--- /dev/null
+# 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@linaro.org>
+ - Sylwester Nawrocki <s.nawrocki@samsung.com>
+
+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>;
+ };
+ };
+ };
+++ /dev/null
-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>;
- ...
- };
-};
projects / platform / kernel / linux-starfive.git / commitdiff