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=-10.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 4FA27C07E85 for ; Mon, 3 Dec 2018 15:10:45 +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 0A32F20834 for ; Mon, 3 Dec 2018 15:10:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qpNOGrvR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0A32F20834 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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JRG9Ryg1SSjCh9oWfDH1B1b1hehrzbDiKRZapHWe0Ic=; b=qpNOGrvRkmaWyZ UsCTxvc+kdRLW6EpHJU3eiFm+OB0cKM4j/WGZwom9vfeT1knorU7NjZcUqc0fRjV1OIQ6i8tAq6xw qfnFtW0RFukgjAiJPBstDG+VOYMzde4iAI0472pAzebU2b1OaRbwzuWYqCLGULwGzD3YoAF+DOOwa uPTE8yZE71oSRB5ZsbSsk2TX8E0qYivt5WysinzDHYe/c/3G/9mXwhpoKQvbc8FlnbMbyYgYfc4vO d5DJ9emT3lwFn6ipuGyN9vF+7FpJzN1wwESjl2KZfRT7FcO6pLqpO1r32zp5ZFtCVDDVUfyUW6Z1X yrX5l6EF+/r0jhHMRoMQ==; 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 1gTprm-00078k-RL; Mon, 03 Dec 2018 15:10:34 +0000 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76] helo=wens.csie.org) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gTpgV-0005ya-BG for linux-arm-kernel@lists.infradead.org; Mon, 03 Dec 2018 14:59:09 +0000 Received: by wens.csie.org (Postfix, from userid 1000) id 6DD975FD95; Mon, 3 Dec 2018 22:58:27 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , Alexandre Belloni , Alessandro Zummo , Michael Turquette , Stephen Boyd , Rob Herring , Mark Rutland Subject: [PATCH v2 04/14] dt-bindings: rtc: sun6i-rtc: Export internal RC oscillator Date: Mon, 3 Dec 2018 22:58:15 +0800 Message-Id: <20181203145825.20511-5-wens@csie.org> X-Mailer: git-send-email 2.20.0.rc1 In-Reply-To: <20181203145825.20511-1-wens@csie.org> References: <20181203145825.20511-1-wens@csie.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181203_065856_352140_8E7BA3CC X-CRM114-Status: GOOD ( 12.58 ) 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: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, Chen-Yu Tsai , Corentin Labbe , linux-clk@vger.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 Experiments showed that on at least the H3/H5/A64 the RTC's internal oscillator also feeds the CPUS mux in the PRCM. Export this clock through the device tree, instead of having to use a dummy fixed-clock device node, for the PRCM to consume. This will properly describe the relationship between the clocks. Tested-by: Corentin Labbe Signed-off-by: Chen-Yu Tsai --- Documentation/devicetree/bindings/rtc/sun6i-rtc.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt b/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt index c7aed31210bc..6b732c41392b 100644 --- a/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt +++ b/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt @@ -24,7 +24,7 @@ Required properties: Required properties for new device trees - clocks : phandle to the 32kHz external oscillator -- clock-output-names : names of up to two clock outputs. See below. +- clock-output-names : names of up to three clock outputs. See below. - #clock-cells : must be equal to 1. The RTC provides the following clocks at the given indices: @@ -32,6 +32,7 @@ The RTC provides the following clocks at the given indices: - 1: LOSC external output, known as X32KFOUT in the datasheet. This clock is not available on the A31 and is deprecated for old device trees still using the "allwinner,sun6i-a31-rtc" compatible. +- 2: InternalOSC, or internal RC oscillator (A64/H3/H5 only) Example: -- 2.20.0.rc1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel