166 lines
3.9 KiB
YAML
166 lines
3.9 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/samsung,s5c73m3.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung S5C73M3 8Mp camera ISP
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maintainers:
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- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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- Sylwester Nawrocki <s.nawrocki@samsung.com>
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description:
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The S5C73M3 camera ISP supports MIPI CSI-2 and parallel (ITU-R BT.656)
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video data busses. The I2C bus is the main control bus and additionally the
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SPI bus is used, mostly for transferring the firmware to and from the
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device. Two slave device nodes corresponding to these control bus
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interfaces are required and should be placed under respective bus
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controller nodes.
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properties:
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compatible:
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const: samsung,s5c73m3
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: cis_extclk
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clock-frequency:
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default: 24000000
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description: cis_extclk clock frequency.
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standby-gpios:
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maxItems: 1
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description: STANDBY pin.
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vdda-supply:
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description: Analog power supply (1.2V).
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vdd-af-supply:
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description: lens power supply (2.8V).
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vddio-cis-supply:
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description: CIS I/O power supply (1.2V to 1.8V).
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vddio-host-supply:
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description: Host I/O power supply (1.8V to 2.8V).
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vdd-int-supply:
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description: Digital power supply (1.2V).
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vdd-reg-supply:
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description: Regulator input power supply (2.8V).
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xshutdown-gpios:
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maxItems: 1
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description: XSHUTDOWN pin.
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port:
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$ref: /schemas/graph.yaml#/$defs/port-base
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additionalProperties: false
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properties:
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endpoint:
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$ref: /schemas/media/video-interfaces.yaml#
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unevaluatedProperties: false
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properties:
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data-lanes:
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items:
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- const: 1
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- const: 2
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- const: 3
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- const: 4
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required:
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- compatible
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- reg
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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- if:
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required:
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- spi-max-frequency
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then:
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properties:
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# The SPI node is simplified firmware-transfer interface only
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clocks: false
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clock-names: false
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standby-gpios: false
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vdda-supply: false
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vdd-af-supply: false
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vddio-cis-supply: false
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vddio-host-supply: false
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vdd-int-supply: false
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vdd-reg-supply: false
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xshutdown-gpios: false
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port: false
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else:
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required:
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- clocks
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- clock-names
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- standby-gpios
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- vdda-supply
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- vdd-af-supply
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- vddio-cis-supply
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- vddio-host-supply
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- vdd-int-supply
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- vdd-reg-supply
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- xshutdown-gpios
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- port
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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image-sensor@3c {
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compatible = "samsung,s5c73m3";
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reg = <0x3c>;
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clock-frequency = <24000000>;
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clocks = <&camera 0>;
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clock-names = "cis_extclk";
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standby-gpios = <&gpm0 6 GPIO_ACTIVE_LOW>;
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vdda-supply = <&cam_vdda_reg>;
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vdd-af-supply = <&cam_af_reg>;
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vddio-cis-supply = <&ldo9_reg>;
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vddio-host-supply = <&ldo18_reg>;
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vdd-int-supply = <&buck9_reg>;
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vdd-reg-supply = <&cam_io_reg>;
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xshutdown-gpios = <&gpf1 3 GPIO_ACTIVE_LOW>; /* ISP_RESET */
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port {
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s5c73m3_ep: endpoint {
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remote-endpoint = <&csis0_ep>;
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data-lanes = <1 2 3 4>;
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};
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};
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};
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};
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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image-sensor@0 {
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compatible = "samsung,s5c73m3";
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reg = <0>;
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spi-max-frequency = <50000000>;
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controller-data {
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samsung,spi-feedback-delay = <2>;
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};
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};
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};
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