linux-kernel - [PATCH v3 1/2] dt-bindings: display: panel: Add bindings for Tianma nt36672a panel

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Date:   Mon, 27 Jul 2020 13:13:47 +0530
From:   Sumit Semwal <sumit.semwal@...aro.org>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>
Subject: [PATCH v3 1/2] dt-bindings: display: panel: Add bindings for Tianma nt36672a panel

The nt36672a panel from Tianma is a FHD+ panel with a resolution of
1080x2246 and 6.18 inches size. It is found in some of the Poco F1
phones.

Signed-off-by: Sumit Semwal <sumit.semwal@...aro.org>

---
v2: remove ports node, making port@0 directly under panel@0 node.
v3: updated to replace port@0 to just 'port'.
---
 .../display/panel/tianma,nt36672a.yaml        | 95 +++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/tianma,nt36672a.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/tianma,nt36672a.yaml b/Documentation/devicetree/bindings/display/panel/tianma,nt36672a.yaml
new file mode 100644
index 000000000000..03dc323332a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/tianma,nt36672a.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/tianma,nt36672a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Tianma model NT36672A DSI Panel display driver
+
+maintainers:
+  - Sumit Semwal <sumit.semwal@...aro.org>
+
+description: |
+  The nt36672a panel from Tianma is a FHD+ LCD display panel with a resolution
+  of 1080x2246. It is a video mode DSI panel.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: tianma,nt36672a
+
+  reg:
+    description: DSI virtual channel of the peripheral
+
+  reset-gpios:
+    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: phandle of the regulator that provides the supply voltage
+      Power IC supply
+
+  vddpos-supply:
+    description: phandle of the positive boost supply regulator
+
+  vddneg-supply:
+    description: phandle of the negative boost supply regulator
+
+  pinctrl-names:
+    description: Pinctrl for panel active and suspend
+
+  pinctrl-0:
+    description: Active pinctrls
+
+  pinctrl-1:
+    description: Suspend pinctrls
+
+  port: true
+
+required:
+  - compatible
+  - reg
+  - vddi0-supply
+  - vddpos-supply
+  - vddneg-supply
+  - reset-gpios
+  - pinctrl-names
+  - pinctrl-0
+  - pinctrl-1
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |+
+    #include <dt-bindings/gpio/gpio.h>
+    dsi0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      panel@0 {
+        compatible = "tianma,nt36672a";
+        reg = <0>;
+        vddi0-supply = <&vreg_l14a_1p88>;
+        vddpos-supply = <&lab>;
+        vddneg-supply = <&ibb>;
+
+        reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
+
+        pinctrl-names = "panel_active", "panel_suspend";
+        pinctrl-0 = <&sde_dsi_active>;
+        pinctrl-1 = <&sde_dsi_suspend>;
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+        port {
+          tianma_nt36672a_in_0: endpoint {
+            remote-endpoint = <&dsi0_out>;
+          };
+        };
+      };
+    };
+
+...
-- 
2.27.0