On Fri, Jun 14, 2019 at 8:53 AM Robert Chiras <robert.chi...@nxp.com> wrote:
>
> Add dt-bindings documentation for Raydium RM67191 DSI panel.
>
> Signed-off-by: Robert Chiras <robert.chi...@nxp.com>
> ---
> .../bindings/display/panel/raydium,rm67191.txt | 42
> ++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
>
> diff --git
> a/Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
> b/Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
> new file mode 100644
> index 0000000..5a6268d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
> @@ -0,0 +1,42 @@
> +Raydium RM67171 OLED LCD panel with MIPI-DSI protocol
> +
> +Required properties:
> +- compatible: "raydium,rm67191"
> +- reg: virtual channel for MIPI-DSI protocol
> + must be <0>
> +- dsi-lanes: number of DSI lanes to be used
> + must be <3> or <4>
> +- port: input port node with endpoint definition as
> + defined in
> Documentation/devicetree/bindings/graph.txt;
> + the input port should be connected to a MIPI-DSI
> device
> + driver
> +
> +Optional properties:
> +- reset-gpio: a GPIO spec for the RST_B GPIO pin
reset-gpios (with the s in the end) is the recommendation.
> +- display-timings: timings for the connected panel according to [1]
This is not needed.
> +- video-mode: 0 - burst-mode
> + 1 - non-burst with sync event
> + 2 - non-burst with sync pulse
> +
> +[1]: Documentation/devicetree/bindings/display/display-timing.txt
This path does not exist.
Also, could you try to align these bindings with the one from raydium,rm68200?
There are power-supply and backlight optional properties there, which
seem useful.
> +
> +Example:
> +
> + panel@0 {
> + compatible = "raydium,rm67191";
> + reg = <0>;
> + pinctrl-0 = <&pinctrl_mipi_dsi_0_1_en>;
You should also pass pinctrl-names = "default"; if you use pinctrl-0.
> + reset-gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
Should be active low.
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