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From: Vincent Jardin <vjardin@free.fr>
To: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: u-boot@lists.u-boot-project.org, Tom Rini <trini@konsulko.com>,
	Peng Fan <peng.fan@nxp.com>,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	Hemant Agrawal <hemant.agrawal@nxp.com>,
	Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>,
	Wasim Khan <wasim.khan@nxp.com>,
	Priyanka Jain <priyanka.jain@nxp.com>
Subject: Re: [PATCH v5 12/13] doc: lx2160a: document the sd1 hwconfig option
Date: Thu, 1 Oct 2026 22:41:18 +0200	[thread overview]
Message-ID: <ar7FbpxWqAqVZJ4k@L30177.local> (raw)
In-Reply-To: <20261001152514.vkcl3mw7gaz67xqo@skbuf>

Hi Vladimir,

On Thu, Oct 01, 2026 at 06:25:14PM +0300, Vladimir Oltean wrote:
> "A reference clock from which 10.3125 GHz clock net can be derived"
> sounds like it includes 156.25 MHz too, but the code is hardcoded for
> 161.1328125 MHz.

ok, so my draft for v6, I'll use:

        - PLLS needs a 161.1328125 MHz reference clock, for which 2x40g,
          40g4x10g and 100g4x10g program it. It can come from the SD1
          PLLS reference clock input, or from the PLLF one with
          SRDS_INTRA_REF_CLK_S1=1. A 156.25 MHz PLLS reference clock is
          not supported. With protocol 13 PLLS is not in use, so nothing
          checks that clock before these modes start it.

Thanks,
  Vincent

  reply	other threads:[~2026-10-01 20:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-29 17:59 [PATCH v5 00/13] board: lx2160a: runtime SD 1 lane configuration for LX2160A boards Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 01/13] board: lx2160a: serdes: drop the split subcommand Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 02/13] board: lx2160a: serdes: rename serdes1:split to serdes1:100g4x25g Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 03/13] board: lx2160a: serdes: rename SPLIT_POLL_US to SRDS_POLL_US Vincent Jardin
2026-10-01 13:05   ` Vladimir Oltean
2026-09-29 17:59 ` [PATCH v5 04/13] board: lx2160a: serdes: move the SD1 halt and reset into helpers Vincent Jardin
2026-10-01 13:07   ` Vladimir Oltean
2026-09-29 17:59 ` [PATCH v5 05/13] board: lx2160a: serdes: set SD1 with a table Vincent Jardin
2026-10-01 13:10   ` Vladimir Oltean
2026-09-29 17:59 ` [PATCH v5 06/13] board: lx2160a: serdes: report unknown SD1 cases Vincent Jardin
2026-10-01 13:15   ` Vladimir Oltean
2026-09-29 17:59 ` [PATCH v5 07/13] board: lx2160a: serdes: no SD1 config once MC runs Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 08/13] board: lx2160a: serdes: add serdes1:2x40g Vincent Jardin
2026-10-01 14:55   ` Vladimir Oltean
2026-10-01 20:40     ` Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 09/13] board: lx2160a: serdes: enter a SD1 mode through the mode it starts from Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 10/13] board: lx2160a: serdes: add serdes1:40g4x10g Vincent Jardin
2026-09-29 17:59 ` [PATCH v5 11/13] board: lx2160a: serdes: add serdes1:100g4x10g Vincent Jardin
2026-10-01 15:21   ` Vladimir Oltean
2026-09-29 17:59 ` [PATCH v5 12/13] doc: lx2160a: document the sd1 hwconfig option Vincent Jardin
2026-10-01 15:25   ` Vladimir Oltean
2026-10-01 20:41     ` Vincent Jardin [this message]
2026-09-29 17:59 ` [PATCH v5 13/13] board: nbxv3: apply sd1 hwconfig before MC starts Vincent Jardin

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