linux-kernel - Re: [PATCH v2 02/10] soc: fsl: qe: Add support for TSA

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Message-ID: <7a36f02b-1ba1-b509-4aa0-c5c37a3cb3ef@csgroup.eu>
Date:   Wed, 11 Jan 2023 13:47:23 +0000
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Herve Codina <herve.codina@...tlin.com>,
        Li Yang <leoyang.li@....com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Qiang Zhao <qiang.zhao@....com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Shengjiu Wang <shengjiu.wang@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Nicolin Chen <nicoleotsuka@...il.com>
CC:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v2 02/10] soc: fsl: qe: Add support for TSA



Le 06/01/2023 à 17:37, Herve Codina a écrit :
> The TSA (Time Slot Assigner) is available in some
> PowerQUICC SoC such as the MPC885 or MPC866.
> 
> Its purpose is to route some TDM time-slots to other
> internal serial controllers.

Is the subject correct ? As far as I understand this patch adds support 
for the TSA on the CPM (exactly on CPM1), not on the QE.

By the way, there are already some embryo for handling TSA on QE in 
drivers/soc/fsl/qe/qe-tdm.c

> 
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>

Christophe