Add a documentation for the sensor ov8865 from Omnivision. Signed-off-by: Kévin L'hôpital <kevin.lhopital@xxxxxxxxxxx> --- .../devicetree/bindings/media/i2c/ov8865.yaml | 165 ++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov8865.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/ov8865.yaml b/Documentation/devicetree/bindings/media/i2c/ov8865.yaml new file mode 100644 index 000000000000..468ddfd48c7a --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov8865.yaml @@ -0,0 +1,165 @@ +# SPDX-License-Identifier: (GPL-2.0 0R BSD-2-Clause) +# Copyright (C) 2020 Kévin L'hôpital +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/ov8865.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Omnivision OV8865 Sensor Device Tree Bindings + +maintainers: + - Kévin L'hôpital <kevin.lhopital@xxxxxxxxxxx> + +description: |- + The Omnivision OV8865 is a image sensor that supports up to 3264x2448. It + provides a 10 bits output format and a MIPI CSI2 interface (up to 4-lane). + This chip is programmable through I2C. + +properties: + compatible: + const: ovti,ov8865 + + reg: + maxItems: 1 + + pinctrl-names: + description: + Default name for the ov8865 pinctrl. + + pinctrl-0: + description: + Pinctrl for the ov8865. + + clocks: + maxItems: 1 + + clock-names: + description: + Input clock name for the sensor. + + items: + - const: xclk + + avdd-supply: + description: + Definition of the regulator used as analog power supply. + + dovdd-supply: + description: + Definition of the regulator used as interface power supply. + + vdd2-supply: + description: + Definition of the regulator used as digital power supply + + afvdd-supply: + description: + Definition of the regulator used as actuator power supply. + + powerdown-gpios: + description: + reference to the GPIO connceted to the powerdown pin. This is an active + low signal on the OV8865. + + reset-gpios: + description: + Reference to the GPIO connected to the reset pin. This is an active low + signal for the OV8865. + + rotation: + description: + Position of the sensor, the valid values are 0 (sensor mounted upright) + and 180 (sensor mounted upside down). + + 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 four-lane operation. + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + clock-lanes: + items: + const: 0 + + bus-type: + description: + The driver only supports the MIPI CSI2 + items: + const: 4 + + required: + - data-lanes + - clock-lanes + - bus-type + + required: + - endpoint + +required: + - compatible + - reg + - pinctrl-names + - pinctrl-0 + - clocks + - clock-names + - avdd-supply + - dovdd-supply + - vdd2-supply + - afvdd-supply + - powerdown-gpios + - reset-gpios + - port + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/sun8i-a83t-ccu.h> + #include <dt-bindings/gpio/gpio.h> + + i2c2 { + #address-cells = <1>; + #size-cells = <0>; + ov8865: camera@36 { + compatible = "ovti,ov8865"; + reg = <0x36>; + pinctrl-names = "default"; + pinctrl-0 = <&csi_mclk_pin>; + clocks = <&ccu CLK_CSI_MCLK>; + clock-names ="xclk"; + avdd-supply = <®_ov8865_avdd>; + dovdd-supply = <®_ov8865_dovdd>; + vdd2-supply = <®_ov8865_vdd2>; + afvdd-supply = <®_ov8865_afvdd>; + powerdown-gpios = <&pio 4 17 GPIO_ACTIVE_LOW>; /* PE17 */ + reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */ + rotation = <180>; + + port { + ov8865_to_mipi_csi2: endpoint { + remote-endpoint = <&mipi_csi2_from_ov8865>; + data-lanes = <1 2 3 4>; + clock-lanes = <0>; + bus-type = <4>; /* V4L2_FWNODE_BUS_TYPE_CSI2_DPHY */ + }; + }; + }; + }; + +... -- 2.17.1
