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[209.132.180.67]) by mx.google.com with ESMTP id r19si1933561pgl.203.2019.06.21.01.26.59; Fri, 21 Jun 2019 01:27:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726328AbfFUI0z (ORCPT + 99 others); Fri, 21 Jun 2019 04:26:55 -0400 Received: from inva021.nxp.com ([92.121.34.21]:58112 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726057AbfFUI0y (ORCPT ); Fri, 21 Jun 2019 04:26:54 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 97DE420092B; Fri, 21 Jun 2019 10:26:53 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id B7EE2200037; Fri, 21 Jun 2019 10:26:44 +0200 (CEST) Received: from mega.ap.freescale.net (mega.ap.freescale.net [10.192.208.232]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id CF83A402CF; Fri, 21 Jun 2019 16:26:33 +0800 (SGT) From: Anson.Huang@nxp.com To: daniel.lezcano@linaro.org, tglx@linutronix.de, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, l.stach@pengutronix.de, abel.vesa@nxp.com, ccaione@baylibre.com, angus@akkea.ca, andrew.smirnov@gmail.com, agx@sigxcpu.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Linux-imx@nxp.com Subject: [PATCH 1/3] clocksource/drivers/sysctr: Add an optional property Date: Fri, 21 Jun 2019 16:28:36 +0800 Message-Id: <20190621082838.12630-1-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.17.1 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Anson Huang This patch adds an optional property "clock-frequency" to pass the system counter frequency value to kernel system counter driver and indicate the driver to skip of_clk operations, this is to support those platforms using platform driver model for clock driver. Signed-off-by: Anson Huang --- Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt index d576599..c9907a0 100644 --- a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt +++ b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt @@ -14,6 +14,11 @@ Required properties: - clocks : Specifies the counter clock. - clock-names: Specifies the clock's name of this module +Optional properties: + +- clock-frequency : Specifies system counter clock frequency and indicates system + counter driver to skip clock operations. + Example: system_counter: timer@306a0000 { @@ -22,4 +27,5 @@ Example: clocks = <&clk_8m>; clock-names = "per"; interrupts = ; + clock-frequency = <8333333>; }; -- 2.7.4