From patchwork Tue Aug 18 05:49:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rahul Tanwar X-Patchwork-Id: 253661 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21D74C433E1 for ; Tue, 18 Aug 2020 05:49:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C2912075B for ; Tue, 18 Aug 2020 05:49:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726631AbgHRFtU (ORCPT ); Tue, 18 Aug 2020 01:49:20 -0400 Received: from mga09.intel.com ([134.134.136.24]:47304 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726228AbgHRFtT (ORCPT ); Tue, 18 Aug 2020 01:49:19 -0400 IronPort-SDR: kxvHZXnIuRuVGWsgC0mpJ98lE/Vd9h54i5zGrzbjmFxVgCfPsN5l8d3h2wcmpamiz4YbBu/qTx bqgbu/rKxMZg== X-IronPort-AV: E=McAfee;i="6000,8403,9716"; a="155928944" X-IronPort-AV: E=Sophos;i="5.76,326,1592895600"; d="scan'208";a="155928944" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Aug 2020 22:49:18 -0700 IronPort-SDR: 2r4oizdbtCbzxCiA8qrrdV2WRmK0KB9faF4XiZK1hQ5AbXTBcdZC95K/68qxIPDwr3fnzkIq4Z RfdlKr9/NBEw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,326,1592895600"; d="scan'208";a="279310662" Received: from sgsxdev001.isng.intel.com (HELO localhost) ([10.226.88.11]) by fmsmga008.fm.intel.com with ESMTP; 17 Aug 2020 22:49:15 -0700 From: Rahul Tanwar To: u.kleine-koenig@pengutronix.de, linux-pwm@vger.kernel.org, lee.jones@linaro.org Cc: thierry.reding@gmail.com, p.zabel@pengutronix.de, robh+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, andriy.shevchenko@intel.com, songjun.Wu@intel.com, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, rahul.tanwar.linux@gmail.com, rtanwar@maxlinear.com, Rahul Tanwar Subject: [PATCH v7 1/2] Add DT bindings YAML schema for PWM fan controller of LGM SoC Date: Tue, 18 Aug 2020 13:49:00 +0800 Message-Id: <071226b34783c8ab2ce44f8cc50ec00c04fbdd2b.1597729246.git.rahul.tanwar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Intel's LGM(Lightning Mountain) SoC contains a PWM fan controller which is only used to control the fan attached to the system. This PWM controller does not have any other consumer other than fan. Add DT bindings documentation for this PWM fan controller. Signed-off-by: Rahul Tanwar --- .../devicetree/bindings/pwm/intel,lgm-pwm.yaml | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml diff --git a/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml new file mode 100644 index 000000000000..289b82213e23 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/intel,lgm-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LGM SoC PWM fan controller + +maintainers: + - Rahul Tanwar + +properties: + compatible: + const: intel,lgm-pwm + + reg: + maxItems: 1 + + "#pwm-cells": + const: 2 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + pwm-fanmode: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Specifies PWM fan mode. Default when unspecified is 2. + + pwm-maxrpm: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: + Specifies maximum RPM of PWM fan attached to the system. + Default when unspecified is 4000. + +required: + - compatible + - reg + - clocks + - resets + +additionalProperties: false + +examples: + - | + pwm: pwm@e0d00000 { + compatible = "intel,lgm-pwm"; + reg = <0xe0d00000 0x30>; + #pwm-cells = <2>; + clocks = <&cgu0 126>; + resets = <&rcu0 0x30 21>; + };