From nobody Thu Jun 11 17:31:21 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 08444224B04; Mon, 27 Apr 2026 04:39:43 +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=1777264784; cv=none; b=Vhta5IMMa2zPjdR1IgWL3Z38EWxLP5m4T0MN3l2i4RKDX/3oKTAKXXNx5NbNlsJeSNEFvpDzEw6uYSHANDI0hl8pd30XGfxBAYZ3K0Sj7iH+qx+6MucP1h1dEmELCCrAJSX+ztx1ETkHeKCwOyWrn5YH3bLhauLQEKE3jJ5iRHI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777264784; c=relaxed/simple; bh=yF5vtNI4rT6BiL2Y7UF7MFh6FNbB7HXVaTHOlFHns4c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jtat+Cm2IcsEo2IDoXVgjJ9aDfFglEmcMBSdp2Qpcg9u61irt89FyDvvigBoW04mcPvUuXwKdQK3VGAiaxrSxZ2jBk9G/GyVKJikxN1qJJ3oCZjsfFRafBjawnndzmURnshLJyJyLXOoXcBqaYgaK9nEMnNQRgqKSkue5BtT1cw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b2U6VUt+; 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="b2U6VUt+" Received: by smtp.kernel.org (Postfix) with ESMTPS id A6CEAC2BCB7; Mon, 27 Apr 2026 04:39:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777264783; bh=yF5vtNI4rT6BiL2Y7UF7MFh6FNbB7HXVaTHOlFHns4c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=b2U6VUt+Mi5EVilY8teSjjGZfZCXijRg8dSkg/ZzD0z3vdrC30Tz7WmVVEDrgUusq MIDSAr/LWMpBspirCJMMyjc5YIXfhm9XFxgTiAFX9ljn3ul5y3dUxzgC0u5h3FqcO4 sPdQEbQPYsMy60KcvgUglIA0fv/nJo5J8RZAEOB1dOBAlv33t6NXtK+17Q0o2XUxE7 EW/u9MI/cjVCNqnPx6ZKRu0qLEM/9OKBufaPm/Z5ZlCLwYQ/I/pAYPuFQ9tvMyvuy6 yMEgG26iqRDx58V+c6cJsSUqu4+I5tTRwJWyjn5O9p59hABRF/sbbYm7wQfVk6u5KT oAuuG5VksfCSg== 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 9601CFF8860; Mon, 27 Apr 2026 04:39:43 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Sun, 26 Apr 2026 23:39:37 -0500 Subject: [PATCH v7 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: <20260426-ch13726a-v7-1-554247c569e5@gmail.com> References: <20260426-ch13726a-v7-0-554247c569e5@gmail.com> In-Reply-To: <20260426-ch13726a-v7-0-554247c569e5@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=1777264782; l=2305; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=PeipF7stSlnB3KSvVvobRqzG1vhA7mb7CLIfwJcYi7Y=; b=qs2vGJ62Lm1BfftqJE/hz3XTMEasceBhoTHQ0Cc4OH/H2qY1sse8A59yDwML3us56A+nPkRTZ z8rvEezSfhjDSACbFvIuzjFHpQMTLdCdfFUGfmnCy72nfBuYCJ+rp0y 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 Thu Jun 11 17:31:21 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 083831D5ADE; Mon, 27 Apr 2026 04:39:43 +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=1777264784; cv=none; b=jNyAZOGwtj8LDRjdOVow8fN7xMiSXYRdfe1TwceoKLtLiRvm+OEaLRGJ0pNe99RG27RmWXbUb6U8UH/1eOeXVJWJEvzqDYW7EDH+WBNtLSzHnUdbkt4AUAcFjaRot84kGSImcALZVQSiNTgeWXaoFCveGMkLNMlGE/QTght6lec= ARC-Message-Signature: i=1; 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b=HP7a1/LV13rqRQ29Gl1oFFYzNslB3JZrobgL9TUTpwwG6x5SBNQzB00gnbjJuqZaL IL4tP8Sbo0IvtlFmxGXy9BhNp3MfdKbF//fgiuxMrGillzhFYs6ascaJlgKhJJdlzN b/2tw8aoFqcxSVyscK1iYGN/NtIRIWvUlX7ohw7jVdJGDtS7Th0pwfe0KfJfDFhdTA w3Q+bsY7ja9YoDm8WVXAaUv4EDlkB3IMMJtjwdPjjuk2htVxiMYMDrut1/QClbeEJG lz+SJr72UQ7EDEfbn6JW82BIIuV9s0OQWqSj+DMWyd0JWBd2i6Odlx+Scg3U3pWHMz CwSwzc9byjFbw== 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 A565CFF8850; Mon, 27 Apr 2026 04:39:43 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Sun, 26 Apr 2026 23:39:38 -0500 Subject: [PATCH v7 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: <20260426-ch13726a-v7-2-554247c569e5@gmail.com> References: <20260426-ch13726a-v7-0-554247c569e5@gmail.com> In-Reply-To: <20260426-ch13726a-v7-0-554247c569e5@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 , Dmitry Baryshkov X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1777264782; l=11359; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=keQeKR/UNaCqafInWKGsnIJ6eSkA8+y4YbOCN9buK00=; b=ocp4K0YtmexaT1EkcAeLzNSsw14e1lEX5ygF4GQe+YievHdtAM9XAx70Oxr3UJGz1pe6FX4PS 5+6B1yD+MAEAxS0qQRxUdK/fmqvXqF4a/BZL5tuunCmqhyRStgBaurH 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..be76bc825c3fd2 --- /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