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 <mitltlatltl@gmail.com>
---
v4:
- use v2 as the base since v3 was using v1 as the base by mistake
- remove '|' from description (Krzysztof)
- drop description for reset-gpios (Krzysztof)

v3:
- remove '|' from description (Krzysztof)
- drop description for reset-gpios (Krzysztof)
---
 .../display/panel/himax,hx83121a.yaml         | 91 +++++++++++++++++++
 1 file changed, 91 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..e067a2f6d0
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml
@@ -0,0 +1,91 @@
+# 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 <mitltlatltl@gmail.com>
+
+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.
+
+allOf:
+  - $ref: panel-common-dual.yaml#
+
+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
+  ports: true
+
+required:
+  - compatible
+  - reg
+  - vddi-supply
+  - reset-gpios
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    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

On Mon, 16 Mar 2026 16:40:39 +0800, Pengyu Luo wrote:
> 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 <mitltlatltl@gmail.com>
> ---
> v4:
> - use v2 as the base since v3 was using v1 as the base by mistake
> - remove '|' from description (Krzysztof)
> - drop description for reset-gpios (Krzysztof)
> 
> v3:
> - remove '|' from description (Krzysztof)
> - drop description for reset-gpios (Krzysztof)
> ---
>  .../display/panel/himax,hx83121a.yaml         | 91 +++++++++++++++++++
>  1 file changed, 91 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>