From patchwork Fri Oct 4 12:53:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 1171818 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=st.com header.i=@st.com header.b="gXvIsmAw"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46l8wF1XKLz9sQr for ; Fri, 4 Oct 2019 22:54:37 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387573AbfJDMy1 (ORCPT ); Fri, 4 Oct 2019 08:54:27 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:57822 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387690AbfJDMyZ (ORCPT ); Fri, 4 Oct 2019 08:54:25 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x94Cpg40007976; Fri, 4 Oct 2019 14:54:11 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=rnzvoLapup62xEU3qg28JHDE/fN/lvzvSo1oUmE5lRo=; b=gXvIsmAwnIC3KiMLDDGzeZtiwm3CDgVZJiZdxRVGlJ56oif6xSepVCbuMwhZx3CNGp4w 7HKx0y+sTIDRSPvnO6ULI5wLMTEziPSpq2poz6ReTzFBXLNwr678DOOmFMaAq/0QtMv7 NO4D5ojBZfsNirkE2TbOfSpP0R/y7mC7B1/uh9NtAzeLqhR/1Lxp932AhLGW0hJ+iFqd w42w1hrcn210XWLIEQ8jToKTRndNqVrUvG4fOlF8+G1Y+cYF5oZDQSveLqso4/EaJYn4 JLGW3J6Xr4sr+rB9UIsPEkrKrDBJh9p2l44YyfOOVHGpSVTHj5SB2g8whu88Z5fA0SMs jA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2vcem3fwgh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Oct 2019 14:54:11 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 27F7D100034; Fri, 4 Oct 2019 14:54:11 +0200 (CEST) Received: from Webmail-eu.st.com (Safex1hubcas21.st.com [10.75.90.44]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 11F422BFDEE; Fri, 4 Oct 2019 14:54:11 +0200 (CEST) Received: from SAFEX1HUBCAS22.st.com (10.75.90.92) by SAFEX1HUBCAS21.st.com (10.75.90.44) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 4 Oct 2019 14:54:10 +0200 Received: from localhost (10.48.0.192) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 4 Oct 2019 14:54:10 +0200 From: Fabrice Gasnier To: , , CC: , , , , , , , , , Subject: [PATCH v2 1/3] dt-bindings: pwm-stm32: document pinctrl sleep state Date: Fri, 4 Oct 2019 14:53:51 +0200 Message-ID: <1570193633-6600-2-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1570193633-6600-1-git-send-email-fabrice.gasnier@st.com> References: <1570193633-6600-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.192] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-04_06:2019-10-03,2019-10-04 signatures=0 Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Add documentation for pinctrl sleep state that can be used by STM32 timers PWM. Signed-off-by: Fabrice Gasnier Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/pwm/pwm-stm32.txt | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt index a8690bf..f1620c1 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt @@ -5,8 +5,9 @@ See ../mfd/stm32-timers.txt for details about the parent node. Required parameters: - compatible: Must be "st,stm32-pwm". -- pinctrl-names: Set to "default". -- pinctrl-0: List of phandles pointing to pin configuration nodes for PWM module. +- pinctrl-names: Set to "default". An additional "sleep" state can be + defined to set pins in sleep state when in low power. +- pinctrl-n: List of phandles pointing to pin configuration nodes for PWM module. For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - #pwm-cells: Should be set to 3. This PWM chip uses the default 3 cells bindings defined in pwm.txt. @@ -32,7 +33,8 @@ Example: compatible = "st,stm32-pwm"; #pwm-cells = <3>; pinctrl-0 = <&pwm1_pins>; - pinctrl-names = "default"; + pinctrl-1 = <&pwm1_sleep_pins>; + pinctrl-names = "default", "sleep"; st,breakinput = <0 1 5>; }; };