From patchwork Fri Jan 20 15:56:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 9528875 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8E029601B7 for ; Fri, 20 Jan 2017 15:58:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 843B2286AB for ; Fri, 20 Jan 2017 15:58:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 781CA286AE; Fri, 20 Jan 2017 15:58:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00 autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0D6D8286AB for ; Fri, 20 Jan 2017 15:58:27 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cUba1-0007mD-DC; Fri, 20 Jan 2017 15:58:21 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cUbZ3-0005sN-PR for linux-arm-kernel@lists.infradead.org; Fri, 20 Jan 2017 15:57:25 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id DE4E920C15; Fri, 20 Jan 2017 16:56:50 +0100 (CET) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id B8CCF20BA8; Fri, 20 Jan 2017 16:56:50 +0100 (CET) From: Maxime Ripard To: Alexandre Belloni , Alessandro Zummo , Chen-Yu Tsai Subject: [PATCH 5/6] ARM: sun8i: a23/a33: Enable the real LOSC and use it Date: Fri, 20 Jan 2017 16:56:42 +0100 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170120_075724_137483_1A87F99A X-CRM114-Status: UNSURE ( 9.90 ) X-CRM114-Notice: Please train this message. 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: devicetree@vger.kernel.org, Maxime Ripard , Rob Herring , rtc-linux@googlegroups.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP So far, the LOSC was generated through the RTC internal oscillator, which was a pretty poor and inaccurate choice. Now that the RTC properly exposes its internal mux between its oscillator and the external oscillator, we can use it were relevant. Signed-off-by: Maxime Ripard --- arch/arm/boot/dts/sun8i-a23-a33.dtsi | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi index 597f2fce6c31..e9d98d803dc6 100644 --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi @@ -109,11 +109,11 @@ clock-output-names = "osc24M"; }; - osc32k: osc32k_clk { + ext_osc32k: ext_osc32k_clk { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <32768>; - clock-output-names = "osc32k"; + clock-output-names = "ext-osc32k"; }; }; @@ -256,7 +256,7 @@ ccu: clock@01c20000 { reg = <0x01c20000 0x400>; - clocks = <&osc24M>, <&osc32k>; + clocks = <&osc24M>, <&rtc>; clock-names = "hosc", "losc"; #clock-cells = <1>; #reset-cells = <1>; @@ -266,7 +266,7 @@ /* compatible gets set in SoC specific dtsi file */ reg = <0x01c20800 0x400>; /* interrupts get set in SoC specific dtsi file */ - clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>; + clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&rtc>; clock-names = "apb", "hosc", "losc"; gpio-controller; interrupt-controller; @@ -486,6 +486,9 @@ reg = <0x01f00000 0x54>; interrupts = , ; + clock-output-names = "osc32k"; + clocks = <&ext_osc32k>; + #clock-cells = <0>; }; nmi_intc: interrupt-controller@01f00c0c { @@ -564,7 +567,7 @@ compatible = "allwinner,sun8i-a23-r-pinctrl"; reg = <0x01f02c00 0x400>; interrupts = ; - clocks = <&apb0_gates 0>, <&osc24M>, <&osc32k>; + clocks = <&apb0_gates 0>, <&osc24M>, <&rtc>; clock-names = "apb", "hosc", "losc"; resets = <&apb0_rst 0>; gpio-controller;