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Message-ID: <20240904145238.21099-2-sylvain.petinot@foss.st.com>
Date: Wed, 4 Sep 2024 16:52:37 +0200
From: Sylvain Petinot <sylvain.petinot@...s.st.com>
To: <benjamin.mugnier@...s.st.com>, <sylvain.petinot@...s.st.com>,
        <mchehab@...nel.org>, <robh@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <sakari.ailus@...ux.intel.com>
CC: <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <tomm.merciai@...il.com>,
        <laurent.pinchart@...asonboard.com>
Subject: [PATCH v3 1/2] media: dt-bindings: Add ST VD56G3 camera sensor

Add devicetree bindings Documentation for ST VD56G3 & ST VD66GY camera
sensors. Update MAINTAINERS file.

Signed-off-by: Sylvain Petinot <sylvain.petinot@...s.st.com>
---
 .../bindings/media/i2c/st,vd56g3.yaml         | 139 ++++++++++++++++++
 MAINTAINERS                                   |   9 ++
 2 files changed, 148 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/st,vd56g3.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/st,vd56g3.yaml b/Documentation/devicetree/bindings/media/i2c/st,vd56g3.yaml
new file mode 100644
index 000000000000..c6673b8539db
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/st,vd56g3.yaml
@@ -0,0 +1,139 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (c) 2024 STMicroelectronics SA.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/st,vd56g3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics VD56G3 Global Shutter Image Sensor
+
+maintainers:
+  - Benjamin Mugnier <benjamin.mugnier@...s.st.com>
+  - Sylvain Petinot <sylvain.petinot@...s.st.com>
+
+description: |-
+  The STMicroelectronics VD56G3 is a 1.5 M pixel global shutter image sensor
+  with an active array size of 1124 x 1364 (portrait orientation). It is
+  programmable through I2C, the address is fixed to 0x10. The sensor output is
+  available via CSI-2, which is configured as either 1 or 2 data lanes. The
+  sensor provides 8 GPIOS that can be used for external LED signal
+  (synchronized with sensor integration periods)
+
+allOf:
+  - $ref: /schemas/media/video-interface-devices.yaml#
+
+properties:
+  compatible:
+    enum:
+      - st,vd56g3
+      - st,vd66gy
+    description:
+      Two variants are availables; VD56G3 is a monochrome sensor while VD66GY
+      is a colour variant.
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  vcore-supply:
+    description: Digital core power supply (1.15V)
+
+  vddio-supply:
+    description: Digital IO power supply (1.8V)
+
+  vana-supply:
+    description: Analog power supply (2.8V)
+
+  reset-gpios:
+    description: Sensor reset active low GPIO (XSHUTDOWN)
+    maxItems: 1
+
+  st,leds:
+    description:
+      List sensor's GPIOs used to control strobe light sources during exposure
+      time. The numbers identify the sensor pin on which the illumination system
+      is connected. GPIOs are active-high.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 8
+    items:
+      minimum: 0
+      maximum: 7
+
+  port:
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    additionalProperties: false
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          data-lanes:
+            minItems: 1
+            maxItems: 2
+            items:
+              enum: [1, 2]
+
+          link-frequencies:
+            maxItems: 1
+            items:
+              enum: [402000000, 750000000]
+
+          lane-polarities:
+            minItems: 1
+            maxItems: 3
+            description: Any lane can be inverted or not.
+
+        required:
+          - data-lanes
+          - link-frequencies
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - vcore-supply
+  - vddio-supply
+  - vana-supply
+  - reset-gpios
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        camera-sensor@10 {
+            compatible = "st,vd56g3";
+            reg = <0x10>;
+
+            clocks = <&camera_clk_12M>;
+
+            vcore-supply = <&camera_vcore_v1v15>;
+            vddio-supply = <&camera_vddio_v1v8>;
+            vana-supply = <&camera_vana_v2v8>;
+
+            reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
+            st,leds = <6>;
+
+            orientation = <2>;
+            rotation = <0>;
+
+            port {
+                endpoint {
+                    data-lanes = <1 2>;
+                    link-frequencies = /bits/ 64 <402000000>;
+                    remote-endpoint = <&csiphy0_ep>;
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index e6d77bea5db5..e58deb5b3047 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21561,6 +21561,14 @@ S:	Maintained
 F:	Documentation/hwmon/stpddc60.rst
 F:	drivers/hwmon/pmbus/stpddc60.c
 
+ST VD56G3 IMAGE SENSOR DRIVER
+M:	Benjamin Mugnier <benjamin.mugnier@...s.st.com>
+M:	Sylvain Petinot <sylvain.petinot@...s.st.com>
+L:	linux-media@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/media/i2c/st,vd56g3.yaml
+F:	drivers/media/i2c/vd56g3.c
+
 ST VGXY61 DRIVER
 M:	Benjamin Mugnier <benjamin.mugnier@...s.st.com>
 M:	Sylvain Petinot <sylvain.petinot@...s.st.com>
@@ -23947,6 +23955,7 @@ F:	drivers/media/i2c/mt*
 F:	drivers/media/i2c/og*
 F:	drivers/media/i2c/ov*
 F:	drivers/media/i2c/s5*
+F:	drivers/media/i2c/vd56g3.c
 F:	drivers/media/i2c/vgxy61.c
 
 VF610 NAND DRIVER
-- 
2.17.1


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