linux-kernel - RE: [v11 6/7] arm64: dts: ls1046a: add qdma device tree nodes

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Date:   Thu, 6 Dec 2018 11:04:10 +0000
From:   Peng Ma <peng.ma@....com>
To:     Shawn Guo <shawnguo@...nel.org>
CC:     "vkoul@...nel.org" <vkoul@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        Leo Li <leoyang.li@....com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "zw@...kernel.org" <zw@...kernel.org>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        Wen He <wen.he_1@....com>
Subject: RE: [v11 6/7] arm64: dts: ls1046a: add qdma device tree nodes

Hi Shawn,

	Thanks for your review , I have used GIC_SPI and IRQ_TYPE_xxx to my dtsi, please check and review.

Best Regard,
	Peng

>-----Original Message-----
>From: Shawn Guo <shawnguo@...nel.org>
>Sent: 2018年12月6日 9:06
>To: Peng Ma <peng.ma@....com>
>Cc: vkoul@...nel.org; robh+dt@...nel.org; mark.rutland@....com; Leo Li
><leoyang.li@....com>; dan.j.williams@...el.com; zw@...kernel.org;
>dmaengine@...r.kernel.org; devicetree@...r.kernel.org;
>linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
>linuxppc-dev@...ts.ozlabs.org; Wen He <wen.he_1@....com>
>Subject: Re: [v11 6/7] arm64: dts: ls1046a: add qdma device tree nodes
>
>On Tue, Oct 30, 2018 at 10:36:03AM +0800, Peng Ma wrote:
>> add the qDMA device tree nodes for LS1046A devices.
>>
>> Signed-off-by: Wen He <wen.he_1@....com>
>> Signed-off-by: Peng Ma <peng.ma@....com>
>> ---
>> change in v11:
>> 	- no
>>
>>  arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi |   21
>+++++++++++++++++++++
>>  1 files changed, 21 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
>b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
>> index ef83786..dc65318 100644
>> --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
>> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
>> @@ -704,6 +704,27 @@
>>  					<0000 0 0 4 &gic GIC_SPI 154
>IRQ_TYPE_LEVEL_HIGH>;
>>  		};
>>
>> +		qdma: dma-controller@...0000 {
>> +			compatible = "fsl,ls1046a-qdma", "fsl,ls1021a-qdma";
>> +			reg = <0x0 0x8380000 0x0 0x1000>, /* Controller regs */
>> +			      <0x0 0x8390000 0x0 0x10000>, /* Status regs */
>> +			      <0x0 0x83a0000 0x0 0x40000>; /* Block regs */
>> +			interrupts = <0 153 0x4>,
>> +				     <0 39 0x4>,
>> +				     <0 40 0x4>,
>> +				     <0 41 0x4>,
>> +				     <0 42 0x4>;
>
>Use GIC_SPI and IRQ_TYPE_xxx defines.
>
>Shawn
>
>> +			interrupt-names = "qdma-error", "qdma-queue0",
>> +				"qdma-queue1", "qdma-queue2", "qdma-queue3";
>> +			dma-channels = <8>;
>> +			block-number = <1>;
>> +			block-offset = <0x10000>;
>> +			fsl,dma-queues = <2>;
>> +			status-sizes = <64>;
>> +			queue-sizes = <64 64>;
>> +			big-endian;
>> +		};
>> +
>>  	};
>>
>>  	reserved-memory {
>> --
>> 1.7.1
>>