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Message-Id: <20230210161925.32343-1-lujianhua000@gmail.com>
Date: Sat, 11 Feb 2023 00:19:24 +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 1/2] dt-bindings: display: panel: Add Novatek NT36523 bindings
Novatek NT36523 is a display driver IC that can drive DSI panel. It
is also present in the csot and boe video mode panels. It is found
in Xiaomi Mi Pad 5 series.
Signed-off-by: Jianhua Lu <lujianhua000@...il.com>
---
.../display/panel/novatek,nt36523.yaml | 101 ++++++++++++++++++
1 file changed, 101 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..a7098d0ce7e1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
@@ -0,0 +1,101 @@
+# 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 nt36523 IC from Novatek is a generic DSI Panel IC used to drive dsi
+ panels.
+ Right now, only support cost and boe LCD display panels with the
+ resolution of 1600x2560. It is a video mode DSI panel.
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - xiaomi,elish-csot-nt36523
+ - xiaomi,elish-boe-nt36523
+ - const: novatek,nt36523
+ description: This indicates the panel manufacturer of the panel that is
+ in turn using the NT36523 panel driver. This compatible string
+ determines how the NT36523 panel driver is configured for the indicated
+ panel. The novatek,nt36523 compatible shall always be provided as a fallback.
+
+ 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)
+
+ 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>
+
+ dsi0 {
+ #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>;
+ };
+ };
+ };
+ };
+ };
+
+...
--
2.39.1
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