[{"id":3676163,"web_url":"http://patchwork.ozlabs.org/comment/3676163/","msgid":"<177591612547.2802023.3418602345377561200.robh@kernel.org>","list_archive_url":null,"date":"2026-04-11T14:02:05","subject":"Re: [PATCH v2 05/21] dt-bindings: dipslay/panel: describe panels\n using Focaltech OTA7290B","submitter":{"id":62529,"url":"http://patchwork.ozlabs.org/api/people/62529/","name":"Rob Herring (Arm)","email":"robh@kernel.org"},"content":"On Sat, 11 Apr 2026 15:10:25 +0300, Dmitry Baryshkov wrote:\n> Add schema for the panels using Focaltech OTA7290B controller. For now\n> there is only one such panel, from the Waveshare 8.8 DSI TOUCH-A kit.\n> \n> Signed-off-by: Dmitry Baryshkov \n> ---\n> .../bindings/display/panel/focaltech,ota7290b.yaml | 70 ++++++++++++++++++++++\n> 1 file changed, 70 insertions(+)\n> \n\nMy bot found errors running 'make dt_binding_check' on your patch:\n\nyamllint warnings/errors:\n\ndtschema/dtc warnings/errors:\nDocumentation/devicetree/bindings/display/panel/focaltech,ota7290b.example.dtb: /example-0/dsi/panel@0: failed to match any schema with compatible: ['waveshare,8.8-dsi-touch-a']\n\ndoc reference errors (make refcheckdocs):\n\nSee https://patchwork.kernel.org/project/devicetree/patch/20260411-waveshare-dsi-touch-v2-5-75cdbeac5156@oss.qualcomm.com\n\nThe base for the series is generally the latest rc1. A different dependency\nshould be noted in *this* patch.\n\nIf you already ran 'make dt_binding_check' and didn't see the above\nerror(s), then make sure 'yamllint' is installed and dt-schema is up to\ndate:\n\npip3 install dtschema --upgrade\n\nPlease check and re-submit after running the above command yourself. Note\nthat DT_SCHEMA_FILES can be set to your schema file to speed up checking\nyour schema. However, it must be unset to test all examples with your schema.","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=lfHU50fY;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-gpio+bounces-35053-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"lfHU50fY\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4ftFq43NGyz1y2d\n\tfor ; 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charset=\"utf-8\"","Content-Transfer-Encoding":"8bit","Precedence":"bulk","X-Mailing-List":"linux-gpio@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","From":"\"Rob Herring (Arm)\" ","Cc":"Cong Yang ,\n Ondrej Jirman , Maxime Ripard ,\n Linus Walleij ,\n Javier Martinez Canillas ,\n Krzysztof Kozlowski ,\n Neil Armstrong ,\n Bartosz Golaszewski , Liam Girdwood ,\n Mark Brown , dri-devel@lists.freedesktop.org,\n Thomas Zimmermann , Jagan Teki ,\n Simona Vetter , David Airlie ,\n Maarten Lankhorst ,\n Conor Dooley , Jessica Zhang ,\n linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org","To":"Dmitry Baryshkov ","In-Reply-To":"<20260411-waveshare-dsi-touch-v2-5-75cdbeac5156@oss.qualcomm.com>","References":"<20260411-waveshare-dsi-touch-v2-0-75cdbeac5156@oss.qualcomm.com>\n <20260411-waveshare-dsi-touch-v2-5-75cdbeac5156@oss.qualcomm.com>","Message-Id":"<177591612547.2802023.3418602345377561200.robh@kernel.org>","Subject":"Re: [PATCH v2 05/21] dt-bindings: dipslay/panel: describe panels\n using Focaltech OTA7290B"}},{"id":3676221,"web_url":"http://patchwork.ozlabs.org/comment/3676221/","msgid":"<85a1c43e-7cf9-44db-903e-4a0dd73e3447@oss.qualcomm.com>","list_archive_url":null,"date":"2026-04-12T00:44:29","subject":"Re: [PATCH v2 05/21] dt-bindings: dipslay/panel: describe panels\n using Focaltech OTA7290B","submitter":{"id":90146,"url":"http://patchwork.ozlabs.org/api/people/90146/","name":"Jie Gan","email":"jie.gan@oss.qualcomm.com"},"content":"On 4/11/2026 8:10 PM, Dmitry Baryshkov wrote:\n> Add schema for the panels using Focaltech OTA7290B controller. For now\n> there is only one such panel, from the Waveshare 8.8 DSI TOUCH-A kit.\n> \n> Signed-off-by: Dmitry Baryshkov \n> ---\n> .../bindings/display/panel/focaltech,ota7290b.yaml | 70 ++++++++++++++++++++++\n> 1 file changed, 70 insertions(+)\n> \n> diff --git a/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml b/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml\n> new file mode 100644\n> index 000000000000..f2f6e254b7de\n> --- /dev/null\n> +++ b/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml\n> @@ -0,0 +1,70 @@\n> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)\n> +%YAML 1.2\n> +---\n> +$id: http://devicetree.org/schemas/display/panel/focaltech,ota7290b.yaml#\n> +$schema: http://devicetree.org/meta-schemas/core.yaml#\n> +\n> +title: Focaltech OTA7290B DSI panels\n> +\n> +maintainers:\n> + - Dmitry Baryshkov \n> +\n> +allOf:\n> + - $ref: panel-common.yaml#\n> +\n> +properties:\n> + compatible:\n> + const: waveshare,8.88-dsi-touch-a\n\nmismatch with the compatible in the example.\n\n> +\n> + reg:\n> + maxItems: 1\n> +\n> + vdd-supply:\n> + description: supply regulator for VDD, usually 3.3V\n> +\n> + vdda-supply:\n> + description: supply regulator for VDDA, 7-10V\n> +\n> + vcc-supply:\n> + description: supply regulator for VCCIO, usually 1.5V\n> +\n> + reset-gpios: true\n> + backlight: true\n> + rotation: true\n> + port: true\n> +\n> +required:\n> + - compatible\n> + - reg\n> + - vdd-supply\n> + - vccio-supply\n\ndefined as vcc-supply in property block.\n\nThanks,\nJie\n\n> + - reset-gpios\n> +\n> +additionalProperties: false\n> +\n> +examples:\n> + - |\n> + #include \n> +\n> + dsi {\n> + #address-cells = <1>;\n> + #size-cells = <0>;\n> +\n> + panel@0 {\n> + compatible = \"waveshare,8.8-dsi-touch-a\";\n> + reg = <0>;\n> + vdd-supply = <&vdd>;\n> + vccio-supply = <&vccio>;\n> + reset-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;\n> + backlight = <&backlight>;\n> +\n> + port {\n> + endpoint {\n> + remote-endpoint = <&mipi_out_panel>;\n> + };\n> + };\n> + };\n> + };\n> +\n> +...\n> +\n>","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=EVgzHLsM;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=gtyJEHUq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.232.135.74; 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