linux-kernel - Re: [PATCH] ARM: dts: tps65217: add power regulator & backlight drivers support

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Message-ID: <c9f5b6b7-7e01-5b99-c2a9-1bbfd50ebb27@windriver.com>
Date: Wed, 17 Jan 2024 15:56:26 +0800
From: Xulin Sun <xulin.sun@...driver.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: tps65217: add power regulator & backlight
 drivers support

On 1/17/24 15:24, Krzysztof Kozlowski wrote:
> On 17/01/2024 05:33, Xulin Sun wrote:
>> Support TPS65217 voltage regulator driver and TPS65217 Backlight driver.
>> And enable them by default. This will avoid below booting failed
>> information:
>> tps65217-pmic: Failed to locate of_node [id: -1]
>> tps65217-bl: Failed to locate of_node [id: -1]
>>
>> Signed-off-by: Xulin Sun <xulin.sun@...driver.com>
>> ---
>>   arch/arm/boot/dts/tps65217.dtsi | 10 ++++++++++
>>   1 file changed, 10 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/tps65217.dtsi b/arch/arm/boot/dts/tps65217.dtsi
>> index 0d463de5650f..f412e7476660 100644
>> --- a/arch/arm/boot/dts/tps65217.dtsi
>> +++ b/arch/arm/boot/dts/tps65217.dtsi
>> @@ -13,6 +13,16 @@ &tps {
>>   	interrupt-controller;
>>   	#interrupt-cells = <1>;
>>   
>> +	pmic {
>> +		compatible = "ti,tps65217-pmic";
>> +		status = "okay";
> Why do you need status here?


It corresponds to the drvier: drivers/regulator/tps65217-regulator.c, 
and regulator is one of the main function of TPS65217.

I think it should be enabled by default, so set status to "okay" here.


Thanks

Xulin

>
> Best regards,
> Krzysztof
>