From patchwork Wed Jan 25 15:10:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sasha Finkelstein X-Patchwork-Id: 48184 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp325536wrn; Wed, 25 Jan 2023 07:12:20 -0800 (PST) X-Google-Smtp-Source: AMrXdXvJj5vRGimjZhEPzRJCaAGV8qFvuDpZdFnK5BPkOhEtmLyG2v7Wh1RBe8RHnOTU9avlQ57m X-Received: by 2002:a05:6402:43cf:b0:49b:b1ab:f216 with SMTP id p15-20020a05640243cf00b0049bb1abf216mr36140029edc.11.1674659540334; Wed, 25 Jan 2023 07:12:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674659540; cv=none; d=google.com; s=arc-20160816; b=XGA9DV9Sot5bP0S4WW9qMejk6lqmjdt8AQEw1WMjbcUZ/Bj6xHE1BJI4CHpmMLzpRV xSsn+3sDf6yQrmti1DTu8x3eQQLcqOlbwI7McOsUp1+su2G1AkqPVZnK96O8+x+zpeqL mElme1MXLoBAoKBpVAttsxefNALBOkIJMtCVoCAoR66lqiNWWy8rYQLa1x4CtqBGVioR 5vXUF9aygoNhu57ys/SD02TjR0WBxAwg/BUhApMj1SlFDqj5iGw8HpfJ0Siy/+ytxiIY cdn2gx2A1rz1gcWMpHeiboMvDKyDWoGB126ioYylz/QNhMH/fyXf1Lz+rUhrE30rFUND wjjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=JMgaDJtZLf0fVkrvvvFmKyuEHKwNDq3ilxVvVO94hafFAZaJ7Qyj8ya0HGFD11onpb NWPVo4TavOy9m1wdHrcjXTS6ghG+07gPM34aQCWzMJ2pkRL1FTIS8LSkQs5ptSAItHdb OPS110IivEliJPLSUKMjbO+WAOapoBUnX0jC+bG/iy56Y/1+zrwBFnjps6n5i3WnZK2A oHxhRL+t6YkaEeITFTJeDrejyQ0gNPGvXZXGiGzci1t0y5fBnUcNenbpPlWIMnw+VvKV hswolOWFeZj3hx9KjcBBFvsCo9HcXzZ4KfZA8TPx/Fo7p/ygiTOYsVoSaV0GjDtn0XDa czrQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=ahtGBzXJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id s10-20020a056402014a00b00499e590d47esi6176034edu.36.2023.01.25.07.11.55; Wed, 25 Jan 2023 07:12:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=ahtGBzXJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235973AbjAYPLJ (ORCPT + 99 others); Wed, 25 Jan 2023 10:11:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235970AbjAYPLI (ORCPT ); Wed, 25 Jan 2023 10:11:08 -0500 Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9BCF577C3; Wed, 25 Jan 2023 07:11:05 -0800 (PST) Received: by mail-wm1-x336.google.com with SMTP id q10-20020a1cf30a000000b003db0edfdb74so2658571wmq.1; Wed, 25 Jan 2023 07:11:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=ahtGBzXJtFuPzd0YkuxCd/KNvneyK5hNhBtxCyDok0bmmfzkA61L1PVcwdXDyYVd8j ZWhDdz9OXQCZ95mAAk3Sw7HS1SA0qZYOJ75si6XBZ85tW70ux8fwL1xmLi5YplYW9z2a PH041UV2DgwwizTC+w20XPFaHaQZUOZiQ9lDUH+jQEaZQptQNcU3Fcl1/0+NDdzMmmte 7mW/hiIyrLN1j7QGBH+wRbNCOmKP3IsrkUnPah1SGSQ3zYxfGUF2EwuSMrCz0DvHj4bu c6Ma6go8K5KIFjNDud9ycHukymznll+Dg9ShlbbSIfTJDCWcvZcman0/qVvK6R3xP87Q c9Qw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=ZRLSdqKu1+Isq5ik2/3ZBG5xLcUbQZsHvFUDdVMXT/D75EhqGCsyraTGI9HmOUSPxz 1oCO6y80u4RU5DXPZwm1fN/7P8lybpAkyd1KiCGFbTjmiSDqeJ3QPKjP6NCs7aQLHTNn 3GfXwmWQ/jmmPCPJz72r44LIFtyS17/epvKbFm0bOmUc50XuJdTHeYM60RWlhfZj9o8b NsgLa9dacIlYde++uHOAs2CYXcgwe7ljD7g/OeqhvQxrbEcqMX93XM/+RvZWmfPFTBro 7aziEKySn73lnl44X3tbJXD1gdD+RN/jMwvLvOJwck8cEx15kEgzaco9w9NOlmFfPTh6 JTuw== X-Gm-Message-State: AFqh2krrudE31V3lO4QAdxvccS01l+z3LWTVDAIK07zAcOwLVGyL7/69 mknNZIZeZ6RYOPWoqk7uRhc= X-Received: by 2002:a05:600c:310e:b0:3db:eb0:6f6 with SMTP id g14-20020a05600c310e00b003db0eb006f6mr28834474wmo.13.1674659464119; Wed, 25 Jan 2023 07:11:04 -0800 (PST) Received: from localhost ([82.222.96.52]) by smtp.gmail.com with UTF8SMTPSA id t19-20020a1c7713000000b003c71358a42dsm2528563wmi.18.2023.01.25.07.11.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Jan 2023 07:11:03 -0800 (PST) From: Sasha Finkelstein To: u.kleine-koenig@pengutronix.de, thierry.reding@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: marcan@marcan.st, sven@svenpeter.dev, alyssa@rosenzweig.io, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein , Krzysztof Kozlowski Subject: [PATCH v7 1/5] dt-bindings: pwm: Add Apple PWM controller Date: Wed, 25 Jan 2023 18:10:37 +0300 Message-Id: <20230125151041.55483-2-fnkl.kernel@gmail.com> X-Mailer: git-send-email 2.37.1 (Apple Git-137.1) In-Reply-To: <20230125151041.55483-1-fnkl.kernel@gmail.com> References: <20230125151041.55483-1-fnkl.kernel@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756007802018312819?= X-GMAIL-MSGID: =?utf-8?q?1756007802018312819?= Apple SoCs such as the M1 contain a PWM controller used among other things to control the keyboard backlight. Signed-off-by: Sasha Finkelstein Reviewed-by: Krzysztof Kozlowski Acked-by: Sven Peter --- .../bindings/pwm/apple,s5l-fpwm.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml diff --git a/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml new file mode 100644 index 000000000000..142157bff0cd --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/apple,s5l-fpwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple FPWM controller + +maintainers: + - asahi@lists.linux.dev + - Sasha Finkelstein + +description: PWM controller used for keyboard backlight on ARM Macs + +properties: + compatible: + items: + - enum: + - apple,t8103-fpwm + - apple,t6000-fpwm + - apple,t8112-fpwm + - const: apple,s5l-fpwm + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#pwm-cells": + const: 2 + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + pwm@235044000 { + compatible = "apple,t8103-fpwm", "apple,s5l-fpwm"; + reg = <0x35044000 0x4000>; + power-domains = <&ps_fpwm1>; + clocks = <&clkref>; + #pwm-cells = <2>; + };