From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (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 28C2420409B for ; Mon, 3 Feb 2025 11:52:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738583551; cv=none; b=oLNm99WumxKQhZkswxdJc26rxwF7MScjzuVCRezki3ee4eKHYltm3da6rWLZSQXwQanSwlhfRH4FZrxW5+l9QYdmfWU8TibB5V4MeFMp2JouVZ1EeKuyd5G9E7Ac2hnAewjouCeqpqB+rY6eRQpdu4XBVOnh92kL4ZchJcu6eFU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738583551; c=relaxed/simple; bh=e4LCw8b9TArgBNatCS4iPLDcnxNGjb099gyuFiAoxA8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eaWNlhg9TCFCvLwjy9IwsNeYZsPam+2+0pv5T8YNPfh8FdTSZztO+dtxYFwUIFDD+Cx960AVaOq1CbONlDcPe2LHVh/ezm07/bLKXgxu0545/wR0OIXsc5t19NoF9Z5cqxanpnJrZa71b7soLyN809hpVQdb6ZsYKSlakCVhkr0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ndY7iwt2; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ndY7iwt2" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-215770613dbso55713215ad.2 for ; Mon, 03 Feb 2025 03:52:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1738583549; x=1739188349; darn=lists.linux.dev; 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=Bvsk07Lzw6XdWgB2cdXk97Y7I1cSDuStLmoSGezH+tI=; b=ndY7iwt2NtZYqhG+R/k9yyKCMIjdGjHR5KH07wJuaOzkcpqmlZRu6OjzJaCBVpjSeC PycvMR5vInAo2kus/PMjjcBSt+WsDnR9nnm/h7e4wEd5Vz1y9CAlOvidFb+ahzfE/tMm Xop4RG8QyvASh/WUBPGlEQSQ0UO0MWaWnsogFo/YvGKDeKpS8b5viQy2OtTtJAPya8uu sIltfB0RqWo9d4pJCICwL63nC6Z9gdT+5wSlZFHlF+qct1n1uDxsk4RmMoGe/Fq2OQtb xZXgYQDL958ZI/HJEgHZ2V/D28gjpRL5y0g1TfQ6RhlQ0UOYEadf94oc/Tw1K6VRAQbT t20Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738583549; x=1739188349; 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=Bvsk07Lzw6XdWgB2cdXk97Y7I1cSDuStLmoSGezH+tI=; b=GrCU8Yq1ntGS3kuQlyYTm7JHM3TZjkZRctiSvQxIlV4mLJL+T1Gf+G7wNBdYT4k8u9 HKgGZpHR0Sxd9HIXI6urfLOaJ/yuGr6RjRSrnrDzE3aKGuY316ilWD9OtdMyKH6aKMuY GCrlE6z6UPbFdq5lbCV9ATIFvNcHzVQ8cGBVIVuXMPOzIwQrDK3E3MkAAFPRgHXjt41b vFolgcVd1srfQJJWviwRxbIwdFbDtOzZ4tWji6yYxlRDv0jGCMkuN5WKQ9vm2VYoOjlv qgGs1OqvoC3hIcLBfgeADGH9ETZ77jXKnkSso71a5xVGVJaCpmfFQOisNxTdxwQzsvJc US/Q== X-Forwarded-Encrypted: i=1; AJvYcCVwCvrnLAAkj9SZAuXfi6IPtu7TEzp5RG8qWwPN2paGrG6HsP8MPr9Zm6ASgcHdBB4KI4o8GQ==@lists.linux.dev X-Gm-Message-State: AOJu0Yw1brndTVwwqedh3gvnHvaa/AjfJhiuRJ6jx7SnUkT9AioUS6Fl 6NNoZaJA6sUA9sWoYIRkIgtk54YKtlCL3gQT+Gnwzwek6mZjWIlu X-Gm-Gg: ASbGncv5P0PQ4rjWaZPWrCehWsHzkJajODdz7sejVJae2b+eQjTCJc8tuiT1b3j+OiS Emr1x6JhpH+aH8zTaA5YxI9kJYhtR5paj/zH1+aZggi7dZDWTm0qwAFSofdYEI4wcU/vUweu7LV HSda2Ar0tidsGmjknToOwSdWfa+g4Pgv+LCEUWcdYJnF9OdUvMgcKncOCFno0Gn/y8lyhsQn5YV 0VTYnz20wf2yeE5BjgggvQzSoqNWZp3qKhuNgCSgrMbMEaYDulnsxdBfdSypmpOycnhAhzk9amN lX6qiyJDJGCna0Ba X-Google-Smtp-Source: AGHT+IH1MtQsv7n9+03TmRQLhZL0KNOrrS14baU7/DtFKLh1qhS09XchSBq/EFGuV307S9+ypU09rw== X-Received: by 2002:a05:6a20:cd93:b0:1e1:afa9:d38a with SMTP id adf61e73a8af0-1ed7a48c85cmr32676039637.1.1738583549287; Mon, 03 Feb 2025 03:52:29 -0800 (PST) Received: from nick-mbp.. ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-72fe631c039sm8262408b3a.25.2025.02.03.03.52.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Feb 2025 03:52:28 -0800 (PST) From: Nick Chan To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller , Nick Chan , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH v5 RESEND 1/3] dt-bindings: leds: backlight: apple,dwi-bl: Add Apple DWI backlight Date: Mon, 3 Feb 2025 19:50:32 +0800 Message-ID: <20250203115156.28174-2-towinchenmi@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250203115156.28174-1-towinchenmi@gmail.com> References: <20250203115156.28174-1-towinchenmi@gmail.com> Precedence: bulk X-Mailing-List: asahi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add backlight controllers attached via Apple DWI 2-wire interface. Reviewed-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson (RISCstar) Signed-off-by: Nick Chan --- .../bindings/leds/backlight/apple,dwi-bl.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml b/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml new file mode 100644 index 000000000000..29caeb356e6f --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/apple,dwi-bl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple DWI 2-Wire Interface Backlight Controller + +maintainers: + - Nick Chan + +description: + Apple SoCs contain a 2-wire interface called DWI. On some Apple iPhones, + iPads and iPod touches with a LCD display, 1-2 backlight controllers + are connected via DWI. Interfacing with DWI controls all backlight + controllers at the same time. As such, the backlight controllers are + treated as a single controller regardless of the underlying + configuration. + +allOf: + - $ref: common.yaml# + +properties: + compatible: + items: + - enum: + - apple,s5l8960x-dwi-bl + - apple,t7000-dwi-bl + - apple,s8000-dwi-bl + - apple,t8010-dwi-bl + - apple,t8015-dwi-bl + - const: apple,dwi-bl + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + dwi_bl: backlight@20e200010 { + compatible = "apple,s5l8960x-dwi-bl", "apple,dwi-bl"; + reg = <0x2 0x0e200010 0x0 0x8>; + power-domains = <&ps_dwi>; + }; + }; -- 2.48.1