diff options
Diffstat (limited to 'dts/Bindings/media/i2c/maxim,max9286.yaml')
| -rw-r--r-- | dts/Bindings/media/i2c/maxim,max9286.yaml | 315 |
1 files changed, 209 insertions, 106 deletions
diff --git a/dts/Bindings/media/i2c/maxim,max9286.yaml b/dts/Bindings/media/i2c/maxim,max9286.yaml index 02f656e787..a37447256f 100644 --- a/dts/Bindings/media/i2c/maxim,max9286.yaml +++ b/dts/Bindings/media/i2c/maxim,max9286.yaml @@ -39,7 +39,7 @@ properties: maxItems: 1 poc-supply: - description: Regulator providing Power over Coax to the cameras + description: Regulator providing Power over Coax to all the ports enable-gpios: description: GPIO connected to the \#PWDN pin with inverted polarity @@ -50,6 +50,21 @@ properties: '#gpio-cells': const: 2 + maxim,bus-width: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 24, 27, 32 ] + description: | + The GMSL serial data bus width. This setting is normally controlled by + the BWS pin, but may be overridden with this property. The value must + match the configuration of the remote serializers. + + maxim,i2c-remote-bus-hz: + enum: [ 8470, 28300, 84700, 105000, 173000, 339000, 533000, 837000 ] + default: 105000 + description: | + The I2C clock frequency for the remote I2C buses. The value must match + the configuration of the remote serializers. + maxim,reverse-channel-microvolt: minimum: 30000 maximum: 200000 @@ -70,6 +85,28 @@ properties: a remote serializer whose high-threshold noise immunity is not enabled is 100000 micro volts + maxim,gpio-poc: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + description: | + Index of the MAX9286 gpio output line (0 or 1) that controls Power over + Coax to the cameras and its associated polarity flag. + + The property accepts an array of two unsigned integers, the first being + the gpio line index (0 or 1) and the second being the gpio line polarity + flag (GPIO_ACTIVE_HIGH or GPIO_ACTIVE_LOW) as defined in + <include/dt-bindings/gpio/gpio.h>. + + When the remote cameras power is controlled by one of the MAX9286 gpio + lines, this property has to be used to specify which line among the two + available ones controls the remote camera power enablement. + + When this property is used it is not possible to register a gpio + controller as the gpio lines are controlled directly by the MAX9286 and + not available for consumers, nor the 'poc-supply' property should be + specified. + ports: $ref: /schemas/graph.yaml#/properties/ports @@ -119,6 +156,7 @@ properties: patternProperties: "^i2c@[0-3]$": type: object + additionalProperties: false description: | Child node of the i2c bus multiplexer which represents a GMSL link. Each serializer device on the GMSL link remote end is represented with @@ -130,6 +168,12 @@ properties: description: The index of the GMSL channel. maxItems: 1 + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + patternProperties: "^camera@[a-f0-9]+$": type: object @@ -160,12 +204,36 @@ properties: additionalProperties: false +patternProperties: + "^port[0-3]-poc-supply$": + description: Regulator providing Power over Coax for a particular port + required: - compatible - reg - ports - i2c-mux - - gpio-controller + +allOf: + # Only one way of specifying power supplies is allowed: 'maxim,gpio-poc', + # 'poc-supply' or per-port poc-supply. Additionally, if 'maxim,gpio-poc' is + # present, then 'gpio-controller' isn't allowed. + - if: + required: + - maxim,gpio-poc + then: + properties: + poc-supply: false + gpio-controller: false + patternProperties: + "^port[0-3]-poc-supply$": false + + - if: + required: + - poc-supply + then: + patternProperties: + "^port[0-3]-poc-supply$": false additionalProperties: false @@ -174,140 +242,175 @@ examples: #include <dt-bindings/gpio/gpio.h> i2c@e66d8000 { - #address-cells = <1>; - #size-cells = <0>; + #address-cells = <1>; + #size-cells = <0>; - reg = <0 0xe66d8000>; + reg = <0 0xe66d8000>; - gmsl-deserializer@2c { - compatible = "maxim,max9286"; - reg = <0x2c>; - poc-supply = <&camera_poc_12v>; - enable-gpios = <&gpio 13 GPIO_ACTIVE_HIGH>; + gmsl-deserializer@2c { + compatible = "maxim,max9286"; + reg = <0x2c>; + poc-supply = <&camera_poc_12v>; + enable-gpios = <&gpio 13 GPIO_ACTIVE_HIGH>; - gpio-controller; - #gpio-cells = <2>; + gpio-controller; + #gpio-cells = <2>; - maxim,reverse-channel-microvolt = <170000>; + maxim,i2c-remote-bus-hz = <339000>; + maxim,reverse-channel-microvolt = <170000>; - ports { - #address-cells = <1>; - #size-cells = <0>; + ports { + #address-cells = <1>; + #size-cells = <0>; - port@0 { - reg = <0>; + port@0 { + reg = <0>; - max9286_in0: endpoint { - remote-endpoint = <&rdacm20_out0>; - }; - }; + max9286_in0: endpoint { + remote-endpoint = <&rdacm20_out0>; + }; + }; - port@1 { - reg = <1>; + port@1 { + reg = <1>; - max9286_in1: endpoint { - remote-endpoint = <&rdacm20_out1>; - }; - }; + max9286_in1: endpoint { + remote-endpoint = <&rdacm20_out1>; + }; + }; - port@2 { - reg = <2>; + port@2 { + reg = <2>; - max9286_in2: endpoint { - remote-endpoint = <&rdacm20_out2>; - }; - }; + max9286_in2: endpoint { + remote-endpoint = <&rdacm20_out2>; + }; + }; - port@3 { - reg = <3>; + port@3 { + reg = <3>; - max9286_in3: endpoint { - remote-endpoint = <&rdacm20_out3>; - }; - }; + max9286_in3: endpoint { + remote-endpoint = <&rdacm20_out3>; + }; + }; - port@4 { - reg = <4>; + port@4 { + reg = <4>; - max9286_out: endpoint { - data-lanes = <1 2 3 4>; - remote-endpoint = <&csi40_in>; + max9286_out: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&csi40_in>; + }; + }; }; - }; - }; - i2c-mux { - #address-cells = <1>; - #size-cells = <0>; + i2c-mux { + #address-cells = <1>; + #size-cells = <0>; - i2c@0 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0>; + i2c@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; - camera@51 { - compatible = "imi,rdacm20"; - reg = <0x51>, <0x61>; + camera@51 { + compatible = "imi,rdacm20"; + reg = <0x51>, <0x61>; - port { - rdacm20_out0: endpoint { - remote-endpoint = <&max9286_in0>; - }; - }; + port { + rdacm20_out0: endpoint { + remote-endpoint = <&max9286_in0>; + }; + }; - }; - }; + }; + }; - i2c@1 { - #address-cells = <1>; - #size-cells = <0>; - reg = <1>; + i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + camera@52 { + compatible = "imi,rdacm20"; + reg = <0x52>, <0x62>; + + port { + rdacm20_out1: endpoint { + remote-endpoint = <&max9286_in1>; + }; + }; + }; + }; - camera@52 { - compatible = "imi,rdacm20"; - reg = <0x52>, <0x62>; + i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + + camera@53 { + compatible = "imi,rdacm20"; + reg = <0x53>, <0x63>; + + port { + rdacm20_out2: endpoint { + remote-endpoint = <&max9286_in2>; + }; + }; + }; + }; - port { - rdacm20_out1: endpoint { - remote-endpoint = <&max9286_in1>; + i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + + camera@54 { + compatible = "imi,rdacm20"; + reg = <0x54>, <0x64>; + + port { + rdacm20_out3: endpoint { + remote-endpoint = <&max9286_in3>; + }; + }; + }; }; - }; }; - }; - - i2c@2 { - #address-cells = <1>; - #size-cells = <0>; - reg = <2>; - - camera@53 { - compatible = "imi,rdacm20"; - reg = <0x53>, <0x63>; + }; - port { - rdacm20_out2: endpoint { - remote-endpoint = <&max9286_in2>; + /* + * Example of a deserializer that controls the camera Power over Coax + * through one of its gpio lines. + */ + gmsl-deserializer@6c { + compatible = "maxim,max9286"; + reg = <0x6c>; + enable-gpios = <&gpio 14 GPIO_ACTIVE_HIGH>; + + /* + * The remote camera power is controlled by MAX9286 GPIO line #0. + * No 'poc-supply' nor 'gpio-controller' are specified. + */ + maxim,gpio-poc = <0 GPIO_ACTIVE_LOW>; + + /* + * Do not describe connections as they're the same as in the previous + * example. + */ + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@4 { + reg = <4>; }; - }; }; - }; - - i2c@3 { - #address-cells = <1>; - #size-cells = <0>; - reg = <3>; - camera@54 { - compatible = "imi,rdacm20"; - reg = <0x54>, <0x64>; - - port { - rdacm20_out3: endpoint { - remote-endpoint = <&max9286_in3>; - }; - }; + i2c-mux { + #address-cells = <1>; + #size-cells = <0>; }; - }; }; - }; }; |