From nobody Thu Dec 18 22:21:38 2025 Received: from mail-lf1-f42.google.com (mail-lf1-f42.google.com [209.85.167.42]) (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 0E2F2217F5D; Tue, 8 Apr 2025 07:05:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744095902; cv=none; b=hKq4bIwM9Q4L+rZ00lDGyo5P6yqRepWJR6Eq9Yb1k9iGTXvjTQ0Gpg13MoKtpOhR3/46+UXkR2O1K5zbV7+6EAymfTyk7+5v6q6HtbcMrzPDlqi+V03Sgylg672oPGPowppRrLIeFG6Rj9/aLeQzxBCIe0Y9rCbvyNt/p80uj7E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744095902; c=relaxed/simple; bh=8jsXPoD8/rVl7BQngK3NPkNA5m5l8CicRc1UHvgLl8Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TFL19X63qpCu1pEYnNy1QvhYrJQGuTVXfhwhFyivLUF8bQoD1Mnornh/0VAamYkJJ56+5bWLR2wFGYGDTPtelqgTHVcwFt6GtLYo7pRVo0AlzbW19oCPFqkBDpk27U6g8yPvIWfrzBUFRFSjLWnBYCmL258pXLFWwQ+c0u3jWeU= 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=DPSM2pbF; arc=none smtp.client-ip=209.85.167.42 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="DPSM2pbF" Received: by mail-lf1-f42.google.com with SMTP id 2adb3069b0e04-54addb5a139so5830483e87.0; Tue, 08 Apr 2025 00:05:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1744095899; x=1744700699; 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=q29XRV8jow8lez0T1Keu8H56xuoR4eRfKdNnJPNuVxs=; b=DPSM2pbF79T/QVOxCm7PBZpJQGmBji5SmQSVImHMt+VikZwefNvAN/Rih0XrGD26ad Ln9Qap3lKNIVjg3mLOuVO5lLnW4tWk0fCa0/HV9qh1zicYht7KxtuaUVPLy1qGG1oO5G LstIHuWbhG3eMI5O2fX2HLYt4z7MtNAaW+4CDBixSF6BcnzWfv6FfeBSOx8CRnmKgWdi az+Pgroy7nObZMD1lUWahNAwEmEKm+s3yFMSS3EleSTxN2j/iOBQwWRe24BLsDrTmmKC HhAUu4ESGGcLlBmZqnwke0cswMME365viopattdF6pyibfpA+BpvPttwqrBw8Bc8JG05 DUqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744095899; x=1744700699; 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=q29XRV8jow8lez0T1Keu8H56xuoR4eRfKdNnJPNuVxs=; b=o0rNP+I8SMWNL6RkRhd71MZx578aLctrN4cB9DvLpZZPCX2ZJUWCPA0M/fWieyUOTq c6wv6GJOR4v7h0WDeGdBkCMm2kgiD4pCMtScyv7dRzceeJ9hycZZ3NEoDff8ZTopHNL7 GYFhukHQEyPdBwzSGdOi0ewwnGXSukBEmxWqLy4uqJY+SD+Z56TYmw4hDFepHGWoIngK MTYu3heMygRJ4pIQCIqsjajceRrT5/xEVI1by3SO10XivbS8ivGls/eGGcDuHAXXFfQN GpFAP5TddDvB4OqoEOrHsDjG0N3BG1SBjru3WyCbNhRNg62Qg36wesi/88fvSL8iwfM9 E9mQ== X-Forwarded-Encrypted: i=1; AJvYcCVuxzNU92vPSzUwaEndv0dUMq1E+yyPyfwrPegUdui1Uwk9HP7jpjhgLWPs/gEPwV8eMkzfTWWW6uScsD/l@vger.kernel.org, AJvYcCWfHMnWbSIG3m1pQijTUYTAh01bGVNwNxICEEm6iWLrwvhK0uP+XXPy27rP2ICXsQFYT9GomOnztYB4@vger.kernel.org X-Gm-Message-State: AOJu0YzqQ9tGJyAVf0QkwNoWCtcK9GLyZEwPI9Ei3B2do3tlOP8Tqyrh dxC1F7d55J5Ic4RW5F+5f7iz5y0d6dqcBYFLZJIV/5bd6g+Mw+E8 X-Gm-Gg: ASbGnctWdbMV+xAiwwBrwG7ORVWHOkQ3KT8O4yvsYQhnDjBJOgcQ/T6VCWgvK08z4vj GYX1LVZNXeHLrGrTCb+aSlS2SIY8WKjRlB7NhmYd1uH6oYqR5Ac+uiZkFiMrOwc0EXBHOoGt86p FdTwCwmtKLa8d25FXSjNsp6l2Oy+1MK7GQDc8jgLH6px92BDZluc7oy5YLcQw5MRhnjuI0VU35Y vUcqvgsSTxU37Bve3gJkIgHt3SyPWfrQl1rgLq3l4DWVlFQBEveGGdiKSOwhFxzxb/ADKjMeGD0 B0aYkMVhfZhCpM7x2pSaEPQfbg9QK6kkEDIf0Pn0ZrhowKI6zRca0QVrkBgZDu08ERs6Ix714yy 6IAn6ZVzUpIChISuqq8nhUSE= X-Google-Smtp-Source: AGHT+IEXZr3tAghBsf0ciq11I50CFCGHpuS2+SMnSBhb393VI13306cCOCwdFiGQXaSZdEP8pRZ0Ow== X-Received: by 2002:a2e:ad90:0:b0:307:dc1f:e465 with SMTP id 38308e7fff4ca-30f0a133afamr53460981fa.22.1744095898940; Tue, 08 Apr 2025 00:04:58 -0700 (PDT) Received: from [192.168.1.11] (83-233-6-197.cust.bredband2.com. [83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30f031bcd37sm19252841fa.76.2025.04.08.00.04.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Apr 2025 00:04:58 -0700 (PDT) From: Marcus Folkesson Date: Tue, 08 Apr 2025 09:04:28 +0200 Subject: [PATCH v3 1/3] dt-bindings: display: Add Sitronix ST7571 LCD Controller 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: <20250408-st7571-v3-1-200693efec57@gmail.com> References: <20250408-st7571-v3-0-200693efec57@gmail.com> In-Reply-To: <20250408-st7571-v3-0-200693efec57@gmail.com> To: David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2216; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=8jsXPoD8/rVl7BQngK3NPkNA5m5l8CicRc1UHvgLl8Q=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBn9MqI/6MAlJHkJFAGEAFtgGr3nulYXwgfcprBv UZsVFY9NFaJAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCZ/TKiAAKCRCIgE5vWV1S MuTCEADWG6b4liMCpVeV5PsvAuNakNCEUFL7uQEazaVoNugFyqXWyvXpsEaWhruzGt7WV0ik7EH RcrJiptSDU/0QE7mLKYw7lMdPHGOQBE0P4ARo6gEY1CUPMnTE0RUENvzoA0JQkWbtjPyXiPRHt3 X40P2JJoe7Yqvom4D6S5PFv2Q+BlR5fna45TO/cP4xy/d0PiKsqJLR4/3GZrDwBW0Z6SRXxac5T zdv4f2uc3owp2vIR0tQp2RnpihkmimfOttg4cC4BrTF9tCJirmTLZQt/Whi6yFgu5aONwC5wYMh KMRx0NehGGZusaalAwHkWbRkyhAVG3zioY7Pt35q3h3x3M4FmvPKujMAK4jueJRMZRLu2LK4FSU FfqzraJSyzchYX4Kh/kNFJDLTOlzPXYdU7lQDfTbqKzrqwOeYpNPOHPrjY6FrwGSmdd5iHi5bSX NHuSgrXNLTV+nFyJ8e49V53t7rYtSc8E5l0sG3ViKDulywob/jMfLuCcVdS6Vos+Oc44rXSoFox tom9zRA5iinjgmOXzRuaioYKjvsFykGc+L+JX7Y/rvqHMH3ocQg1WsU1oMfMf5eacGP/9w6AdXS KJXW/KCEaAmIXYKWSACTNvraVPZiehCXs7/USjKmGRPmrOLU2FIwHZpFpV1R1bJPzj5xI2pPDbg WfXOjyIQdnlXLew== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Sitronix ST7571 is a 4bit gray scale dot matrix LCD controller. Signed-off-by: Marcus Folkesson Reviewed-by: Conor Dooley --- .../bindings/display/sitronix,st7571.yaml | 70 ++++++++++++++++++= ++++ 1 file changed, 70 insertions(+) diff --git a/Documentation/devicetree/bindings/display/sitronix,st7571.yaml= b/Documentation/devicetree/bindings/display/sitronix,st7571.yaml new file mode 100644 index 0000000000000000000000000000000000000000..a25d2820be27fe580b6d1aaddd9= c610383b73b3a --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7571.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7571.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7571 Display Controller + +maintainers: + - Marcus Folkesson + +description: + Sitronix ST7571 is a driver and controller for up to 4-level gray + scale dot matrix LCD panels. + The controller is designed for use with LCD panels that have + a resolution of up to 128x128 pixels. + +allOf: + - $ref: panel/panel-common.yaml# + +properties: + compatible: + const: sitronix,st7571 + + reg: + maxItems: 1 + + reset-gpios: true + width-mm: true + height-mm: true + panel-timing: true + +required: + - compatible + - reg + - reset-gpios + - width-mm + - height-mm + - panel-timing + +additionalProperties: false + +examples: + - | + #include + =20 + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + display@3f { + compatible =3D "sitronix,st7571"; + reg =3D <0x3f>; + reset-gpios =3D <&gpio0 3 GPIO_ACTIVE_LOW>; + width-mm =3D <37>; + height-mm =3D <27>; + + panel-timing { + hactive =3D <128>; + vactive =3D <96>; + hback-porch =3D <0>; + vback-porch =3D <0>; + clock-frequency =3D <0>; + hfront-porch =3D <0>; + hsync-len =3D <0>; + vfront-porch =3D <0>; + vsync-len =3D <0>; + }; + }; + }; --=20 2.49.0 From nobody Thu Dec 18 22:21:38 2025 Received: from mail-lj1-f175.google.com (mail-lj1-f175.google.com [209.85.208.175]) (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 B5F4925FA20; Tue, 8 Apr 2025 07:05:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.175 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744095905; cv=none; b=TddQSqAUUWwjhnolpfIun+QXvlbCwwkHJg+JD8YJc+dbyO3UPx3f+2wEX/0wI2SRMcdkTE1dk1P3kD7AEWDj/3oXiws5M7GPTtbomiHzyOCpdStPW+xnRQVDMlghUMfolRJIqbiMRVz4LIMlExNgapdtPkPdQH6Rb9vngFgByHQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744095905; c=relaxed/simple; bh=q3vQmRD71z5LNRq8vYV6y9F9l4Bw2jdb5Gyyipq/WT0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Juk0jvl0QyT18c0x6IBPXQ2iVaez5JM+2IFmtMJJbUUsFxHhqpPx+AIGiTc0c9kitdiupnaCyzosPaC/f/xjOgantPCcegNZrNX7dAsHdNxZR4ReCQG0UFfP+z3T1Qlf9ZiRxbq1OKBM1CT6WWeVRFDVu/OzBr/ShrrN8IT8KwI= 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=ht6XVPom; arc=none smtp.client-ip=209.85.208.175 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="ht6XVPom" Received: by mail-lj1-f175.google.com with SMTP id 38308e7fff4ca-30db1bd3bddso47592441fa.3; Tue, 08 Apr 2025 00:05:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1744095901; x=1744700701; 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=ZNR4He51CeBHH2FlCRi8Ohz7ZrqPJ7Jfopbu54zNLq4=; b=ht6XVPomBOnMJRV4zqD/GHl8nC7Rleqq+b/iVpKtXA+Gvb33r/gN1RaGjGkF8kVWwA c4Obw0Rk2xrHbDRGza1InmlFEC3rmVz9OJWHG6TlpPNwiLFvlT6g+a7krWbb9kWllsYv J/8ttJwKMBKrH2cotSo1AVLix6x0/MP5GDXwwqvum5p0bd4al+7GEmrH8CNGblsBj3hS sHu0tcD1VygADDCP17oVl0Sd9K4FgaKQ0OTjxrnWqa/eQ0Y4n86V4SvA7za+pQWqcO+I hvKK/yTfEeYz2y+KdQxio8a3pKQYAoYquxFUHTCyouc4aBEO9R5PW6/RYbfMEKk7DlHe V69Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744095901; x=1744700701; 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=ZNR4He51CeBHH2FlCRi8Ohz7ZrqPJ7Jfopbu54zNLq4=; b=fMbSkFyQYH5XG8RXuW52vYbMSgSU8jFSf/+k+aLU5pwsq22p/RM4ufxn9SNYO6Pm9M 2+RBMuYV9U+izLhz3Bl+co7kKgcrlL3IttU0wSY9fTJXZOObixu7eRAxc03Ew/VNxZ3m qhzx1qmoqIULhTYtZI6keJGlsWnfWD0W4+UrPPVqVn71mAoCP378M6fcAiNDf6zu8OEK LF+vqk5UncpeIJIzB3aLHTVpslEyBLHvw7C5Em74tfA9cyBnIgtRCio6fViBk/AdxrKl RQdynOUsWaKYjMihCt9DLrv7uFgAjab1FD2MeCqWy0yp8FlOQ5S2u+4NQBVZ5KxPoVII hfwA== X-Forwarded-Encrypted: i=1; AJvYcCVLdJEQJrDlh5q35KuWIpAWBZ06jroHqzADCSj4H1EX1JGsXMF3Q8UDkn+2Y80jlXtTZj9oyvbFKwfqI8Uq@vger.kernel.org, AJvYcCWKTtoVHrljI3NGMH5Y1ol0Pi3bD+TmNwy2zTSF9/RFZ0EQQ8yguP0eiBGpjhVpuQUztx1oRFh+djy6@vger.kernel.org X-Gm-Message-State: AOJu0Yw9p04zCimoOu9hTldGWI+cmxTgpBBHtnhZsmkDt4zzrSTL4fzF iIlCOML8FtopKJDrWH0E9rCs3FPZ5WV5//1iC4MZGHEOOAN1V7fy X-Gm-Gg: ASbGncuiPjvBnFaEXPCYa1Gf0EjlwTVkQEg5kLjlQXYFY3r3Bq505fI06iXrkmQCNBt DqY+YRUrAsOD2/fdZ+v7+dFOi89vBsrWXaL6YB3tY1i9z/dkW6e0UClIYxhLaXlYdk0TurwugFs jybQevAsSqGwBctmQyDe7b4GNLkDgj3SIINYIBiKQ7R6MNYmOfKtL68PvlGgfgD0ifpp6p3nw/J PfuFbsG3yu3jQqT+lggLlDKDfKwtPJsvNpuk9tjHZxr8f1y9vVGqxS/8JDl3lLeJI4HZwyArO2D fbvY1kw6AQMynGmDLLYP+N6dzQlrKLHA8DksW0IK+d2l+RFtHVUWa1x1yf6WhGgYZsWvUEvLsIx spw3GWT1UJLkH X-Google-Smtp-Source: AGHT+IFWMgWGLelzBWifXawgGuqXHS2YFtuzM0XaV161XmqkqowSjlFUelg7QVsWZ6l+V1t3WaijGQ== X-Received: by 2002:a05:651c:247:b0:30c:189d:a169 with SMTP id 38308e7fff4ca-30f0a170f43mr59707271fa.25.1744095900344; Tue, 08 Apr 2025 00:05:00 -0700 (PDT) Received: from [192.168.1.11] (83-233-6-197.cust.bredband2.com. [83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30f031bcd37sm19252841fa.76.2025.04.08.00.04.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Apr 2025 00:04:59 -0700 (PDT) From: Marcus Folkesson Date: Tue, 08 Apr 2025 09:04:29 +0200 Subject: [PATCH v3 2/3] drm/st7571-i2c: add support for Sitronix ST7571 LCD controller 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: <20250408-st7571-v3-2-200693efec57@gmail.com> References: <20250408-st7571-v3-0-200693efec57@gmail.com> In-Reply-To: <20250408-st7571-v3-0-200693efec57@gmail.com> To: David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Marcus Folkesson , Thomas Zimmermann X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=22658; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=q3vQmRD71z5LNRq8vYV6y9F9l4Bw2jdb5Gyyipq/WT0=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBn9MqNN6OCi4DLqWsyzYm5IyDQjS+Sz/3UMZ7kj EgEfQuxie2JAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCZ/TKjQAKCRCIgE5vWV1S Mn+nEACMPrE4BGca4Njz3dywzy4nCHYCqCew5Z90CVwkYQh6z7FGfitrq2OYgjlYzKKcBOPZy9V p5K9WBepY7GiT6fodGd4lDzm5euceFcTxb7b/746tdv3KTXBrF4LsHqsMv1hoJ+9zBQgjU7NAFe dQ69SU926UC6kHLIFNcMErLm2Pyf7XHbCfrwI+0KbOIDH8DdJsBshEYJc6zKmvvZGjMIPaIyvA0 JRFrwdFJiOTENjXHjgdcqZOJogfgpcI3QgLvONWQ5/e3lX4fC00VVlB6eDZEz6LsZyz09IMaU1r FJZtmWL1zjyVHg2jjbNsx0HefU55CIvZCrGyu9p513PNGBbjddj28U8OGRi2OmkWQGHLIrLPq9l t8BdmWhcQOE2NNovEDDgv7wN/tqDyvsta2m7Dw+HnNSZCpmRLAI30Lnqv3+PC48xOzU07dzW5ms fyCawoSNIGrx+2EnT5xDNVLPIJrKKTyhY9F4IHnrtfHyHAbfaKNq1zZ80TGI4Upxh1VmQIw6l+1 kbZe+WZPERClqChFQ/Gsstol2eZj0OVjREOXnOH0pQZALvlcIuh5el9OXeG+exYKTDQoLwCrrWg 1lhfD/lJAN5T0uvPDoAnMUN4FKY7S8AzPNj2wx7xQPmXFsWZJv7snm/FTNw+I38AAKEUNsmkBk8 Y/eSQAA5PXqLf8Q== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Sitronix ST7571 is a 4bit gray scale dot matrix LCD controller. The controller has a SPI, I2C and 8bit parallel interface, this driver is for the I2C interface only. Reviewed-by: Thomas Zimmermann Signed-off-by: Marcus Folkesson --- drivers/gpu/drm/tiny/Kconfig | 11 + drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/st7571-i2c.c | 721 ++++++++++++++++++++++++++++++++++= ++++ 3 files changed, 733 insertions(+) diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index 94cbdb1337c07f1628a33599a7130369b9d59d98..33a69aea4232c5ca7a04b1fe18b= b424e0fded697 100644 --- a/drivers/gpu/drm/tiny/Kconfig +++ b/drivers/gpu/drm/tiny/Kconfig @@ -232,6 +232,17 @@ config TINYDRM_ST7586 =20 If M is selected the module will be called st7586. =20 +config DRM_ST7571_I2C + tristate "DRM support for Sitronix ST7571 display panels (I2C)" + depends on DRM && I2C + select DRM_GEM_SHMEM_HELPER + select DRM_KMS_HELPER + select REGMAP_I2C + help + DRM driver for Sitronix ST7571 panels controlled over I2C. + + if M is selected the module will be called st7571-i2c. + config TINYDRM_ST7735R tristate "DRM support for Sitronix ST7715R/ST7735R display panels" depends on DRM && SPI diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile index 60816d2eb4ff93b87228ed8eadd60a0a33a1144b..eab7568c92c880cfdf7c2f0b9c4= bfac4685dbe95 100644 --- a/drivers/gpu/drm/tiny/Makefile +++ b/drivers/gpu/drm/tiny/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_DRM_GM12U320) +=3D gm12u320.o obj-$(CONFIG_DRM_OFDRM) +=3D ofdrm.o obj-$(CONFIG_DRM_PANEL_MIPI_DBI) +=3D panel-mipi-dbi.o obj-$(CONFIG_DRM_SIMPLEDRM) +=3D simpledrm.o +obj-$(CONFIG_DRM_ST7571_I2C) +=3D st7571-i2c.o obj-$(CONFIG_TINYDRM_HX8357D) +=3D hx8357d.o obj-$(CONFIG_TINYDRM_ILI9163) +=3D ili9163.o obj-$(CONFIG_TINYDRM_ILI9225) +=3D ili9225.o diff --git a/drivers/gpu/drm/tiny/st7571-i2c.c b/drivers/gpu/drm/tiny/st757= 1-i2c.c new file mode 100644 index 0000000000000000000000000000000000000000..9c54ac02f712b8c44ef21878edb= f9569a6992915 --- /dev/null +++ b/drivers/gpu/drm/tiny/st7571-i2c.c @@ -0,0 +1,721 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for Sitronix ST7571, a 4 level gray scale dot matrix LCD control= ler + * + * Copyright (C) 2025 Marcus Folkesson + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include