From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 EF734C87FCF for ; Thu, 7 Aug 2025 07:13:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 40D6910E7E8; Thu, 7 Aug 2025 07:13:39 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="GZMgljha"; dkim-atps=neutral Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) by gabe.freedesktop.org (Postfix) with ESMTPS id 28C9610E28D for ; Wed, 6 Aug 2025 12:48:25 +0000 (UTC) Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-454f428038eso59048925e9.2 for ; Wed, 06 Aug 2025 05:48:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1754484504; x=1755089304; darn=lists.freedesktop.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=VNB7a4YMrb27z2qd3889RKLzuXK5LQzifxp7nYv4e34=; b=GZMgljhaeH2Ldbl4qPnHcAKOiUVUmT7GH5OED5tXi5usIrqnq3zpBPEsVs0nS+tgHT AGq2JoEZE1E548q17kG/Da1KkcgqpGMsYflLKvr+/89HBZ2P8Hdwpr4ReWEEmE21U0j7 +zarm9/tgJA10n1FEDErWyOs3tEej6WkJUhSfuj2d7Oy7EwaViIE6hHX0rC7HuMhfUkn LVU8vNLSTadO9MqXMuRno7PhE2xtUiKV7e6nasPHdDgsvgxKkD5GCUnQWApVsEqa9tyn tWdbxayIFaj30ndNERcinATlrbDadCVScs6MguuTrgNvI+i50wFZEF7RKoipDGWgVz4D TOLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754484504; x=1755089304; 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=VNB7a4YMrb27z2qd3889RKLzuXK5LQzifxp7nYv4e34=; b=D3kiOMQNBwo9AOQkkW0UzvD4oFbMcZO7crH2haGN2KwB4t1Jf1ZSrTGQpYXFUvheUm YrEaAA75hCbrGXXhsv95lKCtEgHgMhoUnWsP5eNdIaYjKvMrVp8fC8e+2Gh6C6/EUQqs o9asMZiOaBfjkXuyDRz+fpphD7+2I3fQffeXu6Cd+mGOwfS9vFdbBpRAiaZPDErZDM4u j/QMvx2zqIu84ax+oxJ8aso0pVcJTgcIMx+f6C55+vy4z0sVe/1RgxCzhHcZGCTBtBOf onfH+4TIauzG3PUP/FBwY0yecPbtj7a8r+PbKYlggcFi8RpWmefDXVS83ueBHG6fSQ0c n3VQ== X-Forwarded-Encrypted: i=1; AJvYcCXZeyPNol+wJ0ntBby/yRin+y5aB1GnhT+NBCYsrmUXQpFMkNfiZFy6I0L/1zyecBP6JzwDWvJMXoc=@lists.freedesktop.org X-Gm-Message-State: AOJu0YyrF1cUPksfFFiKQPQbtYR4jeGL+Bt2bCfeuIrUNxjKCboLb7CP nxjPPCChLdVRteHbB0FItTNud0Phf3EsAyBvvmzLvxyH8EeWtehC7e2s X-Gm-Gg: ASbGncv8ynweIZ6av1ZcrxgZ9iJzpPKasmK65h9tQVwJCqsTq1s5uosrm/nxRwq8mgJ dEcysZ1i/7/CnArR0tF6yWWPEg7lkmmEjjF6m6kwzL2EA3BqvOF5PqYpjDf+sKZXflKiK/1uuuB 1ZfTlzzurFaPfrVpPfiAVic4BsmNnSGcOD+hFr0KUh/NBhnNcNg2MS+bAnRQGzrzh7aqFPHoGPi GVOWlsi1T79LLw3ZoVmFEW6s7+9S+pjNElzgApllGPhvEUJ5dQU13S2v7eZ3NPU56fEKWwUr6tk R1hVn7LK52CPhJqWfvuXzavdC2Xb3GkMzC1bdsULvZGuz6AI1hjPJb7UUJFxUiO/WmRlo3M1ZJu wWvQlseL1meruwmK7DFuUMBhhcoW36qxB9ZTOoRf5v5Lp06RGr9RBOAbwkk4VIYYH X-Google-Smtp-Source: AGHT+IFBN2DPUlyJyt6dAn1vE27EUq0AzZJVPt+v4DrPvA6gwhn0tHlUlYyfF/G2CuE+a+IuY5Mzmw== X-Received: by 2002:a05:600c:1c95:b0:456:1c4a:82ca with SMTP id 5b1f17b1804b1-459e70f63b8mr23496805e9.32.1754484503564; Wed, 06 Aug 2025 05:48:23 -0700 (PDT) Received: from ipedrosa-thinkpadx1carbongen12.rmtes.csb ([91.116.162.236]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-458be70c5f7sm170110045e9.26.2025.08.06.05.48.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Aug 2025 05:48:23 -0700 (PDT) From: Iker Pedrosa Date: Wed, 06 Aug 2025 14:48:10 +0200 Subject: [PATCH 2/3] dt-bindings: display: sitronix,st7920: Add DT schema MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250806-st7920-v1-2-64ab5a34f9a0@gmail.com> References: <20250806-st7920-v1-0-64ab5a34f9a0@gmail.com> In-Reply-To: <20250806-st7920-v1-0-64ab5a34f9a0@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Javier Martinez Canillas Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, Iker Pedrosa X-Mailer: b4 0.14.2 X-Mailman-Approved-At: Thu, 07 Aug 2025 07:13:37 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add binding for Sitronix ST7920 display. Signed-off-by: Iker Pedrosa --- .../bindings/display/sitronix,st7920.yaml | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/Documentation/devicetree/bindings/display/sitronix,st7920.yaml b/Documentation/devicetree/bindings/display/sitronix,st7920.yaml new file mode 100644 index 0000000000000000000000000000000000000000..caee85f98c6d242dfab73729210f8c34b23a3a99 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7920.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7920.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7920 LCD Display Controllers + +maintainers: + - Iker Pedrosa + +description: | + The Sitronix ST7920 is a controller for monochrome dot-matrix graphical LCDs, + most commonly used for 128x64 pixel displays. + This binding supports connecting the display via a standard SPI bus. + +properties: + compatible: + const: sitronix,st7920 + + reg: + description: The chip-select number for the device on the SPI bus. + maxItems: 1 + + spi-max-frequency: + description: Maximum SPI clock frequency in Hz. + maximum: 600000 + + spi-cs-high: + type: boolean + description: Indicates the chip select is active high. + +required: + - compatible + - reg + - spi-max-frequency + +additionalProperties: false + +examples: + - | + // Example: ST7920 connected to an SPI bus + #include + + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "sitronix,st7920"; + reg = <0>; // Chip select 0 + spi-max-frequency = <600000>; + spi-cs-high; + }; + }; -- 2.50.1