linux-kernel - Re: [RFC PATCH 1/3] arm64: dts: ti: am6-wakeup: Add gpio node

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Message-ID: <bac5737a-3924-b59f-1d90-a2a9b3a390f1@ti.com>
Date:   Wed, 5 Jun 2019 12:01:35 +0530
From:   Keerthy <j-keerthy@...com>
To:     Lokesh Vutla <lokeshvutla@...com>, <t-kristo@...com>, <nm@...com>,
        <robh+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 1/3] arm64: dts: ti: am6-wakeup: Add gpio node



On 05/06/19 11:46 AM, Lokesh Vutla wrote:
> 
> 
> On 05/06/19 11:38 AM, Keerthy wrote:
>> Add gpio0 node under wakeup domain. This has 56 gpios
>> and all are capable of generating banked interrupts.
>>
>> Signed-off-by: Keerthy <j-keerthy@...com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 15 +++++++++++++++
>>   1 file changed, 15 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
>> index f1ca171abdf8..8c6c99e7c6ed 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
>> @@ -74,4 +74,19 @@
>>   		ti,sci-dst-id = <56>;
>>   		ti,sci-rm-range-girq = <0x4>;
>>   	};
>> +
>> +	wkup_gpio0: wkup_gpio0@...10000 {
>> +		compatible = "ti,k2g-gpio", "ti,keystone-gpio";
> 
> This is not k2g. Can you either create a am6 specific compatible or just use
> ti,keystone-gpio.

It seems practice is now to have separate compatible. I will add am6 
specific compatible.

> 
> Thanks and regards,
> Lokesh
> 
>> +		reg = <0x42110000 0x100>;
>> +		gpio-controller;
>> +		#gpio-cells = <2>;
>> +		interrupt-parent = <&intr_wkup_gpio>;
>> +		interrupts = <59 128>, <59 129>, <59 130>, <59 131>;
>> +		interrupt-controller;
>> +		#interrupt-cells = <2>;
>> +		ti,ngpio = <56>;
>> +		ti,davinci-gpio-unbanked = <0>;
>> +		clocks = <&k3_clks 59 0>;
>> +		clock-names = "gpio";
>> +	};
>>   };
>>