Re: [PATCH 1/4] dt-bindings: display: bridge: Add Parade PS195

[Krzysztof Kozlowski <krzk@kernel.org>]

On 12/11/2026 11:15, Nabige Aala wrote:
> From: Mahadevan P <mahadevan.p@oss.qualcomm.com>
> 
> Add bindings for the Parade PS195 DisplayPort to HDMI bridge, describing
> its power supplies, optional reset GPIO and display ports.
> 
> Signed-off-by: Mahadevan P <mahadevan.p@oss.qualcomm.com>
> Signed-off-by: Nabige Aala <nabige.aala@oss.qualcomm.com>
> ---
>  .../bindings/display/bridge/parade,ps195.yaml      | 98 ++++++++++++++++++++++
>  MAINTAINERS                                        |  6 ++
>  2 files changed, 104 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/parade,ps195.yaml b/Documentation/devicetree/bindings/display/bridge/parade,ps195.yaml
> new file mode 100644
> index 000000000000..089191570ef0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/parade,ps195.yaml
> @@ -0,0 +1,98 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/parade,ps195.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Parade PS195 DisplayPort to HDMI protocol converter
> +
> +maintainers:
> +  - Mahadevan P <mahadevan.p@oss.qualcomm.com>
> +
> +description:
> +  The PS195 converts DisplayPort input to HDMI output. Firmware loaded from
> +  an external SPI flash handles link training, EDID access and hotplug
> +  detection. This binding describes operation without host control of

Please post complete binding.

> +  the device registers. The optional I2C control port is not required for
> +  display operation. Reset may be controlled by a GPIO or released by a

So this can does not have to be connected to I2C bus at all? I checked
datasheet and it does not really mention having SDA/SCL floating
(disconnected).

Best regards,
Krzysztof