linux-kernel - Re: [RFC PATCH 07/10] dt-bindings: rtc: Add bindings for Netronix embedded controller RTC

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Message-ID: <20200703170403.GB2578@latitude>
Date:   Fri, 3 Jul 2020 19:04:03 +0200
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Sam Ravnborg <sam@...nborg.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>,
        Stephan Gerhold <stephan@...hold.net>,
        Lubomir Rintel <lkundrak@...sk>,
        Mark Brown <broonie@...nel.org>, allen <allen.chen@....com.tw>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Heiko Stuebner <heiko@...ech.de>,
        Josua Mayer <josua.mayer@....eu>
Subject: Re: [RFC PATCH 07/10] dt-bindings: rtc: Add bindings for Netronix
 embedded controller RTC

On Fri, Jun 26, 2020 at 11:55:52PM +0200, Andreas Kemnade wrote:
> On Sun, 21 Jun 2020 02:02:20 +0200
> Alexandre Belloni <alexandre.belloni@...tlin.com> wrote:
[...]
> > Also, do you really need a compatible string to be able to proe the
> > driver? What are the chances that you'll get a similar EC without an
> > RTC?
> > 
> Tolino Shine 2 HD has the mentioned EC but the vendor kernel does not use
> its RTC (not checked whether it is present or functional).
> As a key for grepping in the vendor sources: 
> gptNtxHwCfg->m_val.bPCB = 0x50

Thanks for checking.

(In the MMC dump from my Shine 2 HD, it's decimal 50 rather than hex)

> Tolino Shine 3  and Kobo Clara HD do not have that EC.

Fortunately, this set of drivers isn't needed at all in that case.


Thanks,
Jonathan

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