Re: [PATCH v4 01/13] dt-bindings: clock: renesas,r8a78000-cpg: Add CPG_SGDn_VIO_DP_{TX,OTHER}
From: Krzysztof Kozlowski
Date: Tue Nov 10 2026 - 04:56:14 EST
On Mon, Nov 09, 2026 at 10:34:22PM +0900, Paul Elder wrote:
> Add the CPG_SGDn_VIO_DP_TX and CPG_SGDn_VIO_DP_OTHER clocks that are
> used by FCPV, VSP, VCON, and DPTX cores.
>
> It should be noted that there is likely a discrepancy regarding the
> clocks. In practice it ought not to be an issue as all the clocks derive
> from the same SGD1_VIO_MAIN clock and none of them are programmable or
> gateable.
>
> According to the datasheet, the FCPV[BID] and VSPD cores use
> SGD*_VIO_DP_TXφ while the VSP[BI] cores use SGD*_VIO_DP_OTHERφ.
> However, educated guessing suggests that IP cores in the same pipeline
> should be using the same clocks:
> - FCPV[BI] -> VSP[BI]: SGD*_VIO_DP_OTHERφ
> - FCPVD -> VSPD -> VCON -> DPTX: SGD*_VIO_DP_TXφ
>
> Signed-off-by: Paul Elder <paul.elder+renesas@xxxxxxxxxxxxxxxx>
>
> ---
> Changes in v4:
> - Add all the clocks
> - remove DNI
What is DNI?
What do you expect from us on this patchset?
Best regards,
Krzysztof