From patchwork Mon Mar 4 14:05:41 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steffen Trumtrar X-Patchwork-Id: 2212951 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id CC4F8DF2F2 for ; Mon, 4 Mar 2013 14:09:24 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UCW2j-00010z-UT; Mon, 04 Mar 2013 14:07:05 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UCW27-0000pV-M1 for linux-arm-kernel@lists.infradead.org; Mon, 04 Mar 2013 14:06:29 +0000 Received: from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1UCW1j-0004Yd-Aa; Mon, 04 Mar 2013 15:06:03 +0100 Received: from str by dude.hi.pengutronix.de with local (Exim 4.80) (envelope-from ) id 1UCW1h-0002JH-7l; Mon, 04 Mar 2013 15:06:01 +0100 From: Steffen Trumtrar To: rtc-linux@googlegroups.com, devicetree-discuss@lists.ozlabs.org Subject: [PATCH 2/9] MXS/i.MX28: add the possibility to define the external RTC crystal Date: Mon, 4 Mar 2013 15:05:41 +0100 Message-Id: <1362405948-12992-3-git-send-email-s.trumtrar@pengutronix.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1362405948-12992-1-git-send-email-s.trumtrar@pengutronix.de> References: <1362405948-12992-1-git-send-email-s.trumtrar@pengutronix.de> X-SA-Exim-Connect-IP: 2001:6f8:1178:2:21e:67ff:fe11:9c5c X-SA-Exim-Mail-From: str@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130304_090627_866069_6262A4D4 X-CRM114-Status: GOOD ( 13.48 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.6 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Alessandro Zummo , Shawn Guo , kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Juergen Beisert Signed-off-by: Juergen Beisert --- arch/arm/boot/dts/imx28.dtsi | 6 ++++++ drivers/clk/mxs/clk-imx28.c | 4 +++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 958bd10..dcd0844 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -41,6 +41,12 @@ #address-cells = <1>; #size-cells = <0>; + osc32k: rtc_oscillator { + compatible = "fsl,mxs-rtc", "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + osc24m: system_oscillator { compatible = "fsl,mxs-system", "fixed-clock"; #clock-cells = <0>; diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index 01048b5..a910d72 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -141,7 +141,7 @@ enum imx28_clk { clk32k_div, rtc, lradc, spdif_div, clk32k, pwm, uart, ssp0, ssp1, ssp2, ssp3, gpmi, spdif, emi, saif0, saif1, lcdif, etm, fec, can0, can1, usb0, usb1, usb0_phy, usb1_phy, enet_out, - clk_max + rtc_32k, clk_max }; static struct clk *clks[clk_max]; @@ -167,6 +167,8 @@ int __init mx28_clocks_init(void) if (of_device_is_compatible(np, "fsl,mxs-system")) clks[ref_xtal] = mxs_clk_fixed("ref_xtal", rate); + else if (of_device_is_compatible(np, "fsl,mxs-rtc")) + clks[rtc_32k] = mxs_clk_fixed("rtc32k", rate); } /* if not set, guess their frequency */