linux-kernel - [PATCH v4 1/2] [media] imx214: device tree binding

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Message-Id: <20181002140515.16299-1-ricardo.ribalda@gmail.com>
Date:   Tue,  2 Oct 2018 16:05:15 +0200
From:   Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:     "\ Hans Verkuil" <hans.verkuil@...co.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        jacopo@...ndi.org, phdm@...q.eu
Cc:     Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
        devicetree@...r.kernel.org
Subject: [PATCH v4 1/2] [media] imx214: device tree binding

Document bindings for imx214 camera sensor

Cc: devicetree@...r.kernel.org
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
Changelog from v3:

Sakari Ailus:
-s/should/shall/
-remove clock-lanes

Philippe De Muyter:
-s/imx274/imx214/

Laurent Pinchart:
-s/to to/to/
-Better description of lanes
-clock-names: Shall be "xclk"
-Drop clock-freq

 .../devicetree/bindings/media/i2c/imx214.txt  | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/imx214.txt

diff --git a/Documentation/devicetree/bindings/media/i2c/imx214.txt b/Documentation/devicetree/bindings/media/i2c/imx214.txt
new file mode 100644
index 000000000000..421a019ab7f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/imx214.txt
@@ -0,0 +1,53 @@
+* Sony 1/3.06-Inch 13.13Mp CMOS Digital Image Sensor
+
+The Sony imx214 is a 1/3.06-inch CMOS active pixel digital image sensor with
+an active array size of 4224H x 3200V. It is programmable through an I2C
+interface. The I2C address can be configured to 0x1a or 0x10, depending on
+how the hardware is wired.
+Image data is sent through MIPI CSI-2, through 2 or 4 lanes at a maximum
+throughput of 1.2Gbps/lane.
+
+
+Required Properties:
+- compatible: value should be "sony,imx214" for imx214 sensor
+- reg: I2C bus address of the device
+- enable-gpios: GPIO descriptor for the enable pin.
+- vdddo-supply: Chip digital IO regulator (1.8V).
+- vdda-supply: Chip analog regulator (2.7V).
+- vddd-supply: Chip digital core regulator (1.12V).
+- clocks: Reference to the xclk clock.
+- clock-names:  Shall be "xclk".
+
+Optional Properties:
+- flash-leds: See ../video-interfaces.txt
+- lens-focus: See ../video-interfaces.txt
+
+The imx214 device node shall contain one 'port' child node with
+an 'endpoint' subnode. For further reading on port node refer to
+Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Required Properties on endpoint:
+- data-lanes: check ../video-interfaces.txt
+- link-frequencies: check ../video-interfaces.txt
+- remote-endpoint: check ../video-interfaces.txt
+
+Example:
+
+	camera_rear@1a {
+		compatible = "sony,imx214";
+		reg = <0x1a>;
+		vdddo-supply = <&pm8994_lvs1>;
+		vddd-supply = <&camera_vddd_1v12>;
+		vdda-supply = <&pm8994_l17>;
+		lens-focus = <&ad5820>;
+		enable-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>;
+		clocks = <&mmcc CAMSS_MCLK0_CLK>;
+		clock-names = "xclk";
+		port {
+			imx214_ep: endpoint {
+				data-lanes = <1 2 3 4>;
+				link-frequencies = /bits/ 64 <480000000>;
+				remote-endpoint = <&csiphy0_ep>;
+			};
+		};
+	};
-- 
2.19.0