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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35e41355470sm7751367a91.17.2026.04.11.17.44.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Apr 2026 17:44:37 -0700 (PDT) Message-ID: <85a1c43e-7cf9-44db-903e-4a0dd73e3447@oss.qualcomm.com> Date: Sun, 12 Apr 2026 08:44:29 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 05/21] dt-bindings: dipslay/panel: describe panels using Focaltech OTA7290B To: Dmitry Baryshkov , Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Cong Yang , Ondrej Jirman , Javier Martinez Canillas , Jagan Teki , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org References: <20260411-waveshare-dsi-touch-v2-0-75cdbeac5156@oss.qualcomm.com> <20260411-waveshare-dsi-touch-v2-5-75cdbeac5156@oss.qualcomm.com> Content-Language: en-US From: Jie Gan In-Reply-To: <20260411-waveshare-dsi-touch-v2-5-75cdbeac5156@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEyMDAwMyBTYWx0ZWRfX+Lm46QE8Oc2Y pPN8fgQEmNnxRDJD2OPBWxi/WsMONpVrqrl3n3loO/xPWsQbby4mKnT22kBcGgDIYJLLsxBucWK 2G2PJ0OPq3xoBbyE4tjpal53hAjvk83qdMIJnKNJf4548RPLiBWdLxTFUIMNnM5K6QwbppvsVg6 Ik0eMJOWhy7hnJA+323yVM/Tng5WpDQxd/CP3oNKoPm15pmt/VxQVJNYANb5V2ASPaR9nG1jDPm WnILLhN7KUcF2S9saq6KXDBHm0Y2HCXDxey/LM+hGg6QPf7PsKijGJkL/OixQlRJoNjnqId3iYP bWa9+Qc3obVytG7LwREAlsCSmmMql28L4q7XhhjzhEfIu+H/xCHQ9Em8jHKgRMCJx9s6zsUqPF1 Mu+v1pTyiUgd6tfXsXOU+HWV/QBDiFjzfi6QB0EUYPE9zPokQ36hc9EjlXt3coo/8QwKuX8HqHE oAEvhnHHteH4W/qziMQ== X-Proofpoint-ORIG-GUID: KnBCH_yPVrqGlMS8ilqqHP9qqioOyTvV X-Proofpoint-GUID: KnBCH_yPVrqGlMS8ilqqHP9qqioOyTvV X-Authority-Analysis: v=2.4 cv=d/LFDxjE c=1 sm=1 tr=0 ts=69daeaf7 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=XmleDvvGYaDDAQC-lZAA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-11_07,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 malwarescore=0 phishscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604120003 On 4/11/2026 8:10 PM, Dmitry Baryshkov wrote: > Add schema for the panels using Focaltech OTA7290B controller. For now > there is only one such panel, from the Waveshare 8.8 DSI TOUCH-A kit. > > Signed-off-by: Dmitry Baryshkov > --- > .../bindings/display/panel/focaltech,ota7290b.yaml | 70 ++++++++++++++++++++++ > 1 file changed, 70 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml b/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml > new file mode 100644 > index 000000000000..f2f6e254b7de > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml > @@ -0,0 +1,70 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/panel/focaltech,ota7290b.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Focaltech OTA7290B DSI panels > + > +maintainers: > + - Dmitry Baryshkov > + > +allOf: > + - $ref: panel-common.yaml# > + > +properties: > + compatible: > + const: waveshare,8.88-dsi-touch-a mismatch with the compatible in the example. > + > + reg: > + maxItems: 1 > + > + vdd-supply: > + description: supply regulator for VDD, usually 3.3V > + > + vdda-supply: > + description: supply regulator for VDDA, 7-10V > + > + vcc-supply: > + description: supply regulator for VCCIO, usually 1.5V > + > + reset-gpios: true > + backlight: true > + rotation: true > + port: true > + > +required: > + - compatible > + - reg > + - vdd-supply > + - vccio-supply defined as vcc-supply in property block. Thanks, Jie > + - reset-gpios > + > +additionalProperties: false > + > +examples: > + - | > + #include > + > + dsi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + panel@0 { > + compatible = "waveshare,8.8-dsi-touch-a"; > + reg = <0>; > + vdd-supply = <&vdd>; > + vccio-supply = <&vccio>; > + reset-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; > + backlight = <&backlight>; > + > + port { > + endpoint { > + remote-endpoint = <&mipi_out_panel>; > + }; > + }; > + }; > + }; > + > +... > + >