linux-kernel - Re: [PATCH v4 2/6] arm64: dts: ti: k3-j721s2-som-p0: Add TP6594 family PMICs

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Date:   Thu, 3 Aug 2023 16:43:37 +0530
From:   Vaishnav Achath <vaishnav.a@...com>
To:     "Kumar, Udit" <u-kumar1@...com>,
        Esteban Blanc <eblanc@...libre.com>,
        "Menon, Nishanth" <nm@...com>,
        "Raghavendra, Vignesh" <vigneshr@...com>,
        "kristo@...nel.org" <kristo@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jneanne@...libre.com" <jneanne@...libre.com>,
        "aseketeli@...libre.com" <aseketeli@...libre.com>,
        "jpanis@...libre.com" <jpanis@...libre.com>
Subject: Re: [PATCH v4 2/6] arm64: dts: ti: k3-j721s2-som-p0: Add TP6594
 family PMICs



On 03/08/23 16:01, Kumar, Udit wrote:
> Hi Esteban
> 

Hi Esteban, Udit,

>> [...]
>> Signed-off-by: Esteban Blanc <eblanc@...libre.com>
>> ---
>> arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 199 +++++++++++++++++++
>> 1 file changed, 199 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
>> b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
>> index d57dd43da0ef..5348aafe3277 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
>> @@ -61,6 +61,15 @@ J721S2_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (E20)
>> MCU_OSPI0_LBCLKO */
>> 	};
>> };
>>
>> +&wkup_pmx1 {
>> +	pmic_irq_pins_default: pmic-irq-pins-default {
>> +		pinctrl-single,pins = <
>> +			/* (C21) MCU_OSPI1_CSn1.WKUP_GPIO0_39 */
>> +			J721S2_WKUP_IOPAD(0x28, PIN_INPUT, 7)
>> +		>;
> 
> I see, this pin is getting shared with OSPI-1 .
> I think either OSPI or PMIC could be functional at one time ? 
> 

OSPI CS1 is not being used, so the corresponding entry under OSPI1 can be removed.

Thanks and Regards,
Vaishnav

>> +	};
>> +};
>> +
>>  [...]
>