Re: [PATCH v2 05/16] dt-bindings: display: ti,am65x-dss: Add AM62P DSS

[Krzysztof Kozlowski <krzk@kernel.org>]

On Wed, May 13, 2026 at 04:17:27PM +0300, Tomi Valkeinen wrote:
> TI's AM62P, J722S and AM67A SoCs contain same implementation of the
> display subsystem (DSS). There are two instances of the DSS (DSS0 and
> DSS1), each with two video ports (VP) and two video planes.
> Additionally the SoCs contain two OLDI TXes (OLDI0 and OLDI1), a MIPI
> DSI TX and a MIPI DPI output path.
> 
> DSS0 supports:
> - VP0: OLDI0 in single-link mode, or OLDI0 and OLDI1 in dual-link or
>   clone mode.
> - VP1: DPI
> 
> DSS1 supports:
> - VP0: OLDI1 in single-link mode, or DPI
> - VP1: DPI or DSI
> 
> The DSI is only connected to VP1 of DSS1, but OLDI and DPI are shared
> between the DSS instances. Thus only a single VP can output to DPI, and
> a single VP can use an OLDI block. Note that in single-link
> configuration OLDI0 can be used by DSS0, and at the same time OLDI1 can
> be used by DSS1.
> 
> The DSS IP itself is compatible with older SoCs. While we could use
> "ti,am625-dss" compatible string, we add a new one "ti,am62p-dss" to be
> on the safe side in case the driver needs to do something special for
> the dual-DSS case in the future.
> 
> Original patch by Swamil Jain <s-jain1@ti.com>
> 
> Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
> Tested-by: Swamil Jain <s-jain1@ti.com>

Same comments.

Best regards,
Krzysztof