From patchwork Fri Jun 16 15:58:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 776837 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wq4sX226xz9s5L for ; Sat, 17 Jun 2017 02:03:12 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752387AbdFPQCC (ORCPT ); Fri, 16 Jun 2017 12:02:02 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:45501 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752272AbdFPQAI (ORCPT ); Fri, 16 Jun 2017 12:00:08 -0400 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v5GFwuDc022824; Fri, 16 Jun 2017 17:59:33 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 2b4hrsr5wk-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 16 Jun 2017 17:59:33 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 531F831; Fri, 16 Jun 2017 15:59:32 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag5node3.st.com [10.75.127.15]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 1C78227BA; Fri, 16 Jun 2017 15:59:32 +0000 (GMT) Received: from localhost (10.75.127.44) by SFHDAG5NODE3.st.com (10.75.127.15) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Fri, 16 Jun 2017 17:59:31 +0200 From: Fabrice Gasnier To: , , , , CC: , , , , , , , , , Subject: [PATCH 3/8] dt-bindings: pwm: Add STM32 LPTimer PWM binding Date: Fri, 16 Jun 2017 17:58:41 +0200 Message-ID: <1497628726-7563-4-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1497628726-7563-1-git-send-email-fabrice.gasnier@st.com> References: <1497628726-7563-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-06-16_09:, , signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add documentation for STMicroelectronics STM32 Low Power Timer PWM binding. Signed-off-by: Fabrice Gasnier --- .../devicetree/bindings/pwm/pwm-stm32-lp.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt new file mode 100644 index 0000000..8eebe31 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt @@ -0,0 +1,24 @@ +STMicroelectronics STM32 Low Power Timer PWM + +STM32 LP Timer provides single channel PWM. + +Must be a sub-node of an STM32 LP Timer device tree node. +See ../mfd/stm32-lptimer.txt for details about the parent node. + +Required parameters: +- compatible: Must be "st,stm32-pwm-lp". + +Optional properties: +- A pinctrl state named "default" can be defined to set a pin in mode of + operation for PWM output on external pin. + +Example: + lptimer1: lptimer@0x40002400 { + compatible = "st,stm32-lptimer"; + ... + pwm { + compatible = "st,stm32-pwm-lp"; + pinctrl-names = "default"; + pinctrl-0 = <&lppwm1_pins>; + }; + };