From nobody Fri Sep 12 02:51:07 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3412EC761AF for ; Mon, 3 Apr 2023 14:19:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233095AbjDCOTn (ORCPT ); Mon, 3 Apr 2023 10:19:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233056AbjDCOTf (ORCPT ); Mon, 3 Apr 2023 10:19:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 724842CAC5; Mon, 3 Apr 2023 07:19:33 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 1C342B81BAC; Mon, 3 Apr 2023 14:19:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id B5CB8C4339C; Mon, 3 Apr 2023 14:19:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680531570; bh=I2XCbxG9Cbk2qSclumqecDS7C4Bp3/lDRqXhcL+ocBo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=OgdnG2BjHoXDgR8FvFMFVT3PPtnozlBqAuzBkxejQDz6peADWPYvVG+246aqJh6YS Oo8HHoLB4Nx5jjOCSMDt5+XT9NlNyziIbX7BBkShXpKO80q0xlg6rVTrfvgfudIEYM LvFTZqCWItqqpkYqNOoAaU2wg4/DFDh7/Mq59xwLocrY0hdIyNAb1BKIVn5m35TdOD qF4Sr+XQLw8wPVLbamIbNWC+0DciG7qzGOQbEsNocI6jb5AlV7VrvfWGrBiWhmarUo BLENzNtxT1GyYcGJJKgCGDZpZcBkXRZsz2TMDsc/htcXUSBmO9MSjdGnm0UhOu7aoi ci1uyLncNrApw== 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 A51EEC761A6; Mon, 3 Apr 2023 14:19:30 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Mon, 03 Apr 2023 16:19:19 +0200 Subject: [PATCH RESEND v9 1/5] dt-bindings: pwm: Add Apple PWM controller MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230214-fpwm-v9-1-f3094107b16b@gmail.com> References: <20230214-fpwm-v9-0-f3094107b16b@gmail.com> In-Reply-To: <20230214-fpwm-v9-0-f3094107b16b@gmail.com> To: Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , 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=1680531567; l=1757; i=fnkl.kernel@gmail.com; s=20230213; h=from:subject:message-id; bh=fzyNZVqrFDfSog+FhRnUURMW1j9jGTz6NT8Jga2kj0o=; b=wDTSDAUYv+YS7AQm51X0oCt+TNnZit097fgSHKyaRA8XFZb1Bigm3JPCyRN/bU2glqWtE1K1x azQ0CiYprBRCOUhptGHBTYOuUaHmO3IRn3VirrYCzdTjaJXRSAFM/K0 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 Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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/Do= cumentation/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 =3D "apple,t8103-fpwm", "apple,s5l-fpwm"; + reg =3D <0x35044000 0x4000>; + power-domains =3D <&ps_fpwm1>; + clocks =3D <&clkref>; + #pwm-cells =3D <2>; + }; --=20 Git-143)