linux-kernel - [PATCH 1/2] media: dt-bindings: Add Sony IMX728

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Message-Id: <20250625-imx728-on-6-12-v4-v1-1-cfc6e18c3e23@d3embedded.com>
Date: Wed, 25 Jun 2025 14:20:03 -0400
From: Stuart Burtner via B4 Relay <devnull+sburtner.d3embedded.com@...nel.org>
To: Stuart Burtner <sburtner@...mbedded.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Spencer Hill <shill@...ngineering.com>, 
 Sebastian LaVine <slavine@...ngineering.com>
Subject: [PATCH 1/2] media: dt-bindings: Add Sony IMX728

From: Stuart Burtner <sburtner@...mbedded.com>

Add bindings for the Sony IMX728.

Co-developed-by: Spencer Hill <shill@...ngineering.com>
Signed-off-by: Spencer Hill <shill@...ngineering.com>
Co-developed-by: Sebastian LaVine <slavine@...ngineering.com>
Signed-off-by: Sebastian LaVine <slavine@...ngineering.com>
Signed-off-by: Stuart Burtner <sburtner@...mbedded.com>
---
 .../devicetree/bindings/media/i2c/sony,imx728.yaml | 95 ++++++++++++++++++++++
 MAINTAINERS                                        |  6 ++
 2 files changed, 101 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..3da4be0817d1bebf9058cd10b2f8dd81dc484be7
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/sony,imx728.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sony IMX728 Camera Sensor
+
+maintainers:
+  - Stuart Burtner <sburtner@...mbedded.com>
+
+description:
+  The Sony IMX728 is a 1/1.72-Inch CMOS Solid-state image sensor with a
+  color square pixel array and 8.39M active pixels. It is programmed
+  through an I2C interface.
+
+  The sensor can output up to 3840x2160 at a maximum of 45 frames/s over
+  a CSI-2 serial interface. It supports RAW24/20/16/12 and 10.
+
+properties:
+  compatible:
+    enum:
+      - sony,imx728
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description: Clock frequency from 18 to 30MHz
+    maxItems: 1
+
+  clock-names:
+    const: inck
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      XCLR (System Reset) pin.
+
+  error0-gpios:
+    maxItems: 1
+    description:
+      XWRN pin.
+
+  error1-gpios:
+    maxItems: 1
+    description:
+      XERR pin.
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    additionalProperties: false
+
+    properties:
+      endpoint:
+        $ref: ../video-interfaces.yaml#
+        unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        camera@1a {
+            compatible = "sony,imx728";
+            reg = <0x1a>;
+
+            clocks = <&fixed_clock>;
+            clock-names = "inck";
+
+            reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
+            error0-gpios = <&sens_exp 1 GPIO_ACTIVE_HIGH>;
+            error1-gpios = <&sens_exp 2 GPIO_ACTIVE_HIGH>;
+
+            port {
+                camera1: endpoint {
+                    remote-endpoint = <&vin1a_ep>;
+                };
+            };
+        };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index d0f18fdba068b0cc2dce434e0471f6a9a3330843..74db2caf18157dec74fb2e23c33f66522092941c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21546,6 +21546,12 @@ T:	git git://linuxtv.org/media.git
 F:	Documentation/devicetree/bindings/media/i2c/sony,imx415.yaml
 F:	drivers/media/i2c/imx415.c
 
+SONY IMX728 SENSOR DRIVER
+M:	Stuart Burtner <sburtner@...mbedded.com>
+L:	linux-media@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
+
 SONY MEMORYSTICK SUBSYSTEM
 M:	Maxim Levitsky <maximlevitsky@...il.com>
 M:	Alex Dubov <oakad@...oo.com>

-- 
2.34.1