linux-kernel - Re: [[PATCHv2] 2/3] ARM: dts: vfxxx: Add SNVS node

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Date:	Wed, 12 Nov 2014 14:16:00 +0530
From:	Sanchayan Maity <maitysanchayan@...il.com>
To:	Stefan Agner <stefan@...er.ch>
CC:	rtc-linux@...glegroups.com, shawn.guo@...aro.org,
	linux@....linux.org.uk, kernel@...gutronix.de,
	b35083@...escale.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [[PATCHv2] 2/3] ARM: dts: vfxxx: Add SNVS node

Hello,

On Wednesday 12 November 2014 02:50 AM, Stefan Agner wrote:
> On 2014-11-07 14:04, Sanchayan Maity wrote:
>> This patch adds a devicetree node for the Secure
>> Non-Volatile Storage (SNVS) on the VF610 platform.
>> The SNVS block also has a Real Time Counter (RTC).
>>
>> Signed-off-by: Sanchayan Maity <maitysanchayan@...il.com>
>> ---
>>  arch/arm/boot/dts/vfxxx.dtsi |   15 +++++++++++++++
>>  1 file changed, 15 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
>> index 4e70833..bc131b0 100644
>> --- a/arch/arm/boot/dts/vfxxx.dtsi
>> +++ b/arch/arm/boot/dts/vfxxx.dtsi
>> @@ -338,6 +338,21 @@
>>  				status = "disabled";
>>  			};
>>  
>> +			snvs0: snvs@...a7000 {
>> +				compatible = "fsl,sec-v4.0-mon", "simple-bus";
>> +				#address-cells = <1>;
>> +				#size-cells = <1>;
>> +				ranges = <0 0x400a7000 0x2000>;
>> +
>> +				snvs-rtc-lp@34 {
>> +					compatible = "fsl,sec-v4.0-mon-rtc-lp";
>> +					reg = <0x34 0x58>;
>> +					interrupts = <0 100 IRQ_TYPE_LEVEL_HIGH>;
> 
> With the new device tree structure, the interrupt field needs to be part
> of the vf500.dtsi now. The vfxxx.dtsi will be the parent also for the
> Cortex-M4 device tree, which uses a different interrupt controller.
> 
> While at it, use the GIC_SPI macro for the first cell (so this will be
> blend into the other interrupt definitions).

OK. Will fix this and send out a v3. My bad I missed the M4 changes.

> 
>> +					clocks = <&clks VF610_CLK_SNVS>;
>> +					clock-names = "snvs-rtc";
>> +				};
>> +			};
>> +
>>  			uart4: serial@...a9000 {
>>  				compatible = "fsl,vf610-lpuart";
>>  				reg = <0x400a9000 0x1000>;
> 

Regards,
Sanchayan.
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