[PATCH 1/2] dt-bindings: display: exynos: dsim: Add 'lane-polarities'

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Thu Mar 30 07:37:59 UTC 2023


On 29/03/2023 16:41, Fabio Estevam wrote:
> From: Fabio Estevam <festevam at denx.de>
> 
> The Samsung DSIM IP block allows the inversion of the clock and
> data lanes.
> 
> Add an optional property called 'lane-polarities' that describes the
> polarities of the MIPI DSI clock and data lanes.
> 
> This is property is useful for properly describing the hardware
> when the board designer decided to switch the polarities of the MIPI DSI
> clock and/or data lanes.
> 
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> ---
>  .../devicetree/bindings/display/exynos/exynos_dsim.txt      | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt
> index 2a5f0889ec32..65ed8ef7aed7 100644
> --- a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt
> +++ b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt
> @@ -29,6 +29,12 @@ Required properties:
>  
>  Optional properties:
>    - power-domains: a phandle to DSIM power domain node
> +  - lane-polarities: Array that describes the polarities of the clock and data lanes.
> +    1: inverted polarity
> +    0: normal polarity
> +    The first entry corresponds to the clock lanes. Subsequent entries correspond to the data lanes.
> +    Example of a 4-lane system with only the clock lanes inverted:
> +    lane-polarities = <1 0 0 0 0>;

First, please convert to DT schema.

Best regards,
Krzysztof



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