linux-kernel - Re: [PATCH v1] ARM: dts: imx: tqma7: add lm75a sensor (rev. 01xxx)

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Date:   Fri, 3 Nov 2023 18:07:08 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     João Rodrigues <jrodrigues@...met.com>,
        Bruno Thomsen <bruno.thomsen@...il.com>,
        Alexander Stein <alexander.stein@...tq-group.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] ARM: dts: imx: tqma7: add lm75a sensor (rev. 01xxx)

[Adding Bruno and Alexander]

On Thu, Nov 2, 2023 at 7:12 PM João Rodrigues <jrodrigues@...met.com> wrote:
>
> From: João Rodrigues <jrodrigues@...met.com>
>
> TQMa7x (revision 01xxx) uses a LM75A temperature sensor.
> The two sensors use different I2C addresses, so we can set both sensors
> simultaneously.
>
> Signed-off-by: João Rodrigues <jrodrigues@...met.com>
> ---
>  arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> 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 {
>                 };
>         };
>
> -       /* NXP SE97BTP with temperature sensor + eeprom */
> +       /* LM75A temperature sensor, TQMa7x 01xx */
> +       lm75a: temperature-sensor@48 {
> +               compatible = "national,lm75a";
> +               reg = <0x48>;
> +       };
> +
> +       /* NXP SE97BTP with temperature sensor + eeprom, TQMa7x 02xx */
>         se97b: temperature-sensor-eeprom@1e {
>                 compatible = "nxp,se97b", "jedec,jc-42.4-temp";
>                 reg = <0x1e>;
> -               status = "okay";
>         };
>
>         /* ST M24C64 */
> --
> 2.25.1
>