On 07.10.2016 16:44, Laurent Pinchart wrote:
> Hi Andrzej,
>
> Thank you for the patch.
>
> On Friday 07 Oct 2016 09:02:41 Andrzej Hajda wrote:
>> SiI8620 transmitter converts eTMDS/HDMI signal to MHL 3.0. It is controlled
>> via I2C bus.
>>
>> Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
>> Acked-by: Rob Herring <robh at kernel.org>
>> ---
>> .../bindings/video/bridge/sil-sii8620.txt | 33 +++++++++++++++++++
>> 1 file changed, 33 insertions(+)
>> create mode 100644
>> Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt
>>
>> diff --git a/Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt
>> b/Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt new file
>> mode 100644
>> index 0000000..9409d9c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt
>> @@ -0,0 +1,33 @@
>> +Silicon Image SiI8620 HDMI/MHL bridge bindings
>> +
>> +Required properties:
>> + - compatible: "sil,sii8620"
>> + - reg: i2c address of the bridge
>> + - cvcc10-supply: Digital Core Supply Voltage (1.0V)
>> + - iovcc18-supply: I/O Supply Voltage (1.8V)
>> + - interrupts, interrupt-parent: interrupt specifier of INT pin
>> + - reset-gpios: gpio specifier of RESET pin
>> + - clocks, clock-names: specification and name of "xtal" clock
>> + - video interfaces: Device node can contain video interface port
>> + node for HDMI encoder according to [1].
>> +
>> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
>> +
>> +Example:
>> + sii8620 at 39 {
>> + reg = <0x39>;
>> + compatible = "sil,sii8620";
>> + cvcc10-supply = <&ldo36_reg>;
>> + iovcc18-supply = <&ldo34_reg>;
>> + interrupt-parent = <&gpf0>;
>> + interrupts = <2 0>;
>> + reset-gpio = <&gpv7 0 0>;
>> + clocks = <&pmu_system_controller 0>;
>> + clock-names = "xtal";
>> +
>> + port {
>> + mhl_to_hdmi: endpoint {
>> + remote-endpoint = <&hdmi_to_mhl>;
>> + };
>> + };
> A bridge, by definition, has two ports, an input port and an output port. You
> should model that in DT.
It was discussed already. Output goes to usb connector,
which can be used also as usb or charging connector. Since it is not yet
clear how to handle it, output part was postponed, see for example[1].
[1]:
https://lists.freedesktop.org/archives/dri-devel/2015-December/096756.html
Regards
Andrzej
>
>> + };
