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Sun, 30 Aug 2026 06:01:03 -0700 (PDT) Message-ID: <08cf135f-7fef-4dae-88d5-2ee0a080853d@linaro.org> Date: Sun, 30 Aug 2026 14:59:34 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH RFC 1/2] dt-bindings: display: panel: Add bindings for Novatek NT51021 To: Nickolay Goppen , 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 References: <20260829-qcom-novatek-nt51021-panels-v1-0-cc1ca61bd261@mainlining.org> <20260829-qcom-novatek-nt51021-panels-v1-1-cc1ca61bd261@mainlining.org> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260829-qcom-novatek-nt51021-panels-v1-1-cc1ca61bd261@mainlining.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 8/29/26 22:09, Nickolay Goppen wrote: > Novatek NT51021 is a display driver IC that can drive DSI panel. It > is also present in the BOE TV101WUM-NX0 video mode panel, which is a WUXGA > panel with a resolution of 1200x1920 and 10.1 inches size. It is found in > Xiaomi Mi Pad 4 Plus. > > This patch adds the bindings for display driver for the IC, with support > added for this BOE TV101WUM-NX0 WUXGA video mode panel. > > Signed-off-by: Nickolay Goppen > --- > .../bindings/display/panel/novatek,nt51021.yaml | 93 ++++++++++++++++++++++ > MAINTAINERS | 5 ++ > 2 files changed, 98 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml > new file mode 100644 > index 000000000000..a3e4ed10e645 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml > @@ -0,0 +1,93 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/panel/novatek,nt51021.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Novatek NT51021 based DSI display Panels > + > +maintainers: > + - Nickolay Goppen > + > +description: | > + The NT51021 IC from Novatek is a generic DSI Panel IC used to drive dsi > + panels. > + Right now, support is added only for a BOE WUXGA LCD display panels with a > + resolution of 1200x1920. They are video mode DSI panels. > + > +allOf: > + - $ref: panel-common.yaml# > + > +properties: > + compatible: > + items: > + - enum: > + - boe,tv101wum-nx0 > + - boe,tv080wum-nx2 > + - const: novatek,nt51021 > + description: This indicates the panel manufacturer of the panel that is > + in turn using the NT51021 panel driver. This compatible string > + determines how the NT51021 panel driver is configured for the indicated > + panel. The novatek,nt51021 compatible shall always be provided as a fallback. > + You can drop the description entirely here. > + reg: > + maxItems: 1 > + > + reset-gpios: > + maxItems: 1 > + description: phandle of gpio for reset line - This should be 8mA, gpio > + can be configured using mux, pinctrl, pinctrl-names (active high) > + > + vdd-supply: > + description: phandle of the regulator that provides the supply voltage > + for digital circuits > + > + avdd-supply: > + description: phandle of the regulator that provides the supply voltage > + for analog circuits > + > + havdd-supply: > + description: phandle of the regulator that provides the supply voltage > + for analog circuits > + > + port: true > + backlight: true > + > +required: > + - compatible > + - reg > + - vdd-supply > + - avdd-supply > + - havdd-supply > + - reset-gpios > + - port > + > +unevaluatedProperties: false > + > +examples: > + - |+ > + #include > + > + dsi0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + panel@0 { > + compatible = "boe,tv101wum-nx0", "novatek,nt51021"; > + reg = <0>; > + vdd-supply = <&lcd_pwr>; > + avdd-supply = <&lcd_pwr>; > + havdd-supply = <&lcd_pwr>; > + > + backlight = <&i2c_backlight>; > + reset-gpios = <&tlmm 62 GPIO_ACTIVE_LOW>; > + > + port { > + panel_in: endpoint { > + remote-endpoint = <&dsi0_out>; > + }; > + }; > + }; > + }; > + > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index 7291238bc09f..6cbf9ee3fa9b 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -8354,6 +8354,11 @@ S: Maintained > F: Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml > F: drivers/gpu/drm/panel/panel-novatek-nt37801.c > > +DRM DRIVER FOR NOVATEK NT51021 PANELS > +M: Nickolay Goppen > +S: Maintained > +F: Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml > + > DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS > M: Lyude Paul > M: Danilo Krummrich > Move the MAINTAINERS change in a separate commit. Neil