linux-kernel - [PATCH 1/2] dt-bindings: media: i2c: add galaxycore,gc2145 dt-bindings

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Date:   Tue, 26 Sep 2023 11:28:19 +0200
From:   Alain Volmat <alain.volmat@...s.st.com>
To:     Alain Volmat <alain.volmat@...s.st.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC:     Andrey Skvortsov <andrej.skvortzov@...il.com>,
        Rob Herring <robh@...nel.org>, <linux-media@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] dt-bindings: media: i2c: add galaxycore,gc2145 dt-bindings

Introduction of the Galaxy Core GC2145 XVGA CMOS camera sensor.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 .../bindings/media/i2c/galaxycore,gc2145.yaml | 108 ++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 2 files changed, 110 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml
new file mode 100644
index 000000000000..e80b581498fc
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml
@@ -0,0 +1,108 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/galaxycore,gc2145.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Galaxy Core 1/5'' UXGA CMOS Image Sensor
+
+maintainers:
+  - Alain Volmat <alain.volmat@...s.st.com>
+
+description: |
+  The Galaxy Core GC2145 is a high quality 2 Mega CMOS image sensor, for mobile
+  phone camera applications and digital camera products. GC2145 incorporates a
+  1616V x 1232H active pixel array, on-chip 10-bit ADC, and image signal
+  processor. It is programmable through an I2C interface. Image data is sent
+  either through a parallel interface or through MIPI CSI-2.
+
+allOf:
+  - $ref: ../video-interface-devices.yaml#
+
+properties:
+  compatible:
+    const: galaxycore,gc2145
+
+  reg:
+    enum:
+      - 0x3c
+
+  clocks:
+    description: Reference to the xclk clock.
+    maxItems: 1
+
+  powerdown-gpios:
+    description: GPIO descriptor for the powerdown pin.
+    maxItems: 1
+
+  reset-gpios:
+    description: GPIO descriptor for the reset pin.
+    maxItems: 1
+
+  IOVDD-supply:
+    description: Power Supply for I/O circuits (1.7 - 3V).
+
+  AVDD-supply:
+    description: Power for analog circuit/sensor array (2.7 - 3V).
+
+  DVDD-supply:
+    description: Power for digital core (1.7 - 1.9V).
+
+  orientation: true
+
+  rotation: true
+
+  port:
+    $ref: /schemas/graph.yaml#/$defs/port-base
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+    required:
+      - endpoint
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - powerdown-gpios
+  - reset-gpios
+  - IOVDD-supply
+  - AVDD-supply
+  - DVDD-supply
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c5 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        gc2145@3c {
+            compatible = "galaxycore,gc2145";
+            reg = <0x3c>;
+            clocks = <&clk_ext_camera>;
+            IOVDD-supply = <&scmi_v3v3_sw>;
+            AVDD-supply = <&scmi_v3v3_sw>;
+            DVDD-supply = <&scmi_v3v3_sw>;
+            powerdown-gpios = <&mcp23017 3 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+            reset-gpios = <&mcp23017 4 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+
+            port {
+                endpoint {
+                    remote-endpoint = <&mipid02_0>;
+                    data-lanes = <1 2>;
+                };
+            };
+        };
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 573578db9509..d9df03bba5bb 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -494,6 +494,8 @@ patternProperties:
     description: Fujitsu Ltd.
   "^fxtec,.*":
     description: FX Technology Ltd.
+  "^galaxycore,.*":
+    description: Galaxy Core Inc.
   "^gardena,.*":
     description: GARDENA GmbH
   "^gateworks,.*":
-- 
2.25.1