Re: [PATCH v1 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP transmitter binding

From: Neil Armstrong
Date: Thu Sep 19 2019 - 02:57:17 EST


Hi,

On 19/09/2019 08:55, Xin Ji wrote:
> The ANX7625 is an ultra-low power 4K Mobile HD Transmitter designed
> for portable device. It converts MIPI to DisplayPort 1.3 4K.
>
> You can add support to your board with binding.
>
> Example:
> anx_bridge: anx7625@58 {
> compatible = "analogix,anx7625";
> reg = <0x58>;
> anx,low_power_mode = <1>;
> anx,dsi_supported = <1>;
> anx,dsi_channel = <1>;
> anx,dsi_lanes = <4>;
> anx,internal_pannel = <1>;
> anx,p-on-gpio = <&gpio0 45 GPIO_ACTIVE_LOW>;
> anx,reset-gpio = <&gpio0 73 GPIO_ACTIVE_LOW>;
> status = "okay";
> port {
> anx7625_1_in: endpoint {
> remote-endpoint = <&mipi_dsi_bridge_1>;
> };
> };
> };
>
> Signed-off-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/display/bridge/anx7625.txt | 42 ++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/anx7625.txt
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/anx7625.txt b/Documentation/devicetree/bindings/display/bridge/anx7625.txt
> new file mode 100644
> index 0000000..f2a1c2a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/anx7625.txt
> @@ -0,0 +1,42 @@
> +Analogix ANX7625 SlimPort (4K Mobile HD Transmitter)
> +-----------------------------------------------

New bindings should use yaml format:
https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/example-schema.yaml

Neil

> +
> +The ANX7625 is an ultra-low power 4K Mobile HD Transmitter
> +designed for portable devices.
> +
> +Required properties:
> +
> + - compatible : "analogix,anx7625"
> + - reg : I2C address of the device
> + - anx,low_power_mode : Low power mode support feature
> + - anx,dsi_supported : DSI or DPI
> + - anx,dsi_channel : DSI channel index
> + - anx,dsi_lanes : DSI lane count
> + - anx,intr-hpd-gpio : Which GPIO to use for interrupt
> +
> +Optional properties:
> +
> + - anx,extcon_supported
> + external connector interface support flag
> + - anx,internal_pannel
> + Which indicate internal pannel
> + - anx,p-on-gpio
> + Which GPIO to use for Power On chip
> + - anx,reset-gpio
> + Which GPIO to use for RESET
> + - port
> + SoC specific port nodes with endpoint definitions as defined in
> + Documentation/devicetree/bindings/media/video-interfaces.txt,
> +
> +Example:
> +
> + anx_bridge: anx7625@58 {
> + compatible = "analogix,anx7625";
> + reg = <0x58>;
> + anx,low_power_mode = <0>;
> + anx,dsi_supported = <1>;
> + anx,dsi_channel = <1>;
> + anx,dsi_lanes = <4>;
> + anx,intr-hpd-gpio = <&gpio1 19 IRQ_TYPE_LEVEL_LOW>;
> + status = "okay";
> + };
>