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=-2.8 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 97052C31E48 for ; Wed, 12 Jun 2019 08:36:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 736EC215EA for ; Wed, 12 Jun 2019 08:36:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727834AbfFLIgk (ORCPT ); Wed, 12 Jun 2019 04:36:40 -0400 Received: from mail.steuer-voss.de ([85.183.69.95]:43404 "EHLO mail.steuer-voss.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726533AbfFLIgk (ORCPT ); Wed, 12 Jun 2019 04:36:40 -0400 Received: from pc-niv.weinmann.com (localhost [127.0.0.1]) by mail.steuer-voss.de (Postfix) with ESMTP id AB75E4D037; Wed, 12 Jun 2019 10:36:36 +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, linux-kernel@vger.kernel.org, nv@vosn.de Subject: [PATCH v2 0/3] PWM framework: add support referencing PWMs from ACPI Date: Wed, 12 Jun 2019 10:36:05 +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. v2: - fixes by Pavel Machek and Dan Murphy 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 | 45 +++++++------ drivers/pwm/core.c | 113 +++++++++++++++++++++++++++++++++ include/linux/pwm.h | 9 +++ 5 files changed, 161 insertions(+), 23 deletions(-) -- 2.17.1