Convert the Samsung S5C73M3 8Mp camera ISP bindings to DT schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- Changes since v2: 1. Add Rb tag. --- .../bindings/media/samsung,s5c73m3.yaml | 165 ++++++++++++++++++ .../bindings/media/samsung-s5c73m3.txt | 97 ---------- MAINTAINERS | 1 + 3 files changed, 166 insertions(+), 97 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/samsung,s5c73m3.yaml delete mode 100644 Documentation/devicetree/bindings/media/samsung-s5c73m3.txt diff --git a/Documentation/devicetree/bindings/media/samsung,s5c73m3.yaml b/Documentation/devicetree/bindings/media/samsung,s5c73m3.yaml new file mode 100644 index 000000000000..1b75390fdaac --- /dev/null +++ b/Documentation/devicetree/bindings/media/samsung,s5c73m3.yaml @@ -0,0 +1,165 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/samsung,s5c73m3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S5C73M3 8Mp camera ISP + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> + - Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> + +description: + The S5C73M3 camera ISP supports MIPI CSI-2 and parallel (ITU-R BT.656) + video data busses. The I2C bus is the main control bus and additionally the + SPI bus is used, mostly for transferring the firmware to and from the + device. Two slave device nodes corresponding to these control bus + interfaces are required and should be placed under respective bus + controller nodes. + +properties: + compatible: + const: samsung,s5c73m3 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: cis_extclk + + clock-frequency: + default: 24000000 + description: cis_extclk clock frequency. + + standby-gpios: + maxItems: 1 + description: STANDBY pin. + + vdda-supply: + description: Analog power supply (1.2V). + + vdd-af-supply: + description: lens power supply (2.8V). + + vddio-cis-supply: + description: CIS I/O power supply (1.2V to 1.8V). + + vddio-host-supply: + description: Host I/O power supply (1.8V to 2.8V). + + vdd-int-supply: + description: Digital power supply (1.2V). + + vdd-reg-supply: + description: Regulator input power supply (2.8V). + + xshutdown-gpios: + maxItems: 1 + description: XSHUTDOWN pin. + + port: + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + +required: + - compatible + - reg + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + - if: + required: + - spi-max-frequency + then: + properties: + # The SPI node is simplified firmware-transfer interface only + clocks: false + clock-names: false + standby-gpios: false + vdda-supply: false + vdd-af-supply: false + vddio-cis-supply: false + vddio-host-supply: false + vdd-int-supply: false + vdd-reg-supply: false + xshutdown-gpios: false + port: false + else: + required: + - clocks + - clock-names + - standby-gpios + - vdda-supply + - vdd-af-supply + - vddio-cis-supply + - vddio-host-supply + - vdd-int-supply + - vdd-reg-supply + - xshutdown-gpios + - port + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + image-sensor@3c { + compatible = "samsung,s5c73m3"; + reg = <0x3c>; + clock-frequency = <24000000>; + clocks = <&camera 0>; + clock-names = "cis_extclk"; + standby-gpios = <&gpm0 6 GPIO_ACTIVE_LOW>; + vdda-supply = <&cam_vdda_reg>; + vdd-af-supply = <&cam_af_reg>; + vddio-cis-supply = <&ldo9_reg>; + vddio-host-supply = <&ldo18_reg>; + vdd-int-supply = <&buck9_reg>; + vdd-reg-supply = <&cam_io_reg>; + xshutdown-gpios = <&gpf1 3 GPIO_ACTIVE_LOW>; /* ISP_RESET */ + + port { + s5c73m3_ep: endpoint { + remote-endpoint = <&csis0_ep>; + data-lanes = <1 2 3 4>; + }; + }; + }; + }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + + image-sensor@0 { + compatible = "samsung,s5c73m3"; + reg = <0>; + spi-max-frequency = <50000000>; + controller-data { + samsung,spi-feedback-delay = <2>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/media/samsung-s5c73m3.txt b/Documentation/devicetree/bindings/media/samsung-s5c73m3.txt deleted file mode 100644 index f0ea9adad442..000000000000 --- a/Documentation/devicetree/bindings/media/samsung-s5c73m3.txt +++ /dev/null @@ -1,97 +0,0 @@ -Samsung S5C73M3 8Mp camera ISP ------------------------------- - -The S5C73M3 camera ISP supports MIPI CSI-2 and parallel (ITU-R BT.656) video -data busses. The I2C bus is the main control bus and additionally the SPI bus -is used, mostly for transferring the firmware to and from the device. Two -slave device nodes corresponding to these control bus interfaces are required -and should be placed under respective bus controller nodes. - -I2C slave device node ---------------------- - -Required properties: - -- compatible : "samsung,s5c73m3"; -- reg : I2C slave address of the sensor; -- vdd-int-supply : digital power supply (1.2V); -- vdda-supply : analog power supply (1.2V); -- vdd-reg-supply : regulator input power supply (2.8V); -- vddio-host-supply : host I/O power supply (1.8V to 2.8V); -- vddio-cis-supply : CIS I/O power supply (1.2V to 1.8V); -- vdd-af-supply : lens power supply (2.8V); -- xshutdown-gpios : specifier of GPIO connected to the XSHUTDOWN pin; -- standby-gpios : specifier of GPIO connected to the STANDBY pin; -- clocks : should contain list of phandle and clock specifier pairs - according to common clock bindings for the clocks described - in the clock-names property; -- clock-names : should contain "cis_extclk" entry for the CIS_EXTCLK clock; - -Optional properties: - -- clock-frequency : the frequency at which the "cis_extclk" clock should be - configured to operate, in Hz; if this property is not - specified default 24 MHz value will be used. - -The common video interfaces bindings (see video-interfaces.txt) should be used -to specify link from the S5C73M3 to an external image data receiver. The S5C73M3 -device node should contain one 'port' child node with an 'endpoint' subnode for -this purpose. The data link from a raw image sensor to the S5C73M3 can be -similarly specified, but it is optional since the S5C73M3 ISP and a raw image -sensor are usually inseparable and form a hybrid module. - -Following properties are valid for the endpoint node(s): - -endpoint subnode ----------------- - -- data-lanes : (optional) specifies MIPI CSI-2 data lanes as covered in - video-interfaces.txt. This sensor doesn't support data lane remapping - and physical lane indexes in subsequent elements of the array should - be only consecutive ascending values. - -SPI device node ---------------- - -Required properties: - -- compatible : "samsung,s5c73m3"; - -For more details see description of the SPI busses bindings -(../spi/spi-bus.txt) and bindings of a specific bus controller. - -Example: - -i2c@138a000000 { - ... - s5c73m3@3c { - compatible = "samsung,s5c73m3"; - reg = <0x3c>; - vdd-int-supply = <&buck9_reg>; - vdda-supply = <&ldo17_reg>; - vdd-reg-supply = <&cam_io_reg>; - vddio-host-supply = <&ldo18_reg>; - vddio-cis-supply = <&ldo9_reg>; - vdd-af-supply = <&cam_af_reg>; - clock-frequency = <24000000>; - clocks = <&clk 0>; - clock-names = "cis_extclk"; - xshutdown-gpios = <&gpf1 3 1>; - standby-gpios = <&gpm0 1 1>; - port { - s5c73m3_ep: endpoint { - remote-endpoint = <&csis0_ep>; - data-lanes = <1 2 3 4>; - }; - }; - }; -}; - -spi@1392000 { - ... - s5c73m3_spi: s5c73m3@0 { - compatible = "samsung,s5c73m3"; - reg = <0>; - ... - }; -}; diff --git a/MAINTAINERS b/MAINTAINERS index 7963cae23544..bcbf0aec6ecf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18532,6 +18532,7 @@ M: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> M: Andrzej Hajda <andrzej.hajda@xxxxxxxxx> L: linux-media@xxxxxxxxxxxxxxx S: Supported +F: Documentation/devicetree/bindings/media/samsung,s5c73m3.yaml F: drivers/media/i2c/s5c73m3/* SAMSUNG S5K5BAF CAMERA DRIVER -- 2.34.1
