linux-kernel - Re: [PATCH 10/12] arm64: dts: imx93-kontron: Add RTC interrupt signal

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Message-ID: <691c5adc-9c0f-49dc-a51b-08cca38bf572@kontron.de>
Date: Wed, 16 Jul 2025 08:28:49 +0200
From: Frieder Schrempf <frieder.schrempf@...tron.de>
To: Primoz Fiser <primoz.fiser@...ik.com>, Frieder Schrempf
 <frieder@...s.de>, linux-arm-kernel@...ts.infradead.org,
 Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
 imx@...ts.linux.dev, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 linux-kernel@...r.kernel.org, Rob Herring <robh@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>
Cc: Fabio Estevam <festevam@...il.com>,
 Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH 10/12] arm64: dts: imx93-kontron: Add RTC interrupt signal

Hi Primoz,

Am 16.07.25 um 08:21 schrieb Primoz Fiser:
> Hi Frieder,
> 
> On 14. 07. 25 16:17, Frieder Schrempf wrote:
>> From: Frieder Schrempf <frieder.schrempf@...tron.de>
>>
>> The RTC EVI ouptut is connected to a GPIO. Add the interrupt
>> so it can be used by the RTC driver.
> 
> AFAIK, RV3028's EVI is an input pin (EVent Input).
> 
> Please check.

Thanks for noticing! It seems like the commit message is wrong here. The
patch is about the INT signal which is an output on the RTC. I will fix
the description in v2.

Thanks
Frieder

>>
>> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
>> ---
>>  arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi | 9 +++++++++
>>  1 file changed, 9 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi b/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi
>> index 119a162070596..c79b1df339db1 100644
>> --- a/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi
>> +++ b/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi
>> @@ -205,6 +205,9 @@ eeprom@50 {
>>  	rv3028: rtc@52 {
>>  		compatible = "microcrystal,rv3028";
>>  		reg = <0x52>;
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&pinctrl_rtc>;
>> +		interrupts-extended = <&gpio3 19 IRQ_TYPE_LEVEL_LOW>;
>>  	};
>>  };
>>  
>> @@ -468,6 +471,12 @@ MX93_PAD_CCM_CLKO4__GPIO4_IO29			0x31e /* CARRIER_PWR_EN */
>>  		>;
>>  	};
>>  
>> +	pinctrl_rtc: rtcgrp {
>> +		fsl,pins = <
>> +			MX93_PAD_SD2_VSELECT__GPIO3_IO19		0x31e
>> +		>;
>> +	};
>> +
>>  	pinctrl_sai3: sai3grp {
>>  		fsl,pins = <
>>  			MX93_PAD_GPIO_IO20__SAI3_RX_DATA00		0x31e /* I2S_A_DATA_IN */
> 
>