From patchwork Thu Jan 2 09:57:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 306099 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7839E2C00A3 for ; Thu, 2 Jan 2014 21:54:12 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751580AbaABKxw (ORCPT ); Thu, 2 Jan 2014 05:53:52 -0500 Received: from [207.46.163.25] ([207.46.163.25]:25283 "EHLO co9outboundpool.messaging.microsoft.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751519AbaABKxh (ORCPT ); Thu, 2 Jan 2014 05:53:37 -0500 Received: from mail51-co9-R.bigfish.com (10.236.132.227) by CO9EHSOBE012.bigfish.com (10.236.130.75) with Microsoft SMTP Server id 14.1.225.22; Thu, 2 Jan 2014 10:52:06 +0000 Received: from mail51-co9 (localhost [127.0.0.1]) by mail51-co9-R.bigfish.com (Postfix) with ESMTP id 5D36F4C010E; Thu, 2 Jan 2014 10:52:06 +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 mail51-co9 (localhost.localdomain [127.0.0.1]) by mail51-co9 (MessageSwitch) id 1388659923397437_22367; Thu, 2 Jan 2014 10:52:03 +0000 (UTC) Received: from CO9EHSMHS012.bigfish.com (unknown [10.236.132.254]) by mail51-co9.bigfish.com (Postfix) with ESMTP id 50E88C0004A; Thu, 2 Jan 2014 10:52:03 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO9EHSMHS012.bigfish.com (10.236.130.22) with Microsoft SMTP Server (TLS) id 14.16.227.3; Thu, 2 Jan 2014 10:52:03 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-004.039d.mgd.msft.net (10.84.1.14) with Microsoft SMTP Server (TLS) id 14.3.158.2; Thu, 2 Jan 2014 10:52:02 +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 s02ApfV1019354; Thu, 2 Jan 2014 03:51:59 -0700 From: Xiubo Li To: , , CC: , , , Xiubo Li Subject: [PATCHv8 4/4] Documentation: Add device tree bindings for Freescale FTM PWM. Date: Thu, 2 Jan 2014 17:57:04 +0800 Message-ID: <1388656624-26570-5-git-send-email-Li.Xiubo@freescale.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1388656624-26570-1-git-send-email-Li.Xiubo@freescale.com> References: <1388656624-26570-1-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%$TlsDn% X-FOPE-CONNECTOR: Id%0$Dn%FREESCALE.MAIL.ONMICROSOFT.COM$RO%1$TLS%0$FQDN%$TlsDn% Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org 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; +};