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Date:   Fri, 3 Jul 2020 19:04:03 +0200
From:   Jonathan =?utf-8?Q?Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>
To:     Andreas Kemnade <andreas@kemnade.info>
Cc:     Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Jonathan =?utf-8?Q?Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>,
        linux-kernel@vger.kernel.org, Lee Jones <lee.jones@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Thierry Reding <thierry.reding@gmail.com>,
        Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>,
        Alessandro Zummo <a.zummo@towertech.it>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Sam Ravnborg <sam@ravnborg.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Heiko Stuebner <heiko.stuebner@theobroma-systems.com>,
        Stephan Gerhold <stephan@gerhold.net>,
        Lubomir Rintel <lkundrak@v3.sk>,
        Mark Brown <broonie@kernel.org>, allen <allen.chen@ite.com.tw>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        devicetree@vger.kernel.org, linux-pwm@vger.kernel.org,
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        Heiko Stuebner <heiko@sntech.de>,
        Josua Mayer <josua.mayer@jm0.eu>
Subject: Re: [RFC PATCH 07/10] dt-bindings: rtc: Add bindings for Netronix
 embedded controller RTC
Message-ID: <20200703170403.GB2578@latitude>
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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@bootlin.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?
> >=20
> 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:=20
> gptNtxHwCfg->m_val.bPCB =3D 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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