From patchwork Sat Mar 11 05:11:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sasha Finkelstein via B4 Relay X-Patchwork-Id: 13170635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E26B1C678D5 for ; Sat, 11 Mar 2023 05:13:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Reply-To:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References: Message-Id:MIME-Version:Subject:Date:From:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ICO5/VEmdfjvf2h4A3qOUpuGACpq/W9Dj4kpSL+DxwM=; b=wZFXQFWUVJMi/q BvJqCuMhLAH6ktGPj3cpjbMgzEheWSzzyOUFYt0kzk6IOYFmm/BqBoujtFzCGnd0BWT/wHCW6VGle e+8oYtKSLjHAF8zImpBWRKwi6NdFCEfZdwN1aU8LMk+94xWgUkLtEHDtJG8Lp454LOa6hHLwwb0Sa 5JHUuWXy4H99x68zrod45rNsuPb7N2Q8S6qWtWJMf+KtaSL4r0voLH43CcabfucffhDmqrOe8hv6n f1TnbzCmNcFmwGUhh9OahES4eaZqZl/h+xvkGKArCh3DQTCUa+QnUC5S/NzY94BsKvDyn/Fo9QSwo kKg/4ZmGLCQDWfj/7jxA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1parWj-00H9T5-PC; Sat, 11 Mar 2023 05:12:17 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1parVk-00H92b-R8 for linux-arm-kernel@lists.infradead.org; Sat, 11 Mar 2023 05:11:19 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6CAE160B8B; Sat, 11 Mar 2023 05:11:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id C58BDC4339B; Sat, 11 Mar 2023 05:11:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678511472; bh=fNduKqqPUYV6F1M5u00Pcrdw5zzaBtWuks1TRf+NJ/0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=MaYyq6u2q4gTzLUWNR3uMcuvUFZiuEYyMbNk3ALY2JtmjHZatv/lDQMKqfj5D/MCp gdGEuOoQ9EkbqUVZefKdWoxuqvRBzYNHZJwKTd7hJtEbk7yTBJOkOlw6++I7Fb6Vgr YLwEoJ242X49lpSBvkkff25hYtkbpWjXuKaMUh7clsnK800cAfoxWrhxxiqzQi/Kv8 VXJGbQxip0np7JXmVqdX/9Hh4cSis42yKqar4PbddROlT/7BNsWkybJmLX3DGgvPov Oh7zDqXbe85N3EYSXuU86cTz/KLxih2jhDxQDcBlzkS4QHcGit7mF+cDsYMzYezhT8 ulcbI2p8sSBPw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3D4BC74A44; Sat, 11 Mar 2023 05:11:12 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Sat, 11 Mar 2023 06:11:09 +0100 Subject: [PATCH v9 1/5] dt-bindings: pwm: Add Apple PWM controller MIME-Version: 1.0 Message-Id: <20230214-fpwm-v9-1-dbe26bccabd6@gmail.com> References: <20230214-fpwm-v9-0-dbe26bccabd6@gmail.com> In-Reply-To: <20230214-fpwm-v9-0-dbe26bccabd6@gmail.com> To: Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= , Rob Herring , Krzysztof Kozlowski , - , Sasha Finkelstein , Hector Martin , Sven Peter , Alyssa Rosenzweig Cc: linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Krzysztof Kozlowski X-Mailer: b4 0.12.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1678511469; l=1759; i=fnkl.kernel@gmail.com; s=20230213; h=from:subject:message-id; bh=BeW75+AIFJcFrpFjOZabHWBRDLlSvckpqesK7uzTCx4=; b=sOhmmuQHIeKoSPIoyCT8Va7evoPNn7FIXJb4GEDaRyfcSgJp265hMnPNXMu6c3bmDL+FpFlc7 Owlr5oiX8mzBiak04U4IgVOsWtPXuN8eVMwI3xR0JL70x/wvhEUw0B8 X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=7LFSAJtxIWAs9LzCIyX0sSvCZy2wQTyEIu1zch6o804= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20230213 with auth_id=28 X-Original-From: Sasha Finkelstein X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230310_211116_990874_E2726CA0 X-CRM114-Status: GOOD ( 13.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: fnkl.kernel@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sasha Finkelstein 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 --- .../devicetree/bindings/pwm/apple,s5l-fpwm.yaml | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) 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>; + };