Add DT bindings documentation for OmniVision OV02A10 image sensor. Reviewed-by: Tomasz Figa <tfiga@xxxxxxxxxxxx> Signed-off-by: Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx> --- .../bindings/media/i2c/ovti,ov02a10.yaml | 172 +++++++++++++++++++++ MAINTAINERS | 7 + 2 files changed, 179 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..3a916cc --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml @@ -0,0 +1,172 @@ +# 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@xxxxxxxxxxxx> + +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: + maxItems: 1 + + clocks: + items: + - description: top mux camtg clock + - description: divider 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 Digital I/O voltage supply. + + avdd-supply: + description: + Definition of the regulator used as Analog voltage supply. + + dvdd-supply: + description: + Definition of the regulator used as Digital core voltage supply. + + powerdown-gpios: + description: + Must be the device tree identifier of the GPIO connected to the + PD_PAD pin. This pin is used to place the OV02A10 into standby mode + or shutdown mode. As the line needs to be high for the powerdown mode + to be active, it should be marked GPIO_ACTIVE_HIGH. + maxItems: 1 + + reset-gpios: + description: + Must be the device tree identifier of the GPIO connected to the + RST_PD pin. If specified, it will be asserted during driver probe. + As the line needs to be low for the reset to be active, it should be + marked GPIO_ACTIVE_LOW. + maxItems: 1 + + rotation: + description: + Definition of the sensor's placement. + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - enum: + - 0 # Sensor Mounted Upright + - 180 # Sensor Mounted Upside Down + default: 0 + + 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 + default: 3 + + # See ../video-interfaces.txt for details + port: + type: object + additionalProperties: false + description: + Output port node, single endpoint describing the CSI-2 transmitter. + + properties: + endpoint: + type: object + additionalProperties: false + + properties: + link-frequencies: true + remote-endpoint: true + + required: + - link-frequencies + - remote-endpoint + + 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 { + #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 = <4>; + + dovdd-supply = <&mt6358_vcamio_reg>; + avdd-supply = <&mt6358_vcama1_reg>; + dvdd-supply = <&mt6358_vcn18_reg>; + + powerdown-gpios = <&pio 107 GPIO_ACTIVE_HIGH>; + reset-gpios = <&pio 109 GPIO_ACTIVE_LOW>; + + port { + wcam_out: endpoint { + link-frequencies = /bits/ 64 <390000000>; + remote-endpoint = <&mipi_in_wcam>; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 68f21d4..378c961 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12560,6 +12560,13 @@ M: Harald Welte <laforge@xxxxxxxxxxxx> S: Maintained F: drivers/char/pcmcia/cm4040_cs.* +OMNIVISION OV02A10 SENSOR DRIVER +M: Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx> +L: linux-media@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx> L: linux-media@xxxxxxxxxxxxxxx -- 2.9.2
