linux-kernel - [PATCH v4 5/8] dt-bindings: media: add bindings for TI DS90UB953

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Message-Id: <20221101132032.1542416-6-tomi.valkeinen@ideasonboard.com>
Date:   Tue,  1 Nov 2022 15:20:29 +0200
From:   Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To:     devicetree@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org
Cc:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        Jacopo Mondi <jacopo@...ndi.org>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Luca Ceresoli <luca@...aceresoli.net>,
        Mark Rutland <mark.rutland@....com>,
        Matti Vaittinen <Matti.Vaittinen@...rohmeurope.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Peter Rosin <peda@...ntia.se>,
        Rob Herring <robh+dt@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        satish.nagireddy@...cruise.com,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Subject: [PATCH v4 5/8] dt-bindings: media: add bindings for TI DS90UB953

Add DT bindings for TI DS90UB953 FPDLink-3 Serializer.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
---
 .../bindings/media/i2c/ti,ds90ub953.yaml      | 120 ++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml
new file mode 100644
index 000000000000..355f7d6a19fe
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/ti,ds90ub953.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments DS90UB953 FPD-Link 3 Serializer
+
+maintainers:
+  - Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
+
+description: |
+  The TI DS90UB953 is an FPD-Link 3 video serializer for MIPI CSI-2.
+
+properties:
+  compatible:
+    enum:
+      - ti,ds90ub953-q1
+      - ti,ds90ub971-q1
+
+  '#gpio-cells':
+    const: 2
+
+  gpio-controller: true
+
+  '#clock-cells':
+    const: 0
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+
+      port@0:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        description: CSI-2 input port
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+
+      port@1:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        description: FPD-Link 3 output port
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+
+  i2c:
+    $ref: /schemas/i2c/i2c-controller.yaml#
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - '#gpio-cells'
+  - gpio-controller
+  - '#clock-cells'
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    serializer {
+      compatible = "ti,ds90ub953-q1";
+
+      gpio-controller;
+      #gpio-cells = <2>;
+
+      #clock-cells = <0>;
+
+      ports {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        port@0 {
+          reg = <0>;
+          ub953_in: endpoint {
+            clock-lanes = <0>;
+            data-lanes = <1 2 3 4>;
+            remote-endpoint = <&sensor_out>;
+          };
+        };
+
+        port@1 {
+          reg = <1>;
+          endpoint {
+            remote-endpoint = <&deser_fpd_in>;
+          };
+        };
+      };
+
+      i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sensor@21 {
+          compatible = "sony,imx390";
+          reg = <0x21>;
+
+          clocks = <&clk_cam_27M>;
+          clock-names = "inck";
+
+          xclr-gpios = <&serializer 0 GPIO_ACTIVE_LOW>;
+          error0-gpios = <&serializer 1 GPIO_ACTIVE_HIGH>;
+          error1-gpios = <&serializer 2 GPIO_ACTIVE_HIGH>;
+          comready-gpios = <&serializer 3 GPIO_ACTIVE_HIGH>;
+
+          port {
+            sensor_out: endpoint {
+              remote-endpoint = <&ub953_in>;
+            };
+          };
+        };
+      };
+    };
+...
-- 
2.34.1