcm1hbiB3cm90ZToKPiA+IERUIHdvdWxkIHN0aWxsIHBy b2JhYmx5IG5lZWQgYSByZS13b3JrIGluIHRoZSBmdXR1cmUsIGlmIHRoZSBQUkNNIGNsb2NrCj4g PiBtb2RlbGluZyB0aGUgZ2F0ZSB3b3VsZCBiZSBuZWVkZWQuCj4KPiBKdXN0IHJlYWN0aW5nIHRv IHRoYXQgYml0Lgo+Cj4gSSBrbm93IHdlJ3JlIHByZXR0eSBiYWQgYXQgdGhpcywgYW5kIHRoZSBk b2N1bWVudGF0aW9uIGRvZXNuJ3QgbWFrZSBpdAo+IGFueSBlYXNpZXIsIGJ1dCBpZiB5b3UgaGF2 ZSBhbnkgaWRlYSBvZiBob3cgaXQgc2hvdWxkIGJlIG1vZGVsbGVkCj4gbmV4dCwgdGhlbiBkbyB0 aGF0LgoKSXQgc2VlbXMgdG8gYmUganVzdCBhIGNsb2NrIGdhdGUsIGp1ZGdpbmcgYnkgcHJldmlv dXMgKEE4MC9BODNUKSBTb0NzLgpIb3dldmVyIHNpbmNlIHdlIGxhY2sgZG9jdW1lbnRzIGZvciB0 aGUgUFJDTSwgd2UgbWlnaHQgbmVlZCB0byBwb2tlCmFyb3VuZCB0byB2ZXJpZnkgdGhhdCBpdCdz IGFjdHVhbGx5IHRoZXJlLgoKT3IgbWF5YmUgd2UgY291bGQgYXNrIEFsbHdpbm5lciB2ZXJ5IHNw ZWNpZmljIHF1ZXN0aW9ucywgbGlrZToKCiAgLSBEb2VzIHRoZSBQUkNNIGhhdmUgYSBnYXRlIGNv bnRyb2xsaW5nIFhPPwogIC0gSXMgaXQgYml0IDIgaW4gcmVnaXN0ZXIgMHg0NCBpbiB0aGUgUFJD TT8KCkNoZW5ZdQoKPiBUaGVyZSdzIG5vIHJlYXNvbiB0byBwdXNoIGl0IHRvIGEgbGF0ZXIgdGlt ZSwgaXQgbWFrZXMgZXZlcnlvbmUncyBsaWZlCj4gaGFyZGVyLgo+Cj4gTWF4aW1lCj4KPiAtLQo+ IE1heGltZSBSaXBhcmQsIEJvb3RsaW4KPiBFbWJlZGRlZCBMaW51eCBhbmQgS2VybmVsIGVuZ2lu ZWVyaW5nCj4gaHR0cHM6Ly9ib290bGluLmNvbQo+Cj4gLS0KPiBZb3UgcmVjZWl2ZWQgdGhpcyBt ZXNzYWdlIGJlY2F1c2UgeW91IGFyZSBzdWJzY3JpYmVkIHRvIHRoZSBHb29nbGUgR3JvdXBzICJs aW51eC1zdW54aSIgZ3JvdXAuCj4gVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGdyb3VwIGFuZCBz dG9wIHJlY2VpdmluZyBlbWFpbHMgZnJvbSBpdCwgc2VuZCBhbiBlbWFpbCB0byBsaW51eC1zdW54 aSt1bnN1YnNjcmliZUBnb29nbGVncm91cHMuY29tLgo+IEZvciBtb3JlIG9wdGlvbnMsIHZpc2l0 IGh0dHBzOi8vZ3JvdXBzLmdvb2dsZS5jb20vZC9vcHRvdXQuCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlz dApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==