Re: [PATCH 1/3] arm64: dts: ti: k3-j7200-main: Add gpio nodes in main domain

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Hi Nishanth,

On 12/11/20 10:09 PM, Nishanth Menon wrote:
> On 00:41-20201103, Faiz Abbas wrote:
>> There are 4 instances of gpio modules in main domain:
>> 	gpio0, gpio2, gpio4 and gpio6
>>
>> Groups are created to provide protection between different processor virtual
>> worlds. Each of these modules I/O pins are muxed within the group. Exactly
>> one module can be selected to control the corresponding pin by selecting it
>> in the pad mux configuration registers.
> Could you check with checkpatch --strict please?
> 
> I see:
> 
> WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)
> 
>>
>> This group pins out 69 lines (5 banks).
>>
>> Add DT modes for each module instance in the main domain.
>>
>> Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
>> ---
>>  arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 68 +++++++++++++++++++++++
> 
> dtbs_check: we added:
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi: /bus@100000/gpio@600000: Missing #address-cells in interrupt provider
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi: /bus@100000/gpio@610000: Missing #address-cells in interrupt provider
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi: /bus@100000/gpio@620000: Missing #address-cells in interrupt provider
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi: /bus@100000/gpio@630000: Missing #address-cells in interrupt provider

Hmm, running dtbs_check, I did not really see this. These are all the
warnings I see for TI platforms: https://pastebin.ubuntu.com/p/m2my62mjQq/

The tree I am testing is linux-next of 12th Nov + these three patches
applied.

Also, #address-cells for interrupt provider being compulsory does not
make full sense to me. Nothing in
Documentation/devicetree/bindings/interrupt-controller/interrupts.txt or
Documentation/devicetree/bindings/gpio/gpio-davinci.txt suggests that as
well.

Existing GPIO nodes for AM654 or J721E does not have #address-cells as well.

Adding Grygorii as well, in case he knows more about this.

Thanks,
Sekhar



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