linux-kernel - Re: [PATCH v2 14/14] ARM: dts: AM43x: initial support

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Date:	Wed, 29 May 2013 10:57:18 +0200
From:	Florian Vaussard <florian.vaussard@...l.ch>
To:	Benoit Cousson <b-cousson@...com>
CC:	Afzal Mohammed <afzal@...com>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	Rob Herring <rob.herring@...xeda.com>,
	Ankur Kishore <a-kishore@...com>,
	Grant Likely <grant.likely@...aro.org>,
	Benoit Cousson <benoit.cousson@...aro.org>
Subject: Re: [PATCH v2 14/14] ARM: dts: AM43x: initial support

Hello,

On 05/29/2013 10:53 AM, Benoit Cousson wrote:
> + Florian
>
> Hi Afzal,
>
> On 05/27/2013 04:37 PM, Afzal Mohammed wrote:
>> DT source (minimal) for AM4372 SoC to represent AM43x SoC's. Those
>> represented here are the minimal DT nodes necessary to get kernel
>> booting.
>>
>> In DT nodes, "ti,hwmod" property has not been added, this would be
>> added along with PRCM support for AM43x.
>>
>> Signed-off-by: Ankur Kishore <a-kishore@...com>
>> Signed-off-by: Afzal Mohammed <afzal@...com>
>> ---
>>
>> v2: Add gptimer 1ms, timer2, synctimer and remove twd local timer
>>
>>   arch/arm/boot/dts/am4372.dtsi | 66 +++++++++++++++++++++++++++++++++++++++++++
>>   1 file changed, 66 insertions(+)
>>   create mode 100644 arch/arm/boot/dts/am4372.dtsi
>>
>> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
>> new file mode 100644
>> index 0000000..1d58298
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/am4372.dtsi
>> @@ -0,0 +1,66 @@
>> +/*
>> + * Device Tree Source for AM4372 SoC
>> + *
>> + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
>> + *
>> + * This file is licensed under the terms of the GNU General Public License
>> + * version 2.  This program is licensed "as is" without any warranty of any
>> + * kind, whether express or implied.
>> + */
>> +
>> +/include/ "skeleton.dtsi"
>
> You can now use the C preprocessor statement instead of this one.
> Florian already started doing the change [1].
>
> Beside that detail, that patch looks good to me.
> I'll pull it separately of the series.
>

If you pull the patch in your branch, I can take care of the changes 
when I rebase
my series. This will allow me to clean the 'interrupts' statements below 
as well.

Regards,

Florian

> Regards,
> Benoit
>
> [1] http://thread.gmane.org/gmane.linux.ports.arm.omap/98320
>
>> +
>> +/ {
>> +	compatible = "ti,am4372", "ti,am43";
>> +	interrupt-parent = <&gic>;
>> +
>> +
>> +	aliases {
>> +		serial0 = &uart1;
>> +	};
>> +
>> +	cpus {
>> +		cpu@0 {
>> +			compatible = "arm,cortex-a9";
>> +		};
>> +	};
>> +
>> +	gic: interrupt-controller@...41000 {
>> +		compatible = "arm,cortex-a9-gic";
>> +		interrupt-controller;
>> +		#interrupt-cells = <3>;
>> +		reg = <0x48241000 0x1000>,
>> +		      <0x48240100 0x0100>;
>> +	};
>> +
>> +	ocp {
>> +		compatible = "simple-bus";
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		ranges;
>> +
>> +		uart1: serial@...09000 {
>> +			compatible = "ti,am4372-uart","ti,omap2-uart";
>> +			reg = <0x44e09000 0x2000>;
>> +			interrupts = <0 72 0x4>;
>> +		};
>> +
>> +		timer1: timer@...31000 {
>> +			compatible = "ti,am4372-timer-1ms","ti,am335x-timer-1ms";
>> +			reg = <0x44e31000 0x400>;
>> +			interrupts = <0 67 0x4>;
>> +			ti,timer-alwon;
>> +		};
>> +
>> +		timer2: timer@...40000  {
>> +			compatible = "ti,am4372-timer","ti,am335x-timer";
>> +			reg = <0x48040000  0x400>;
>> +			interrupts = <0 68 0x4>;
>> +		};
>> +
>> +		counter32k: counter@...86000 {
>> +			compatible = "ti,am4372-counter32k","ti,omap-counter32k";
>> +			reg = <0x44e86000 0x40>;
>> +		};
>> +	};
>> +};
>>
>
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