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d="scan'208";a="33887871" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 09 Nov 2023 07:57:33 +0100 Received: from steina-w.localnet (steina-w.tq-net.de [10.123.53.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id 8966628007F; Thu, 9 Nov 2023 07:57:33 +0100 (CET) From: Alexander Stein To: =?ISO-8859-1?Q?Jo=E3o?= Rodrigues , Bruno Thomsen , Fabio Estevam Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , NXP Linux Team , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1] ARM: dts: imx: tqma7: add lm75a sensor (rev. 01xxx) Date: Thu, 09 Nov 2023 07:57:36 +0100 Message-ID: <1783737.VLH7GnMWUR@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <2253436.iZASKD2KPV@steina-w> References: <20231102231130.13ca0513@pcn112> <2253436.iZASKD2KPV@steina-w> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Hi Jo=C3=A3o, Am Dienstag, 7. November 2023, 07:34:32 CET schrieb Alexander Stein: > Hi, >=20 > Am Freitag, 3. November 2023, 22:07:08 CET schrieb Fabio Estevam: > > [Adding Bruno and Alexander] > >=20 > > On Thu, Nov 2, 2023 at 7:12=E2=80=AFPM Jo=C3=A3o Rodrigues =20 wrote: > > > From: Jo=C3=A3o Rodrigues > > >=20 > > > TQMa7x (revision 01xxx) uses a LM75A temperature sensor. > > > The two sensors use different I2C addresses, so we can set both senso= rs > > > simultaneously. >=20 > I've contacted responsible department and I am waiting for more details. I got response that REV.01xx was just a prototype and not released official= ly. > Best regards, > Alexander >=20 > > > Signed-off-by: Jo=C3=A3o Rodrigues > > > --- > > >=20 > > > arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi | 9 +++++++-- > > > 1 file changed, 7 insertions(+), 2 deletions(-) > > >=20 > > > diff --git a/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi > > > b/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi index > > > fe42b0a4683..3fc3130f9de 100644 > > > --- a/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi > > > +++ b/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi > > > @@ -128,11 +128,16 @@ vgen6_reg: vldo4 { > > >=20 > > > }; > > > =20 > > > }; > > >=20 > > > - /* NXP SE97BTP with temperature sensor + eeprom */ > > > + /* LM75A temperature sensor, TQMa7x 01xx */ > > > + lm75a: temperature-sensor@48 { > > > + compatible =3D "national,lm75a"; > > > + reg =3D <0x48>; > > > + }; I don't like the idea of adding an i2c device for everybody. This restricts/ affects usage of i2c address 0x48 for all rev.02xx users, no? Best regards, Alexander > > > + > > > + /* NXP SE97BTP with temperature sensor + eeprom, TQMa7x 02xx = */ > > >=20 > > > se97b: temperature-sensor-eeprom@1e { > > > =20 > > > compatible =3D "nxp,se97b", "jedec,jc-42.4-temp"; > > > reg =3D <0x1e>; > > >=20 > > > - status =3D "okay"; > > >=20 > > > }; > > > =20 > > > /* ST M24C64 */ > > >=20 > > > -- > > > 2.25.1 =2D-=20 TQ-Systems GmbH | M=C3=BChlstra=C3=9Fe 2, Gut Delling | 82229 Seefeld, Germ= any Amtsgericht M=C3=BCnchen, HRB 105018 Gesch=C3=A4ftsf=C3=BChrer: Detlef Schneider, R=C3=BCdiger Stahl, Stefan Sch= neider http://www.tq-group.com/