From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9533D1173F for ; Mon, 7 Oct 2024 01:31:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728264682; cv=none; b=ZPBVvCdN+7yihWSP2S0QmbYResnrx6DeafpZqt3wxfc1rSla0TaqStZjvx90xCyLF0F8JnH2fTFUSuR1khaDOhY3kvNNRsJy0Zr7m39En4d+HPaUD1kUZNB4fotzTx2F9DCf+hI/GlPE+aW1yW1/mm9w2xSZAP8LZhn390tiF20= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728264682; c=relaxed/simple; bh=7v8EkhMDv+Jx4uOPQGK7HMrlgEz0giZggGqCi8QC6H0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gLnQYFp5OcfrqogDub5lz6NtMjHo7GkZcFvsCRphXkG6lFl7FZDx0JykkawqKr4w55yxaELKQXQPyOGB7BsfJKRdICs5oiKHxGLXvU00TtnoJTrGwRxeKIDG8FhtIGUIqBIPbdGGtN++uup2SNvWc3X9bA8dPI3qHYSQRBAxtMA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=F75WRA8t; arc=none smtp.client-ip=140.211.166.133 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="F75WRA8t" Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 1B0E74018A for ; Mon, 7 Oct 2024 01:31:21 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org X-Spam-Flag: NO X-Spam-Score: -2.099 X-Spam-Level: Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id VnVnnBxJu0KX for ; Mon, 7 Oct 2024 01:31:20 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2607:f8b0:4864:20::731; helo=mail-qk1-x731.google.com; envelope-from=lanzano.alex@gmail.com; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp2.osuosl.org BF5C5400DD Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=none dis=none) header.from=gmail.com DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org BF5C5400DD Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=F75WRA8t Received: from mail-qk1-x731.google.com (mail-qk1-x731.google.com [IPv6:2607:f8b0:4864:20::731]) by smtp2.osuosl.org (Postfix) with ESMTPS id BF5C5400DD for ; Mon, 7 Oct 2024 01:31:19 +0000 (UTC) Received: by mail-qk1-x731.google.com with SMTP id af79cd13be357-7ae3d9a93c0so415933085a.3 for ; Sun, 06 Oct 2024 18:31:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728264678; x=1728869478; darn=lists.linuxfoundation.org; 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=j3ksh4XUKkffbY/duSvAxp7lxaY240eNih1Cc+96aTE=; b=F75WRA8tvsfKrahFXtajUNVponfA4KK+PY2opDe2AMrN++2YAS4zgLzVYT57x43Itz wqjNnDCUPmA1EPPmngrza6pkpy3UXMtF78Oyvx3fJfv+2ULiStQmaLsddCvRqGc6VW1O nO7f4qYMM8mfz6UyGT4GNyfyFXonjXISR5ILc1Tr6gGwQ9hOcR18n6x2TnOvs6tFlAL9 CAsthPUMIWU7/0igEjR0M1ScrOKwRxh+xmDqD0ZBh7HXq3E3iWHNytYjr3OlT9N9nSOO 9dRv/7RfWeZgrA+eBudAl9wAkPkPxU/ciG0XLxYotyP2d3xgx8PHCeKr07EvFZe6kcas 9xDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728264678; x=1728869478; 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=j3ksh4XUKkffbY/duSvAxp7lxaY240eNih1Cc+96aTE=; b=JeMuUs90r54Av2c4rfwhaEhFz8jdeggEjdqPAQLrEHoPUKlAa7PNjB8zpj9WXIE/wi SYeBr1F84mYMsDvkmYJrLoiuWv+2b9cr+PeaMG7bLRax9Li+KaoEbEiTV21cN+C2hDWU Ch+DiquaSPNWdfj4XwymWhliXu6s8Vmc8gel4xWDD9TXhD+wGXkHak1KDoUVO+9KUGVO usukgLLbgK6q4XrfHXq14cHpPkMeyMBKpbI7YpwlF34CGInUgyXwHldsWxMZ22d2fFYu cc403mKKFXtVCKDcayg4PjQJhPMVUGJ5amgSdOd9yfie+EVMkf/J4ETFlPyyYanJ3x68 0MCQ== X-Forwarded-Encrypted: i=1; AJvYcCXnl/BZMbMSN7R+3C8+3aSEjpBv1MZTjVQjxEzzkSZDCo5J7jR+vjwKlVA+uFqNVw21YJZ4oaVamHct6g0HaUOgX4ow6Q==@lists.linuxfoundation.org X-Gm-Message-State: AOJu0YyZiq817O+34duBIS8JjF9urxUywEldXvpCCUWSnALlL8EQpy6o RikteG/hDLWjH1sXwQeZdMtchnjF7iS8itDvk+CpSPj1Gi8McZuN X-Google-Smtp-Source: AGHT+IHfkg0cGT4jshIHtr7s47CTUFILrvkTDKQ6NMGzBzbAdTlKcS6WdQJISVBiQ/o7R1qiaHbtgQ== X-Received: by 2002:a05:620a:2413:b0:7a9:b605:f823 with SMTP id af79cd13be357-7ae6f4547b9mr1781299685a.37.1728264678271; Sun, 06 Oct 2024 18:31:18 -0700 (PDT) Received: from localhost.localdomain (ool-1826d901.dyn.optonline.net. [24.38.217.1]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7ae757627fdsm207326985a.100.2024.10.06.18.31.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Oct 2024 18:31:17 -0700 (PDT) From: Alex Lanzano To: u.kleine-koenig@baylibre.com, Alex Lanzano , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Mehdi Djait , Dmitry Baryshkov Cc: skhan@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org, Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH v9 1/2] dt-bindings: display: Add Sharp Memory LCD bindings Date: Sun, 6 Oct 2024 21:30:05 -0400 Message-ID: <20241007013036.3104877-2-lanzano.alex@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241007013036.3104877-1-lanzano.alex@gmail.com> References: <20241007013036.3104877-1-lanzano.alex@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add device tree bindings for the monochrome Sharp Memory LCD Co-developed-by: Mehdi Djait Signed-off-by: Mehdi Djait Signed-off-by: Alex Lanzano Reviewed-by: Krzysztof Kozlowski --- .../bindings/display/sharp,ls010b7dh04.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml diff --git a/Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml b/Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml new file mode 100644 index 000000000000..8097f091c2a5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sharp,ls010b7dh04.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sharp Memory LCD panels + +maintainers: + - Alex Lanzano + +description: + Sharp Memory LCDs are a series of monochrome displays that operate over + a SPI bus. The displays require a signal (VCOM) to be generated to prevent + DC bias build up resulting in pixels being unable to change. Three modes + can be used to provide the VCOM signal ("software", "external", "pwm"). + +properties: + compatible: + enum: + - sharp,ls010b7dh04 + - sharp,ls011b7dh03 + - sharp,ls012b7dd01 + - sharp,ls013b7dh03 + - sharp,ls013b7dh05 + - sharp,ls018b7dh02 + - sharp,ls027b7dh01 + - sharp,ls027b7dh01a + - sharp,ls032b7dd02 + - sharp,ls044q7dh01 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 2000000 + + sharp,vcom-mode: + $ref: /schemas/types.yaml#/definitions/string + description: | + software - This mode relies on a software operation to send a + "maintain display" message to the display, toggling the vcom + bit on and off with each message + + external - This mode relies on an external clock to generate + the signal on the EXTCOMM pin + + pwm - This mode relies on a pwm device to generate the signal + on the EXTCOMM pin + + enum: [software, external, pwm] + + enable-gpios: true + + pwms: + maxItems: 1 + description: External VCOM signal + +required: + - compatible + - reg + - sharp,vcom-mode + +allOf: + - $ref: panel/panel-common.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + + - if: + properties: + sharp,vcom-mode: + const: pwm + then: + required: + - pwms + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "sharp,ls013b7dh03"; + reg = <0>; + spi-cs-high; + spi-max-frequency = <1000000>; + sharp,vcom-mode = "software"; + }; + }; +... -- 2.46.2