Re: [PATCH v6 1/3] media: adv748x: Add adv7181, adv7182 bindings

From: Laurent Pinchart
Date: Thu Jun 29 2017 - 05:48:15 EST


Hi Kieran,

Thank you for the patch.

On Tuesday 27 Jun 2017 16:03:32 Kieran Bingham wrote:
> From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>
> Create device tree bindings documentation for the ADV748x.
> The ADV748x supports both the ADV7481 and ADV7482 chips which
> provide analogue decoding and HDMI receiving capabilities
>
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

With the subject fixed,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> v6:
> - Clean up description and remove redundant text regarding optional
> nodes
>
> Documentation/devicetree/bindings/media/i2c/adv748x.txt | 95 ++++++++++-
> 1 file changed, 95 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/i2c/adv748x.txt
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> b/Documentation/devicetree/bindings/media/i2c/adv748x.txt new file mode
> 100644
> index 000000000000..21ffb5ed8183
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> @@ -0,0 +1,95 @@
> +* Analog Devices ADV748X video decoder with HDMI receiver
> +
> +The ADV7481 and ADV7482 are multi format video decoders with an integrated
> +HDMI receiver. They can output CSI-2 on two independent outputs TXA and TXB
> +from three input sources HDMI, analog and TTL.
> +
> +Required Properties:
> +
> + - compatible: Must contain one of the following
> + - "adi,adv7481" for the ADV7481
> + - "adi,adv7482" for the ADV7482
> +
> + - reg: I2C slave address
> +
> +Optional Properties:
> +
> + - interrupt-names: Should specify the interrupts as "intrq1", "intrq2"
> and/or + "intrq3". All interrupts are optional. The
"intrq3"
> interrupt + is only available on the adv7481
> + - interrupts: Specify the interrupt lines for the ADV748x
> +
> +The device node must contain one 'port' child node per device input and
> output +port, in accordance with the video interface bindings defined in
> +Documentation/devicetree/bindings/media/video-interfaces.txt. The port
> nodes +are numbered as follows.
> +
> + Name Type Port
> + ---------------------------------------
> + AIN0 sink 0
> + AIN1 sink 1
> + AIN2 sink 2
> + AIN3 sink 3
> + AIN4 sink 4
> + AIN5 sink 5
> + AIN6 sink 6
> + AIN7 sink 7
> + HDMI sink 8
> + TTL sink 9
> + TXA source 10
> + TXB source 11
> +
> +The digital output port nodes must contain at least one endpoint.
> +
> +Ports are optional if they are not connected to anything at the hardware
> level. +
> +Example:
> +
> + video-receiver@70 {
> + compatible = "adi,adv7482";
> + reg = <0x70>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + interrupt-parent = <&gpio6>;
> + interrupt-names = "intrq1", "intrq2";
> + interrupts = <30 IRQ_TYPE_LEVEL_LOW>,
> + <31 IRQ_TYPE_LEVEL_LOW>;
> +
> + port@7 {
> + reg = <7>;
> +
> + adv7482_ain7: endpoint {
> + remote-endpoint = <&cvbs_in>;
> + };
> + };
> +
> + port@8 {
> + reg = <8>;
> +
> + adv7482_hdmi: endpoint {
> + remote-endpoint = <&hdmi_in>;
> + };
> + };
> +
> + port@10 {
> + reg = <10>;
> +
> + adv7482_txa: endpoint {
> + clock-lanes = <0>;
> + data-lanes = <1 2 3 4>;
> + remote-endpoint = <&csi40_in>;
> + };
> + };
> +
> + port@11 {
> + reg = <11>;
> +
> + adv7482_txb: endpoint {
> + clock-lanes = <0>;
> + data-lanes = <1>;
> + remote-endpoint = <&csi20_in>;
> + };
> + };
> + };

--
Regards,

Laurent Pinchart