linux-kernel - Re: [PATCH 1/3] arm64: dts: stratix10: use "altr,stratix10-rst-mgr" binding

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Date:   Thu, 15 Nov 2018 08:35:39 -0600
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Philipp Zabel <p.zabel@...gutronix.de>
Cc:     robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dinh Nguyen <dinh.nguyen@...el.com>
Subject: Re: [PATCH 1/3] arm64: dts: stratix10: use "altr,stratix10-rst-mgr"
 binding



On 11/15/18 3:33 AM, Philipp Zabel wrote:
> Hi Dinh,
> 
> On Mon, 2018-11-05 at 14:05 -0600, Dinh Nguyen wrote:
>> From: Dinh Nguyen <dinh.nguyen@...el.com>
>>
>> The standard reset-simple driver the uses the "altr,rst-mgr" binding is
>> not getting initialized early enough in the boot process, so timers
>> that the kernel needs are still left in reset. Thus an early
>> reset driver was created. This early reset driver is only for the
>> SoCFPGA 32-bit platform.
>>
>> The Stratix10 platform does not need any of the timers that in reset to
>> boot, thus we don't need to early reset driver. Therefore, use the
>> "altr,stratix10-rst-mgr" binding for the reset-simple platform driver on
>> the Stratix10 platform.
>>
>> Also remove the "altr,modrst-offset" property because the driver no
>> longer needs it.
>>
>> Signed-off-by: Dinh Nguyen <dinguyen@...nel.org>
>> ---
>>  arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
>> index 8253a1a9e985..5f0b18ae5007 100644
>> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
>> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
>> @@ -308,9 +308,8 @@
>>  
>>  		rst: rstmgr@...11000 {
>>  			#reset-cells = <1>;
>> -			compatible = "altr,rst-mgr";
>> +			compatible = "altr,stratix10-rst-mgr", "altr,rst-mgr";
>>  			reg = <0xffd11000 0x1000>;
>> -			altr,modrst-offset = <0x20>;
>>  		};
>>  
>>  		spi0: spi@...a4000 {
> 
> Do you want me to pick this up as well, or just patches 2 and 3?
> 

I'll take this patch through arm-soc to avoid conflicts. Can you please
pick up 2 and 3?

Thanks,
Dinh