From nobody Tue Oct 7 18:26:06 2025 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFB7E2E0938 for ; Tue, 8 Jul 2025 15:00:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751986824; cv=none; b=Mq14IKU+RXEWvvbA1xhn3w07q/wENIay5/bbDTCj3xzYbjWBlMeDSDyyANTlL42iX2saejyIalVPsiNCMQPr0tddhMkgOi41dFYRg0n27v5tGezex+jrdBVPKiRn0swfnqznzPEC+DP7XGduB/5hd5S8Vhc9JfHTGRTk7A9zmZg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751986824; c=relaxed/simple; bh=oubSlw9c6CwwNGJChX5pk5uvHul9AR5futtvxpba9J8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gyFjd54E3FgjUTbDWNulVKbsrmAN/BY4lcRbxVRQ7eQcCwCtfvi9oWSsGHQ+EBvC2CXj8gM0+HuxTLUe/34eFXqRaxHdylv2fQk9gzd2AJMTu5zDwKuOnTUtpKPKoUcVHJUBZVDeG7ChdI0G5XToDlycyTZ/A+jXn8mN+TTBLSs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=thegoodpenguin.co.uk; spf=pass smtp.mailfrom=thegoodpenguin.co.uk; dkim=pass (2048-bit key) header.d=thegoodpenguin-co-uk.20230601.gappssmtp.com header.i=@thegoodpenguin-co-uk.20230601.gappssmtp.com header.b=biu4aKAC; arc=none smtp.client-ip=209.85.128.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=thegoodpenguin.co.uk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=thegoodpenguin.co.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=thegoodpenguin-co-uk.20230601.gappssmtp.com header.i=@thegoodpenguin-co-uk.20230601.gappssmtp.com header.b="biu4aKAC" Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-454b1d0a115so15387845e9.2 for ; Tue, 08 Jul 2025 08:00:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thegoodpenguin-co-uk.20230601.gappssmtp.com; s=20230601; t=1751986819; x=1752591619; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=XYl+uMBjHYHOG7bkXi/XB3f8f6YY8kSh6gh2qtJwtzA=; b=biu4aKACauSb4umshrzMzEgm2E4u2EAxc3C5L1iv4BFOpn7jNR53S476Y0NtzOm7t9 tz9r51wcYX7375E8BhKMT0u+nATXuRwB0BeiqhDAcub8m6QQKFVycccexEX/ULjACp4Z o3/FEP+fqipMG7xNJ6lcY2JHWgWC5LWsh60IYQeOQWMRJTs2ofkj0KhMt9pSDuu1baUc jxhxq34cDZTg/aRudvAkI1F6PL7vBqwm68C18N29teUHFOW4BnOl7GY21hPQwzGnUFqn lC453SEzxXZK9Vt08TFq3EWlu0B9fwrTMM/QFR2/qDFNM3l/9hngqsjEQb970uFUHbpG WC9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751986819; x=1752591619; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XYl+uMBjHYHOG7bkXi/XB3f8f6YY8kSh6gh2qtJwtzA=; b=ow28lZPVOs8cOY4thEtaWItqnUIyJ8yptMNliEZlZ7TecBXHUeULNuFiolPE+lOUzk DZCT7AGW2fgO9m3yxkTaAE3dOI09OuV8EGjug2i3aLYQxI2KbuppxHw7hQlBs7BqsNkY S41jdCw5uihIL80AM2ua4vFL8TaUHIz0mZlE19OklCtLb5IWVba6FncHTwBPUTdSTdrd pmL2a9GNNTVcohkHiKCsrLbvs0dQrpr3dENcyJEhD1IZLQxmIgXzRgSK4qMzYNJEiN6i 1Si+oLyo45mJ2RDAD2pIfuM6hSZ6DnQyfaWo9b2P+hKtchi8Ld1jlrrTh8yzYQmCEasr BsfQ== X-Forwarded-Encrypted: i=1; AJvYcCUzPeCr95ZPWWpE4+c0iMrCJ+BkpidZkWzzG1MVvtv5rDpIoua0X5XSB5V0xfDMnHuXb8GJLVB+y/zLmF8=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1+DMSooOrAN6drHGj/U96gKMz9w5p716PJ51z+AfIwJH4zt/6 tiIg9/8ZfuzFlgOL5akw7m4OVKIGACHX7ETfSo3tw9Gc1h+cK0UFhbJP4laqCh+XsJEk1d3tmES rtSXxk5c= X-Gm-Gg: ASbGncuO8rg//ooRF8P66qJk1h74QbELq3NW4PwozusDVzIBMz+snG0VWVKNeIxh7W3 fZHXA78pHUtuzHePQF2pvgjaLL9RLMmrIDPNTK+/UKEKwCMkOFCdFDdUd8Y4vpZQH1OKa6QDXMW 5d8IVvXL0KuW7L3g49WCueI34a0DKv3HMuvfaEUHXRYCNjwNkZ7Jn3StPCtxPvQ7wM9M1RO9qFi c+10x1HO56SSa7YnGfe/exHbR6BgC+uKr8RxmoTJYngeZEhpAolzy5AP7sBGOrGXsouMm0s9wkJ wU4r05GhwaFEYNNFmz6xR7xxT4a5fIfAFkLiy6ovdVAZZQs89liALJZ+bGGVl6NONXz7Hlp4oL5 jFH0= X-Google-Smtp-Source: AGHT+IFlo7yukXz1+RpPI+9aM+Wv+VR26H54kHPCJ0VBY6icdoCFLAGnDf70y3tI5+eVHEmKCs6qtg== X-Received: by 2002:a05:600c:1c06:b0:450:d3b9:4ba4 with SMTP id 5b1f17b1804b1-454b4e682ebmr166687725e9.2.1751986819301; Tue, 08 Jul 2025 08:00:19 -0700 (PDT) Received: from [127.0.1.1] ([2a00:23c7:1d1a:9c01:f9da:8274:e1d1:97ce]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b47030b4f6sm13517433f8f.10.2025.07.08.08.00.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Jul 2025 08:00:18 -0700 (PDT) From: Pawel Zalewski Date: Tue, 08 Jul 2025 15:59:47 +0100 Subject: [PATCH v3 3/3] dt-bindings: leds: issi,is31fl3236: add issi,22kHz-pwm property Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250708-leds-is31fl3236a-v3-3-d68979b042dd@thegoodpenguin.co.uk> References: <20250708-leds-is31fl3236a-v3-0-d68979b042dd@thegoodpenguin.co.uk> In-Reply-To: <20250708-leds-is31fl3236a-v3-0-d68979b042dd@thegoodpenguin.co.uk> To: Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, Pavel Machek , devicetree@vger.kernel.org, Pawel Zalewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1751986814; l=1098; i=pzalewski@thegoodpenguin.co.uk; s=20250625; h=from:subject:message-id; bh=oubSlw9c6CwwNGJChX5pk5uvHul9AR5futtvxpba9J8=; b=LBQ1yPV/JzboE//xuT/t1MfJoj3jNSbBfc86H1rwbBeRybamxiXNZS2wzbfmz+da+JbhLGweW nZuDXpKQnACDWBCqmmsdkV2yYF8gC2MHfA8H0Ak5QK09N0soZnVl4wF X-Developer-Key: i=pzalewski@thegoodpenguin.co.uk; a=ed25519; pk=hHrwBom/yjrVTqpEvKpVXLYfxr6nqBNP16RkQopIRrI= Add an additional and optional control property for setting the output PWM frequency to 22kHz. The default is 3kHz and this option puts the operational frequency outside of the audible range. Signed-off-by: Pawel Zalewski --- Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml b/= Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml index d0f9add5af01ac06c4bb87b0cd0faec71d0ef37c..5bce0fc48f84c7ae804e6522e31= 2c51ed2d77bc5 100644 --- a/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml +++ b/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml @@ -42,6 +42,12 @@ properties: "#size-cells": const: 0 =20 + issi,22kHz-pwm: + type: boolean + description: + When present, the chip's PWM will operate at ~22kHz as opposed + to ~3kHz to move the operating frequency out of the audible range. + patternProperties: "^led@[1-9a-f]+$": type: object --=20 2.48.1