linux-kernel - Re: [PATCH v4 4/4] arm64: dts: s32g399a-rdb3: Add INA231 sensor entry over I2C4

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Message-ID: <8d76d86f-ff49-4ce2-a004-d100967b4e0c@oss.nxp.com>
Date: Mon, 13 Jan 2025 11:59:48 +0200
From: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
To: Frank Li <Frank.li@....com>
Cc: Chester Lin <chester62515@...il.com>, Matthias Brugger
 <mbrugger@...e.com>, Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Pengutronix Kernel Team <kernel@...gutronix.de>,
 linux-arm-kernel@...ts.infradead.org, imx@...ts.linux.dev,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 NXP S32 Linux <s32@....com>, Christophe Lizzi <clizzi@...hat.com>,
 Alberto Ruiz <aruizrui@...hat.com>, Enric Balletbo <eballetb@...hat.com>
Subject: Re: [PATCH v4 4/4] arm64: dts: s32g399a-rdb3: Add INA231 sensor entry
 over I2C4

On 12/20/2024 5:55 PM, Frank Li wrote:
> On Fri, Dec 20, 2024 at 02:39:16PM +0200, Ciprian Costea wrote:
>> From: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
>>
>> On S32G399A-RDB3 boards, an INA231 current sensor is connected over
>> I2C4 bus.
> 
> Add INA231 current sensor for S32G399A-RDB3 boards.
> 
>>
>> Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
>> ---
>>   arch/arm64/boot/dts/freescale/s32g399a-rdb3.dts | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/freescale/s32g399a-rdb3.dts b/arch/arm64/boot/dts/freescale/s32g399a-rdb3.dts
>> index 94f531be4017..5f8739c068c6 100644
>> --- a/arch/arm64/boot/dts/freescale/s32g399a-rdb3.dts
>> +++ b/arch/arm64/boot/dts/freescale/s32g399a-rdb3.dts
>> @@ -40,6 +40,14 @@ &uart1 {
>>   	status = "okay";
>>   };
>>
>> +&i2c4 {
>> +	ina231@40 {
> 
> Need use general node name:
> https://devicetree-specification.readthedocs.io/en/v0.3/devicetree-basics.html#node-names
> 
> look like should be current-sensor
> 
> Frank
> 

Thanks. I will update in V5.

Ciprian

>> +		compatible = "ti,ina231";
>> +		reg = <0x40>;
>> +		shunt-resistor = <1000>;
>> +	};
>> +};
>> +
>>   &usdhc0 {
>>   	pinctrl-names = "default", "state_100mhz", "state_200mhz";
>>   	pinctrl-0 = <&pinctrl_usdhc0>;
>> --
>> 2.45.2
>>