From patchwork Fri Sep 6 08:08:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 2854422 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 00EACC0AB5 for ; Fri, 6 Sep 2013 08:13:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C604220253 for ; Fri, 6 Sep 2013 08:13:06 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0B0D120251 for ; Fri, 6 Sep 2013 08:13:02 +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 1VHr9o-00009V-5e; Fri, 06 Sep 2013 08:12:44 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VHr9f-0001ob-0R; Fri, 06 Sep 2013 08:12:35 +0000 Received: from mail-db9lp0248.outbound.messaging.microsoft.com ([213.199.154.248] helo=db9outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VHr9b-0001mk-Jx for linux-arm-kernel@lists.infradead.org; Fri, 06 Sep 2013 08:12:32 +0000 Received: from mail216-db9-R.bigfish.com (10.174.16.248) by DB9EHSOBE034.bigfish.com (10.174.14.97) with Microsoft SMTP Server id 14.1.225.22; Fri, 6 Sep 2013 08:12:09 +0000 Received: from mail216-db9 (localhost [127.0.0.1]) by mail216-db9-R.bigfish.com (Postfix) with ESMTP id A8C6C60157; Fri, 6 Sep 2013 08:12:09 +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(zzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6hzz1de098h1de097h8275bhz2dh2a8h839he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h1155h) Received: from mail216-db9 (localhost.localdomain [127.0.0.1]) by mail216-db9 (MessageSwitch) id 137845512897726_2437; Fri, 6 Sep 2013 08:12:08 +0000 (UTC) Received: from DB9EHSMHS003.bigfish.com (unknown [10.174.16.231]) by mail216-db9.bigfish.com (Postfix) with ESMTP id 0A48E480046; Fri, 6 Sep 2013 08:12:08 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB9EHSMHS003.bigfish.com (10.174.14.13) with Microsoft SMTP Server (TLS) id 14.16.227.3; Fri, 6 Sep 2013 08:12:06 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.158.2; Fri, 6 Sep 2013 08:12:04 +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 r868BalW009067; Fri, 6 Sep 2013 01:12:00 -0700 From: Xiubo Li To: , Subject: [PATCHv3 4/4] Documentation: Add device tree bindings for Freescale FTM PWM. Date: Fri, 6 Sep 2013 16:08:27 +0800 Message-ID: <1378454907-22728-5-git-send-email-Li.Xiubo@freescale.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1378454907-22728-1-git-send-email-Li.Xiubo@freescale.com> References: <1378454907-22728-1-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-20130906_041231_871541_FE080F10 X-CRM114-Status: UNSURE ( 8.49 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) 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, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, rob.herring@calxeda.com, devicetree@vger.kernel.org, rob@landley.net, grant.likely@linaro.org, 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=-6.6 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 Document for Freescale FTM PWM driver under Documentation/devicetree/bindings/pwm/. Signed-off-by: Xiubo Li --- .../devicetree/bindings/pwm/pwm-fsl-ftm.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 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..e736806 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt @@ -0,0 +1,36 @@ +Freescale 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 : Includes the following module clock source entries: + "ftm0" (system clock), + "ftm0_fix_sel" (fixed frequency clock), + "ftm0_ext_sel" (external clock) +- clocks : Must contain an entry list for entries in clock-names. +- fsl,pwm-counter-clk: The FTM PWM counter clock source, should be one of the + entries in clock-names. +- For each channel's pinctrl, the "chN-active" and "chN-idle" states should be + implemented at the same time. + +Example: + +pwm0: pwm@40038000 { + compatible = "fsl,vf610-ftm-pwm"; + reg = <0x40038000 0x1000>; + #pwm-cells = <3>; + clock-names = "ftm0", "ftm0_fix_sel", "ftm0_ext_sel"; + clocks = <&clks VF610_CLK_FTM0>, + <&clks VF610_CLK_FTM0_FIX_SEL>, + <&clks VF610_CLK_FTM0_EXT_SEL>; + pinctrl-names = "ch0-active", "ch0-idle", "ch1-active", "ch1-idle", + ....; + pinctrl-0 = <&pinctrl_pwm0_ch0_active>; + pinctrl-1 = <&pinctrl_pwm0_ch0_idle>; + pinctrl-2 = <&pinctrl_pwm0_ch1_active>; + pinctrl-3 = <&pinctrl_pwm0_ch1_idle>; + ... + fsl,pwm-counter-clk = "ftm0_ext_sel"; +};