linux-kernel - [PATCH v3 1/2] dt-bindings: display: bridge: Add bindings for Chipone ICN6211

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Message-Id: <20210214175211.105107-1-jagan@amarulasolutions.com>
Date:   Sun, 14 Feb 2021 23:22:10 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [PATCH v3 1/2] dt-bindings: display: bridge: Add bindings for Chipone ICN6211

ICN6211 is MIPI-DSI to RGB Convertor bridge from Chipone.

It has a flexible configuration of MIPI DSI signal input and
produce RGB565, RGB666, RGB888 output format.

Add dt-bingings for it.

Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
---
Changes for v3:
- updated to new dt-bindings style

 .../display/bridge/chipone,icn6211.yaml       | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
new file mode 100644
index 000000000000..13764f13fe46
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/chipone,icn6211.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Chipone ICN6211 MIPI-DSI to RGB Converter bridge
+
+maintainers:
+  - Jagan Teki <jagan@...rulasolutions.com>
+
+description: |
+  ICN6211 is MIPI-DSI to RGB Convertor bridge from chipone.
+
+  It has a flexible configuration of MIPI DSI signal input and
+  produce RGB565, RGB666, RGB888 output format.
+
+properties:
+  compatible:
+    enum:
+      - chipone,icn6211
+
+  reg:
+    maxItems: 1
+    description: virtual channel number of a DSI peripheral
+
+  reset-gpios:
+    description: GPIO connected for the reset pin
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Video port for MIPI DSI input
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Video port for MIPI DPI output (panel or connector).
+
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      bridge@0 {
+        compatible = "chipone,icn6211";
+        reg = <0>;
+        reset-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* LCD-RST: PL5 */
+
+        ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          bridge_in: port@0 {
+            reg = <0>;
+
+            bridge_out_dsi: endpoint {
+              remote-endpoint = <&dsi_out_bridge>;
+            };
+          };
+
+          bridge_out: port@1 {
+            reg = <1>;
+
+            bridge_out_panel: endpoint {
+              remote-endpoint = <&panel_out_bridge>;
+            };
+          };
+        };
+      };
+    };
-- 
2.25.1