From nobody Fri Apr 17 07:44:07 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 7EED735BDC6; Sun, 22 Feb 2026 22:28:22 +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=1771799302; cv=none; b=LRTo0uL7YW05Jrrx1wQvPKvRRV7ccqL2rFGL/fRGeoUeAn4PQGcI4iYxfVj5gsFzn+pCO4Bl51JD36GN3MvKIizqRIiXxbJM4snUBGeRQdFjwZC5uLuZhg12LK3PfOY9NFDYTrt4gdh/ywBhOPAj3O7joBxTVMSqDyramG9Qu3M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771799302; c=relaxed/simple; bh=kRyvAtllg2wv5cvOolKASqfXWh92eMK30glbgg+ZQbM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=avEneS99xWjo2L3fT4RGKYIHohm9dOpp39rmOJtF0x3KAkgy2ztrljwS829z4UA1UHnq3Dh9Src1w5FbjO2R0W282o+aSB4G5TtErBdt4YUz+dIBgy1sUKgStx+/0fY93NFb90VX+0t2FgeUKYy4aLH0BC8+BWc4wWqKvqH1DQI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lHJfUVi6; 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="lHJfUVi6" Received: by smtp.kernel.org (Postfix) with ESMTPS id 2AEF0C19424; Sun, 22 Feb 2026 22:28:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771799302; bh=kRyvAtllg2wv5cvOolKASqfXWh92eMK30glbgg+ZQbM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=lHJfUVi64mDTc/OH61tmDRmmpME9BK7ZjRStUy8FEW6Yq+gVMk+YaWHFhoPw6cxio fQbOBqgKqGq8qt8dHxpv6HgrTywZk9ZgvWvLrxC751zO2k3P1LCRPKH9x0hBfybdPZ X3tLdpF1kvpDgBlHMVGCj58cAXd16iQVgWkTh9FKsk+PurF0cnfvi3TNLzS1xVaHzr oFprYzfQlBKR0xoEeBOflyjt2DmFizWPWWxOPzm+QMnSQjmBD2q5zrp2LcrqJUCKyg pdLdbKsFjL9XDg4Z5c1u4YsgBqxP5RQUkSFtZEc5rh7wbb92RJpUh5wglPIMR3dY+P VLnxCsDQvXmiA== 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 185F7C636BA; Sun, 22 Feb 2026 22:28:22 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Sun, 22 Feb 2026 16:26:22 -0600 Subject: [PATCH RFC 1/2] dt-bindings: display: panel: Add ChipWealth CH13726A AMOLED driver bindings 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: <20260222-ch13726a-v1-1-e501d78e105a@gmail.com> References: <20260222-ch13726a-v1-0-e501d78e105a@gmail.com> In-Reply-To: <20260222-ch13726a-v1-0-e501d78e105a@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 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1771799301; l=2215; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=LoCx6cUkB7j9UBFth45SOpmS8Z22FgGUAq5sLoe92tk=; b=KabOWvLCznH0d05gJbqlA1f9LDsvD56nPTyPGK760xcC2Hy202B9FTmMkMpvpJveg5FZMt6U6 sqRUncm0Sk5B3WM8qem3s1/y3lxIs1LAj8p3X78tsxCdAl36akD4XFb 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 display driver is a single chip solution for AMOLED using MIPI-DSI. This is used for the AYN Thor bottom panel. Signed-off-by: Aaron Kling --- .../display/panel/chipwealth,ch13726a.yaml | 66 ++++++++++++++++++= ++++ 1 file changed, 66 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 0000000000000000000000000000000000000000..890984b00c341285066176995e6= a973c5607cbde --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/chipwealth,ch13726a.y= aml @@ -0,0 +1,66 @@ +# 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 display driver + +maintainers: + - Place Holder + +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: + const: ayntec,thor-panel-bottom + + port: true + reg: + maxItems: 1 + description: DSI virtual channel + + vdd-supply: true + vddio-supply: true + vdd1v2-supply: true + avdd-supply: 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"; + 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 2.52.0 From nobody Fri Apr 17 07:44:07 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 7EF4E35C1B9; Sun, 22 Feb 2026 22:28:22 +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=1771799302; cv=none; b=qdHSgLCeKg5JoOb1kw8HL4yyRVQjRchIAHmLtHL0aVZRiZVccfngnmYDljx6vRNvnb5B7ELxcmduHY3GzV0ZZGRtmAnN4y3BhYGeLUG6VJc7+5AF3wDMjgye5TOQJt3ExbD6XflrkY44sY6kTV9sTeelRagkYQWGJM1sPNCCbdc= ARC-Message-Signature: i=1; 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b=QsPYiLVPMvsvi5+g7ThYAX8g21x1E4Timbx1OWTiGbQwMhb/278Ow3K1VQqdpF147 uC7BwBIF3uI0Pv2ZGV0CFEAOW+l+tncC4+sxgZa5YU/Vma+MzMnajBACzW0QUyCSvL Cbr/NHT9BOMnhraZo78iVNBzUGbV+YMxeNUK54bVSTeno3mpyIH1zH42o32W1yIBwu 2HtJIBJVkAJCKfesW5BSnfmpU1UPlkatFv2RiDFBbzQr/FzvwunqRxiH71DlyOrSP3 wX210hoyXL2YKxJ9oLDU1RGULQGJSt+azxW91U1SFSJbEwXcuCVoAj1RsthZxaBxO4 GLoziYQSC/W3w== 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 274BCC636C5; Sun, 22 Feb 2026 22:28:22 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Sun, 22 Feb 2026 16:26:23 -0600 Subject: [PATCH RFC 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: <20260222-ch13726a-v1-2-e501d78e105a@gmail.com> References: <20260222-ch13726a-v1-0-e501d78e105a@gmail.com> In-Reply-To: <20260222-ch13726a-v1-0-e501d78e105a@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 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1771799301; l=10447; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=XQViDwO3gm90rnkfJEMEPFrgcHgCVG/PFsXlXjlHwWE=; b=wdr9WR7lvHXN221P/npBjST8e5XuhJtPt7DOyN5MZN+VQ5y6dV5OykTqQkV05xFfI8+G8qC4E vF4aJ2MH1+jANSy5ptL3rk0vKnooMRI1m4wZegoFesYYwb1pZIiAKQt 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-authored-by: Aaron Kling Signed-off-by: Aaron Kling --- drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c | 296 ++++++++++++++++++= ++++ 3 files changed, 308 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 307152ad77591af513086121813e6d52f9f5ed62..9791bf9850c3c29481afe46176a= a474cf20ee0be 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 aeffaa95666d6d447f675bf4e8e7d28ee7c1351a..8ec0a978221016d1e34bf05c64f= 58232d0a2dec3 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 0000000000000000000000000000000000000000..89961a5a697f0bbe3f6376ddf25= 5a1f7e1461380 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c @@ -0,0 +1,296 @@ +// 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