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Sun, 15 Mar 2026 07:46:16 -0700 (PDT) From: Pengyu Luo To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Pengyu Luo , Krzysztof Kozlowski Subject: [PATCH v3 1/2] dt-bindings: display: panel: Add Himax HX83121A Date: Sun, 15 Mar 2026 22:45:35 +0800 Message-ID: <20260315144536.515032-2-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260315144536.515032-1-mitltlatltl@gmail.com> References: <20260315144536.515032-1-mitltlatltl@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit HX83121A is a driver IC used to drive MIPI-DSI panels. It is found in HUAWEI Matebook E Go series (Gaokun2/3) with BOE or CSOT panels. Signed-off-by: Pengyu Luo Reviewed-by: Krzysztof Kozlowski --- v3: - remove '|' from description (Krzysztof) - drop description for reset-gpios (Krzysztof) --- .../display/panel/himax,hx83121a.yaml | 86 +++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml diff --git a/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml b/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml new file mode 100644 index 0000000000..603e3ad85b --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/himax,hx83121a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Himax HX83121A based DSI display Panels + +maintainers: + - Pengyu Luo + +description: + The Himax HX83121A is a generic DSI Panel IC used to drive dsi + panels. Support video mode panels from China Star Optoelectronics + Technology (CSOT) and BOE Technology. + +properties: + compatible: + items: + - enum: + - boe,ppc357db1-4 + - csot,ppc357db1-4 + - const: himax,hx83121a + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + avdd-supply: + description: analog positive supply for IC + + avee-supply: + description: analog negative supply for IC + + vddi-supply: + description: power supply for IC + + backlight: true + +required: + - compatible + - reg + - vddi-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "csot,ppc357db1-4", "himax,hx83121a"; + reg = <0>; + + vddi-supply = <&vreg_l2b>; + reset-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + panel_in_0: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + + port@1{ + reg = <1>; + panel_in_1: endpoint { + remote-endpoint = <&dsi1_out>; + }; + }; + }; + }; + }; + +... -- 2.53.0