linux-kernel - [PATCH v2 1/2] dt-bindings: display: panel: Add Novatek NT37801

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Message-Id: <20250508-sm8750-display-panel-v2-1-3ca072e3d1fa@linaro.org>
Date: Thu, 08 May 2025 16:34:47 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v2 1/2] dt-bindings: display: panel: Add Novatek NT37801

Add bindings for the Novatek NT37801 or NT37810 AMOLED DSI panel.
Sources, like downstream DTS, schematics and hardware manuals, use two
model names (NT37801 and NT37810), so choose one and hope it is correct.

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/display/panel/novatek,nt37801.yaml    | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..1b38c1d0af6825341e047af57584a93261e7af2c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/novatek,nt37801.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Novatek NT37801 AMOLED DSI Panel
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@...nel.org>
+
+description:
+  Naming is inconclusive and different sources claim this is either Novatek
+  NT37801 or NT37810 AMOLED DSI Panel.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: novatek,nt37801
+
+  reg:
+    maxItems: 1
+    description: DSI virtual channel
+
+  vci-supply: true
+  vdd-supply: true
+  vddio-supply: true
+  port: true
+  reset-gpios: true
+
+required:
+  - compatible
+  - reg
+  - vci-supply
+  - vdd-supply
+  - vddio-supply
+  - port
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "novatek,nt37801";
+            reg = <0>;
+
+            vci-supply = <&vreg_l13b_3p0>;
+            vdd-supply = <&vreg_l11b_1p2>;
+            vddio-supply = <&vreg_l12b_1p8>;
+
+            reset-gpios = <&tlmm 98 GPIO_ACTIVE_LOW>;
+
+            port {
+                endpoint {
+                    remote-endpoint = <&dsi0_out>;
+                };
+            };
+        };
+    };
+...

-- 
2.45.2