linux-kernel - [PATCH v2 1/2] dt-bindings: display: panel: Add Novatek NT36523 bindings

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Date:   Mon, 20 Feb 2023 20:12:57 +0800
From:   Jianhua Lu <lujianhua000@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Jianhua Lu <lujianhua000@...il.com>
Subject: [PATCH v2 1/2] dt-bindings: display: panel: Add Novatek NT36523 bindings

Novatek NT36523 is a display driver IC used to drive DSI panels.

Signed-off-by: Jianhua Lu <lujianhua000@...il.com>
---
Changes in v2:
  - Drop unnecessary description
  - dsi0 -> dsi
  - Correct indentation

 .../display/panel/novatek,nt36523.yaml        | 95 +++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
new file mode 100644
index 000000000000..544c3c6e568b
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/novatek,nt36523.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Novatek NT36523 based DSI display Panels
+
+maintainers:
+  - Jianhua Lu <lujianhua000@...il.com>
+
+description: |
+  The Novatek NT36523 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.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - xiaomi,elish-boe-nt36523
+          - xiaomi,elish-csot-nt36523
+      - const: novatek,nt36523
+
+  reset-gpios:
+    maxItems: 1
+    description: phandle of gpio for reset line - This should be 8mA
+
+  vddio-supply:
+    description: regulator that supplies the I/O voltage
+
+  vddpos-supply:
+    description: positive boost supply regulator
+
+  vddneg-supply:
+    description: negative boost supply regulator
+
+  reg: true
+  ports: true
+  backlight: true
+
+required:
+  - compatible
+  - reg
+  - vddio-supply
+  - vddpos-supply
+  - vddneg-supply
+  - reset-gpios
+  - ports
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "xiaomi,elish-csot-nt36523", "novatek,nt36523";
+            reg = <0>;
+            vddio-supply = <&vreg_l14a_1p88>;
+            vddpos-supply = <&lcd_vddpos_5p5>;
+            vddneg-supply = <&lcd_vddneg_5p5>;
+
+            backlight = <&backlight>;
+            reset-gpios = <&tlmm 75 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>;
+                    };
+                };
+            };
+        };
+    };
+
+...
-- 
2.39.2