Hi Enric, On Thursday 10 September 2015 16:11:03 Enric Balletbo Serra wrote: > 2015-09-09 2:40 GMT+02:00 Rob Herring <robh@xxxxxxxxxx>: > > On 09/08/2015 02:25 AM, Enric Balletbo i Serra wrote: > >> The ANX7814 is an ultra-low power Full-HD (1080p60) SlimPort transmitter > >> designed for portable devices. > >> > >> You can add support to your board with current binding. > >> > >> Example: > >> anx7814: anx7814@38 { > >> compatible = "analogix,anx7814"; > >> reg = <0x38>; > >> pd-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; > >> reset-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; > >> }; > >> > >> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> > >> --- > >> > >> .../devicetree/bindings/video/anx7814.txt | 22 ++++++++++++++++ > >> 1 file changed, 22 insertions(+) > >> create mode 100644 Documentation/devicetree/bindings/video/anx7814.txt > >> > >> diff --git a/Documentation/devicetree/bindings/video/anx7814.txt > >> b/Documentation/devicetree/bindings/video/anx7814.txt new file mode > >> 100644 > >> index 0000000..a8cc746 > >> --- /dev/null > >> +++ b/Documentation/devicetree/bindings/video/anx7814.txt > >> @@ -0,0 +1,22 @@ > >> +Analogix ANX7814 SlimPort (Full-HD Transmitter) > >> +----------------------------------------------- > >> + > >> +The ANX7814 is an ultra-low power Full-HD (1080p60) SlimPort transmitter > >> +designed for portable devices. > >> + > >> +Required properties: > >> + > >> + - compatible : "analogix,anx7814" > >> + - reg : I2C address of the device > >> + - pd-gpios : Which GPIO to use for power down > >> + - reset-gpios : Which GPIO to use for reset > >> + > >> +Example: > >> + > >> + anx7814: anx7814@38 { > >> + compatible = "analogix,anx7814"; > >> + reg = <0x38>; > >> + pd-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; > >> + reset-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; > > > > No ports needed for describing data connections? > > IMHO I'm not sure if this is applicable here, in this case the bridge > is transparent so it's not required another device node. For example, > I've an evaluation board, whre I connect in one side an HDMI input > signal an in the other side a DP monitor, the driver only configures > the chip and waits for different events (cable plug, cable unplug, etc > ..) But what if the chip is connected to a display controller, for instance to the HDMI output of an SoC ? Is that a use case for the hardware ? -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html