From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 AA029C28CC3 for ; Wed, 29 May 2019 12:25:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F98721670 for ; Wed, 29 May 2019 12:25:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726917AbfE2MZf (ORCPT ); Wed, 29 May 2019 08:25:35 -0400 Received: from mail.steuer-voss.de ([85.183.69.95]:53054 "EHLO mail.steuer-voss.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726840AbfE2MZf (ORCPT ); Wed, 29 May 2019 08:25:35 -0400 X-Virus-Scanned: Debian amavisd-new at mail.steuer-voss.de Received: from pc-niv.weinmann.com (localhost [127.0.0.1]) by mail.steuer-voss.de (Postfix) with ESMTP id 23E174BB0E; Wed, 29 May 2019 14:18:39 +0200 (CEST) From: Nikolaus Voss To: "Rafael J. Wysocki" , Len Brown , Robert Moore , Erik Schmauss , Jacek Anaszewski , Pavel Machek , Dan Murphy , Thierry Reding Cc: Nikolaus Voss , linux-acpi@vger.kernel.org, devel@acpica.org, linux-leds@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH 0/3] PWM framework: add support referencing PWMs from ACPI Date: Wed, 29 May 2019 14:18:19 +0200 Message-Id: X-Mailer: git-send-email 2.17.1 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org As described in Documentation/firmware-guide/acpi/gpio-properties.rst a GPIO can be referenced from ACPI ASL _DSD with the "gpios"-property of the form: Package () { "gpios", Package () { ref, index, pin, active_low }} The second patch of this series adds support for specifing a PWM reference in ASL of the form Package () { "pwms", Package () { ref, index, pwm-period [, pwm flags]}} The first patch of this series is necessary to resolve the "ref" in ASL if the table has been loaded by efivar_ssdt_load() or configfs. The third patch of this series makes leds-pwm use the ACPI-enabled PWM framework. Nikolaus Voss (3): ACPI: Resolve objects on host-directed table loads PWM framework: add support referencing PWMs from ACPI leds-pwm.c: support ACPI via firmware-node framework drivers/acpi/acpi_configfs.c | 6 +- drivers/acpi/acpica/tbxfload.c | 11 ++++ drivers/leds/leds-pwm.c | 44 +++++++------ drivers/pwm/core.c | 112 +++++++++++++++++++++++++++++++++ include/linux/pwm.h | 9 +++ 5 files changed, 159 insertions(+), 23 deletions(-) -- 2.17.1