From patchwork Fri Dec 13 08:57:07 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 3339461 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 16B3AC0D4A for ; Fri, 13 Dec 2013 09:51:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E885A206D8 for ; Fri, 13 Dec 2013 09:51:26 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1B6C82066C for ; Fri, 13 Dec 2013 09:51:22 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VrPNO-0001mb-DC; Fri, 13 Dec 2013 09:49:43 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VrPMx-0001TB-0k; Fri, 13 Dec 2013 09:49:15 +0000 Received: from am1ehsobe006.messaging.microsoft.com ([213.199.154.209] helo=am1outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VrPMT-0001OG-2T for linux-arm-kernel@lists.infradead.org; Fri, 13 Dec 2013 09:48:46 +0000 Received: from mail82-am1-R.bigfish.com (10.3.201.234) by AM1EHSOBE002.bigfish.com (10.3.204.22) with Microsoft SMTP Server id 14.1.225.22; Fri, 13 Dec 2013 09:48:43 +0000 Received: from mail82-am1 (localhost [127.0.0.1]) by mail82-am1-R.bigfish.com (Postfix) with ESMTP id 9FFE62A0129; Fri, 13 Dec 2013 09:48:43 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6hzz1de098h8275bh8275dh1de097hz2dh2a8h839he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h1155h) Received: from mail82-am1 (localhost.localdomain [127.0.0.1]) by mail82-am1 (MessageSwitch) id 1386928122403718_21089; Fri, 13 Dec 2013 09:48:42 +0000 (UTC) Received: from AM1EHSMHS017.bigfish.com (unknown [10.3.201.226]) by mail82-am1.bigfish.com (Postfix) with ESMTP id 521266004A; Fri, 13 Dec 2013 09:48:42 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by AM1EHSMHS017.bigfish.com (10.3.207.155) with Microsoft SMTP Server (TLS) id 14.16.227.3; Fri, 13 Dec 2013 09:48:42 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-003.039d.mgd.msft.net (10.84.1.16) with Microsoft SMTP Server (TLS) id 14.3.158.2; Fri, 13 Dec 2013 09:48:31 +0000 Received: from rock.am.freescale.net (rock.ap.freescale.net [10.193.20.106]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id rBD9lo3v025382; Fri, 13 Dec 2013 02:48:23 -0700 From: Xiubo Li To: Subject: [PATCHv7 4/4] Documentation: Add device tree bindings for Freescale FTM PWM. Date: Fri, 13 Dec 2013 16:57:07 +0800 Message-ID: <1386925027-16288-5-git-send-email-Li.Xiubo@freescale.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1386925027-16288-1-git-send-email-Li.Xiubo@freescale.com> References: <1386925027-16288-1-git-send-email-Li.Xiubo@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131213_044845_276247_A7BFE193 X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) Cc: mark.rutland@arm.com, linux-pwm@vger.kernel.org, linux@arm.linux.org.uk, ian.campbell@citrix.com, pawel.moll@arm.com, swarren@wwwdotorg.org, s.hauer@pengutronix.de, linux-doc@vger.kernel.org, tomasz.figa@gmail.com, rob.herring@calxeda.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, rob@landley.net, galak@codeaurora.org, grant.likely@linaro.org, matt.porter@linaro.org, t.figa@samsung.com, 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This adds the binding documentation for Freescale FlexTimer Module (FTM) PWM driver under Documentation/devicetree/bindings/pwm/. Signed-off-by: Xiubo Li Reviewed-by: Sascha Hauer Acked-by: Kumar Gala --- .../devicetree/bindings/pwm/pwm-fsl-ftm.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt diff --git a/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt new file mode 100644 index 0000000..6ae6377 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt @@ -0,0 +1,38 @@ +Freescale FlexTimer Module (FTM) PWM controller + +Required properties: +- compatible: Should be "fsl,vf610-ftm-pwm". +- reg: Physical base address and length of the controller's registers +- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of + the cells format. +- clock-names : Should include the following module clock source entries: + "ftm_sys" (module clock, also can be used as counter clock), + "ftm_ext" (external counter clock), + "ftm_fix" (fixed counter clock), + "ftm_cnt_clk_en" (external and fixed counter clock enable/disable). +- clocks : Must contain a clock specifier for each entry in clock-names, + See clock/clock-bindings.txt for details of the property values. +- pinctrl-names: Must contain a "default" entry. +- pinctrl-NNN: One property must exist for each entry in pinctrl-names. + See pinctrl/pinctrl-bindings.txt for details of the property values. +- big-endian: If this property is absent, the little endian mode will be in + use as default, or the big endian mode will be in use for all the device + registers. + + +Example: + +pwm0: pwm@40038000 { + compatible = "fsl,vf610-ftm-pwm"; + reg = <0x40038000 0x1000>; + #pwm-cells = <3>; + clock-names = "ftm_sys", "ftm_ext", + "ftm_fix", "ftm_cnt_clk_en"; + clocks = <&clks VF610_CLK_FTM0>, + <&clks VF610_CLK_FTM0_EXT_SEL>, + <&clks VF610_CLK_FTM0_FIX_SEL>, + <&clks VF610_CLK_FTM0_EXT_FIX_EN>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0_1>; + big-endian; +};