linux-kernel - Re: [PATCH 08/17] ARM: dts: dra7: Add dt node for the sycon pcie

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Date:	Wed, 24 Jun 2015 18:59:13 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Roger Quadros <rogerq@...com>
CC:	<bcousson@...libre.com>, <tony@...mide.com>, <balbi@...com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<linux@....linux.org.uk>, <gregkh@...uxfoundation.org>,
	<nsekhar@...com>
Subject: Re: [PATCH 08/17] ARM: dts: dra7: Add dt node for the sycon pcie

Hi,

On Wednesday 24 June 2015 05:20 PM, Roger Quadros wrote:
> On Tue, 23 Jun 2015 17:28:53 +0530
> Kishon Vijay Abraham I <kishon@...com> wrote:
> 
>> Add new device tree node for the control module register space where
>> PCIe registers are present.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
>> ---
>>  arch/arm/boot/dts/dra7.dtsi |    5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
>> index 260f300..3f434f7 100644
>> --- a/arch/arm/boot/dts/dra7.dtsi
>> +++ b/arch/arm/boot/dts/dra7.dtsi
>> @@ -291,6 +291,11 @@
>>  			reg = <0x4a002e00 0x7c>;
>>  		};
>>  
>> +		dra7_ctrl_pcie: tisyscon@...03c00 {
>> +			compatible = "syscon";
>> +			reg = <0x4a003c00 0x48>;
>> +		};
>> +
> 
> Why do you need to start from 0x4a003c00?
> CTRL_CORE_PCIESS1_PCS1 is at 0x4a003c24

Actually wanted to have minimum number of syscon dt nodes. So thought even
others can use dra7_ctrl_pcie phandle. But I looked only at dra7_ctrl_core and
dra7_ctrl_general and not scm_conf :-(

Thanks
Kishon
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