From nobody Wed Jun 17 02:57:21 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 91ECB3491D0; Wed, 22 Apr 2026 07:43:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776843821; cv=none; b=kjCAT4IDkM3607k5YbsSXsF4tqmwyAKFkbGBIJSkn6fwc2LfJaJ/ACNcYNVOm2VCZ5fvFMJozErc6tVrCEg0p/rd2Gd1Jq3qMWZpj/zTbKT9HvteTQ/npNqXIytvWbQKd1S/o3oapqceb91A1Z5ZXBo55LaHIsJbcsLczrrhrlI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776843821; c=relaxed/simple; bh=yF5vtNI4rT6BiL2Y7UF7MFh6FNbB7HXVaTHOlFHns4c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=our2mMNBCm86VWN/OQt4gYR7xA2IJEbcDVCvW55zEvwTqVC22nw8P3p7HyJcHXJAkId3n8rh7j8hM4MBotJ0+U3IqDQU71bxEpyrdNwDUFkp/1Uy+JifllSz0Dj5VJLclsWqNeOzFGs0p/cu/+6SRMBqWpYD++cZZChWjkZtVyU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o69cDy8t; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="o69cDy8t" Received: by smtp.kernel.org (Postfix) with ESMTPS id 4B8EBC2BCB4; Wed, 22 Apr 2026 07:43:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776843821; bh=yF5vtNI4rT6BiL2Y7UF7MFh6FNbB7HXVaTHOlFHns4c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=o69cDy8tbQ/rFk2g7ooDbwdUZlK9kaYqr7t0KOEyl67f9BTunm98an7/ahUgblUDC Fw5r/gkMQR6+j1ycjxUF3M2d9mosgb95bLGlMvKF4H2BrjiQUtIw8ZZGoWT2Tto+ii FZAn4XGIq0mDpLTT614MNM2z8ZIZEan1LiJMaV04J9bU+EjUuMskeytQ3y43u7RDLi 39MYXyh/Ko1gD2OcxkfX8MjsuYQBl+5/QllvdpxmRycqk2g434DkdQF93mWZqMYPgE GvwuQi3Np+wPKLmFYK8uneoZxYW1J1zs5hW+cEkyuqh+R39Jl5S1Mri6JG4VT4lnA1 8MtST4jY6JmLQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3BE0CF94CD8; Wed, 22 Apr 2026 07:43:41 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Wed, 22 Apr 2026 02:43:24 -0500 Subject: [PATCH v6 1/2] dt-bindings: display: panel: Add ChipWealth CH13726A AMOLED driver 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: <20260422-ch13726a-v6-1-03680d6673ff@gmail.com> References: <20260422-ch13726a-v6-0-03680d6673ff@gmail.com> In-Reply-To: <20260422-ch13726a-v6-0-03680d6673ff@gmail.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Teguh Sobirin , Aaron Kling , Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1776843820; l=2305; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=PeipF7stSlnB3KSvVvobRqzG1vhA7mb7CLIfwJcYi7Y=; b=YPGy5wjPhjJBDLIYh9AnykNVDs7Ik0t7MYZR0gVn1BuQBmmFqgQyIock7Ug313egE9eNrwkuM fYlMJSJLS8pDhcB2FshZd71C7zikw5yx6cB1CshC+ThfGhTqkuSH9X6 X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling The Chip Wealth Technology CH13726A AMOLED driver is a single chip solution for MIPI-DSI. This is used for the AYN Thor bottom panel. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Aaron Kling --- .../display/panel/chipwealth,ch13726a.yaml | 67 ++++++++++++++++++= ++++ 1 file changed, 67 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/chipwealth,ch1= 3726a.yaml b/Documentation/devicetree/bindings/display/panel/chipwealth,ch1= 3726a.yaml new file mode 100644 index 00000000000000..c8d7b61037e622 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/chipwealth,ch13726a.y= aml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/chipwealth,ch13726a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Chip Wealth Technology CH13726A AMOLED driver + +maintainers: + - Neil Armstrong + +description: + Chip Wealth Technology CH13726A is a single-chip solution + for AMOLED connected using a MIPI-DSI video interface. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - const: ayntec,thor-panel-bottom + - const: chipwealth,ch13726a + + reg: + maxItems: 1 + description: DSI virtual channel + + vdd-supply: true + vddio-supply: true + vdd1v2-supply: true + avdd-supply: true + + port: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + - vdd-supply + - vddio-supply + - vdd1v2-supply + - avdd-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells =3D <1>; + #size-cells =3D <0>; + panel@0 { + compatible =3D "ayntec,thor-panel-bottom", "chipwealth,ch13726= a"; + reg =3D <0>; + vdd1v2-supply =3D <&vreg_l11b_1p2>; + vddio-supply =3D <&vdd_disp_1v8>; + vdd-supply =3D <&vreg_l13b_3p0>; + avdd-supply =3D <&vdd_disp2_2v8>; + reset-gpios =3D <&tlmm 133 GPIO_ACTIVE_HIGH>; + }; + }; + +... --=20 2.53.0 From nobody Wed Jun 17 02:57:21 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 91E2E40DFAC; Wed, 22 Apr 2026 07:43:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776843821; cv=none; b=hJ+9TBWfn4KVfAEhMlbqPDMd5lJPNW8oVyi61UZKnpILWzeLulMhBVD7AhCeWpw6HeopxhzDxCcZDJ+KKHoxL9sA9Ai5F1C86ozjdGdvPoOj2/6wGgMixfdshLYFqlCL5c08jOS6Sr2HJR/1s6WqEHfVSu0v6APzb1K1V/uaVJU= ARC-Message-Signature: i=1; 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b=svFo0nU89jY4KaGYzLBDLTqKmFO/ugQsVsz7/9rP/oHgpJ36DmGr/cELPzcxX+z6Y bFnMrRTnQz9XXEdEHLgpP0syNBcA3E9WdCSOfiEiF0Re9PtXSVIAl0HwowdlIyhWEa DLqu2XB5pEAqY6v1U4gy2Py80/JhTa41BRkm+sojfTnoTrPg37n3YtSFkGQW/iNTpZ +5avw/lsVIJN+OcOaJ8osFBjAMpgMHqCvITaevcL/1oJIl42zichmj7QwPe8AsSPHe csMDp0Gb14k1Dy/KPFi7vEoITY714Lx1oKycAxlKbZi1arXBu9b5nzBqYIXyVsaybO N0lSXtNuyKCkA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E583F94CDE; Wed, 22 Apr 2026 07:43:41 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Wed, 22 Apr 2026 02:43:25 -0500 Subject: [PATCH v6 2/2] drm/panel: Add panel driver for ChipWealth CH13726A based panels 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: <20260422-ch13726a-v6-2-03680d6673ff@gmail.com> References: <20260422-ch13726a-v6-0-03680d6673ff@gmail.com> In-Reply-To: <20260422-ch13726a-v6-0-03680d6673ff@gmail.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Teguh Sobirin , Aaron Kling X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1776843820; l=11291; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=6zJEeAQrGi45qzGSgqVejzQKCslg4CHUh2iZVXemX90=; b=eHyYS02UynJpM8aSk5F1foHzYFvvKnvQuFd7sK7QPtUgyR1i9tfk6JpqyoSrihKM82x0U8UgF M/7DIJwGdimDvSnLXNaCBYbqfMSrgpJdxtpoYHtltkdn25tEnAaE4ai X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Teguh Sobirin This is used by the AYN Thor for the bottom panel. Signed-off-by: Teguh Sobirin Co-developed-by: Aaron Kling Signed-off-by: Aaron Kling Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c | 333 ++++++++++++++++++= ++++ 3 files changed, 345 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index d6863b28ddc559..e2c00f08f4507d 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -105,6 +105,17 @@ config DRM_PANEL_BOE_TV101WUM_LL2 Say Y here if you want to support for BOE TV101WUM-LL2 WUXGA PANEL DSI Video Mode panel =20 +config DRM_PANEL_CHIPWEALTH_CH13726A + tristate "CHIPWEALTH CH13726A-based DSI panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER + help + Say Y here if you want to enable support for ChipWealth + CH13726A-based display panels. + config DRM_PANEL_EBBG_FT8719 tristate "EBBG FT8719 panel driver" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index a4291dc3905bed..343d283d1620fb 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_DRM_PANEL_BOE_TD4320) +=3D panel-boe-td4320.o obj-$(CONFIG_DRM_PANEL_BOE_TH101MB31UIG002_28A) +=3D panel-boe-th101mb31ig= 002-28a.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_LL2) +=3D panel-boe-tv101wum-ll2.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) +=3D panel-boe-tv101wum-nl6.o +obj-$(CONFIG_DRM_PANEL_CHIPWEALTH_CH13726A) +=3D panel-chipwealth-ch13726a= .o obj-$(CONFIG_DRM_PANEL_DSI_CM) +=3D panel-dsi-cm.o obj-$(CONFIG_DRM_PANEL_LVDS) +=3D panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) +=3D panel-simple.o diff --git a/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c b/drivers/gp= u/drm/panel/panel-chipwealth-ch13726a.c new file mode 100644 index 00000000000000..175f40e752126f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c @@ -0,0 +1,333 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * ChipWealth CH13726A MIPI-DSI panel driver + * Copyright (c) 2024, Teguh Sobirin . + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include