[V8, 1/2] media: dt-bindings: media: i2c: Document OV02A10 bindings

Dongchun Zhu
2020-05-09T08:08:20Z

Add DT bindings documentation for Omnivision OV02A10 image sensor.

Signed-off-by: Dongchun Zhu <dongchun.zhu@mediatek.com>
---
.../bindings/media/i2c/ovti,ov02a10.yaml | 184 +++++++++++++++++++++
MAINTAINERS | 7 +
2 files changed, 191 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
new file mode 100644
index 0000000..5468d1b
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
@@ -0,0 +1,184 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/ovti,ov02a10.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Omnivision OV02A10 CMOS Sensor Device Tree Bindings
+
+maintainers:
+ - Dongchun Zhu <dongchun.zhu@mediatek.com>
+
+description: |-
+ The Omnivision OV02A10 is a low-cost, high performance, 1/5-inch, 2 megapixel
+ image sensor, which is the latest production derived from Omnivision's CMOS
+ image sensor technology. Ihis chip supports high frame rate speeds up to 30fps
+ @ 1600x1200 (UXGA) resolution transferred over a 1-lane MIPI interface. The
+ sensor output is available via CSI-2 serial data output.
+
+properties:
+ compatible:
+ const: ovti,ov02a10
+
+ reg:
+ description: I2C device address
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: top mux camtg clock
+ - description: devider clock
+
+ clock-names:
+ items:
+ - const: eclk
+ - const: freq_mux
+
+ clock-frequency:
+ description:
+ Frequency of the eclk clock in Hertz.
+
+ dovdd-supply:
+ description:
+ Definition of the regulator used as interface power supply.
+
+ avdd-supply:
+ description:
+ Definition of the regulator used as analog power supply.
+
+ dvdd-supply:
+ description:
+ Definition of the regulator used as digital power supply.
+
+ powerdown-gpios:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ rotation:
+ description:
+ Definition of the sensor's placement, valid values are 0 and 180.
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/uint32"
+ - enum:
+ - 0 # Sensor Mounted Upright (default)
+ - 180 # Sensor Mounted Upside Down
+
+ ovti,mipi-tx-speed:
+ description:
+ Indication of MIPI transmission speed select, which is to control D-PHY
+ timing setting by adjusting MIPI clock voltage to improve the clock
+ driver capability.
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/uint32"
+ - enum:
+ - 0 # 20MHz - 30MHz
+ - 1 # 30MHz - 50MHz
+ - 2 # 50MHz - 75MHz
+ - 3 # 75MHz - 100MHz
+ - 4 # 100MHz - 130MHz (suggested)
+ - 5 # Manual
+
+ # See ../video-interfaces.txt for details
+ port:
+ type: object
+ additionalProperties: false
+ description:
+ A node containing an output port node with an endpoint definition
+ as documented in
+ Documentation/devicetree/bindings/media/video-interfaces.txt
+
+ properties:
+ endpoint:
+ type: object
+
+ properties:
+ data-lanes:
+ description: |-
+ The driver only supports 1-lane operation.
+ items:
+ - const: 1
+ - const: 2
+ - const: 3
+ - const: 4
+
+ clock-noncontinuous:
+ type: boolean
+ description: |-
+ MIPI CSI-2 clock is non-continuous if this property is present,
+ otherwise it's continuous.
+
+ link-frequencies:
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint64-array
+ description:
+ Allowed data bus frequencies. 39000000 Hz is supported by
+ the driver.
+
+ required:
+ - link-frequencies
+
+ required:
+ - endpoint
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - clock-frequency
+ - dovdd-supply
+ - avdd-supply
+ - dvdd-supply
+ - powerdown-gpios
+ - reset-gpios
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+
+ #include <dt-bindings/clock/mt8183-clk.h>
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c {
+ clock-frequency = <400000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ov02a10: camera-sensor@3d {
+ compatible = "ovti,ov02a10";
+ reg = <0x3d>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&clk_24m_cam>;
+
+ clocks = <&topckgen CLK_TOP_MUX_CAMTG>,
+ <&topckgen CLK_TOP_UNIVP_192M_D8>;
+ clock-names = "eclk", "freq_mux";
+ clock-frequency = <24000000>;
+
+ rotation = <180>;
+ ovti,mipi-tx-speed = <3>;
+
+ dovdd-supply = <&mt6358_vcamio_reg>;
+ avdd-supply = <&mt6358_vcama1_reg>;
+ dvdd-supply = <&mt6358_vcn18_reg>;
+
+ powerdown-gpios = <&pio 107 GPIO_ACTIVE_LOW>;
+ reset-gpios = <&pio 109 GPIO_ACTIVE_HIGH>;
+
+ port {
+ wcam_out: endpoint {
+ remote-endpoint = <&mipi_in_wcam>;
+ data-lanes = <1>;
+ clock-noncontinuous;
+ link-frequencies = /bits/ 64 <390000000>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index e64e5db..63a2335 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12389,6 +12389,13 @@ M: Harald Welte <laforge@gnumonks.org>
S: Maintained
F: drivers/char/pcmcia/cm4040_cs.*

+OMNIVISION OV02A10 SENSOR DRIVER
+M: Dongchun Zhu <dongchun.zhu@mediatek.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
+
OMNIVISION OV13858 SENSOR DRIVER
M: Sakari Ailus <sakari.ailus@linux.intel.com>
L: linux-media@vger.kernel.org
--
2.9.2