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Date: Wed, 3 Jul 2013 15:48:59 +0800
From: Hongbo Zhang <hongbo.zhang@...escale.com>
To: Hongbo Zhang <hongbo.zhang@...escale.com>
CC: <vinod.koul@...el.com>, <djbw@...com>, <scottwood@...escale.com>,
<vakul@...escale.com>, <leoLi@...escale.com>,
<linux-kernel@...r.kernel.org>,
<devicetree-discuss@...ts.ozlabs.org>,
<linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH 1/2] DMA: Freescale: Add new 8-channel DMA engine device
tree nodes
On 07/03/2013 11:53 AM, Hongbo Zhang wrote:
> hmm...add the devicetree-discuss@...ts.ozlabs.org into list.
>
> Note that we are discussing a better naming for this new compatible
> property in the corresponding [PATCH 2/2], so I will resend a v2 of
> this patch.
>
>
> On 07/01/2013 11:46 AM, hongbo.zhang@...escale.com wrote:
>> From: Hongbo Zhang <hongbo.zhang@...escale.com>
>>
>> Freescale QorIQ T4 and B4 introduce new 8-channel DMA engines, this
>> patch add
>> the device tree nodes for them.
>>
>> Signed-off-by: Hongbo Zhang <hongbo.zhang@...escale.com>
>> ---
>> arch/powerpc/boot/dts/fsl/qoriq-dma2-0.dtsi | 90
>> +++++++++++++++++++++++++++
>> arch/powerpc/boot/dts/fsl/qoriq-dma2-1.dtsi | 90
>> +++++++++++++++++++++++++++
>> arch/powerpc/boot/dts/fsl/t4240si-post.dtsi | 4 +-
>> 3 files changed, 182 insertions(+), 2 deletions(-)
>> create mode 100644 arch/powerpc/boot/dts/fsl/qoriq-dma2-0.dtsi
>> create mode 100644 arch/powerpc/boot/dts/fsl/qoriq-dma2-1.dtsi
Scott, any comment of these two file names?
>>
>> diff --git a/arch/powerpc/boot/dts/fsl/qoriq-dma2-0.dtsi
>> b/arch/powerpc/boot/dts/fsl/qoriq-dma2-0.dtsi
>> new file mode 100644
>> index 0000000..c626c49
>> --- /dev/null
>> +++ b/arch/powerpc/boot/dts/fsl/qoriq-dma2-0.dtsi
>> @@ -0,0 +1,90 @@
>> +/*
>> + * QorIQ DMA device tree stub [ controller @ offset 0x100000 ]
>> + *
>> + * Copyright 2011-2013 Freescale Semiconductor Inc.
>> + *
>> + * Redistribution and use in source and binary forms, with or without
>> + * modification, are permitted provided that the following
>> conditions are met:
>> + * * Redistributions of source code must retain the above copyright
>> + * notice, this list of conditions and the following disclaimer.
>> + * * Redistributions in binary form must reproduce the above
>> copyright
>> + * notice, this list of conditions and the following
>> disclaimer in the
>> + * documentation and/or other materials provided with the
>> distribution.
>> + * * Neither the name of Freescale Semiconductor nor the
>> + * names of its contributors may be used to endorse or promote
>> products
>> + * derived from this software without specific prior written
>> permission.
>> + *
>> + *
>> + * ALTERNATIVELY, this software may be distributed under the terms
>> of the
>> + * GNU General Public License ("GPL") as published by the Free Software
>> + * Foundation, either version 2 of that License or (at your option) any
>> + * later version.
>> + *
>> + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS''
>> AND ANY
>> + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>> IMPLIED
>> + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>> PURPOSE ARE
>> + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE
>> FOR ANY
>> + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>> CONSEQUENTIAL DAMAGES
>> + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
>> OR SERVICES;
>> + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
>> CAUSED AND
>> + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
>> LIABILITY, OR TORT
>> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
>> USE OF THIS
>> + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>> + */
>> +
>> +dma0: dma@...300 {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + compatible = "fsl,eloplus-dma2";
>> + reg = <0x100300 0x4 0x100600 0x4>;
>> + ranges = <0x0 0x100100 0x500>;
>> + cell-index = <0>;
>> + dma-channel@0 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x0 0x80>;
>> + cell-index = <0>;
>> + interrupts = <28 2 0 0>;
>> + };
>> + dma-channel@80 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x80 0x80>;
>> + cell-index = <1>;
>> + interrupts = <29 2 0 0>;
>> + };
>> + dma-channel@100 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x100 0x80>;
>> + cell-index = <2>;
>> + interrupts = <30 2 0 0>;
>> + };
>> + dma-channel@180 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x180 0x80>;
>> + cell-index = <3>;
>> + interrupts = <31 2 0 0>;
>> + };
>> + dma-channel@300 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x300 0x80>;
>> + cell-index = <4>;
>> + interrupts = <76 2 0 0>;
>> + };
>> + dma-channel@380 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x380 0x80>;
>> + cell-index = <5>;
>> + interrupts = <77 2 0 0>;
>> + };
>> + dma-channel@400 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x400 0x80>;
>> + cell-index = <6>;
>> + interrupts = <78 2 0 0>;
>> + };
>> + dma-channel@480 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x480 0x80>;
>> + cell-index = <7>;
>> + interrupts = <79 2 0 0>;
>> + };
>> +};
>> diff --git a/arch/powerpc/boot/dts/fsl/qoriq-dma2-1.dtsi
>> b/arch/powerpc/boot/dts/fsl/qoriq-dma2-1.dtsi
>> new file mode 100644
>> index 0000000..980ea77
>> --- /dev/null
>> +++ b/arch/powerpc/boot/dts/fsl/qoriq-dma2-1.dtsi
>> @@ -0,0 +1,90 @@
>> +/*
>> + * QorIQ DMA device tree stub [ controller @ offset 0x101000 ]
>> + *
>> + * Copyright 2011-2013 Freescale Semiconductor Inc.
>> + *
>> + * Redistribution and use in source and binary forms, with or without
>> + * modification, are permitted provided that the following
>> conditions are met:
>> + * * Redistributions of source code must retain the above copyright
>> + * notice, this list of conditions and the following disclaimer.
>> + * * Redistributions in binary form must reproduce the above
>> copyright
>> + * notice, this list of conditions and the following
>> disclaimer in the
>> + * documentation and/or other materials provided with the
>> distribution.
>> + * * Neither the name of Freescale Semiconductor nor the
>> + * names of its contributors may be used to endorse or promote
>> products
>> + * derived from this software without specific prior written
>> permission.
>> + *
>> + *
>> + * ALTERNATIVELY, this software may be distributed under the terms
>> of the
>> + * GNU General Public License ("GPL") as published by the Free Software
>> + * Foundation, either version 2 of that License or (at your option) any
>> + * later version.
>> + *
>> + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS''
>> AND ANY
>> + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>> IMPLIED
>> + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>> PURPOSE ARE
>> + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE
>> FOR ANY
>> + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>> CONSEQUENTIAL DAMAGES
>> + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
>> OR SERVICES;
>> + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
>> CAUSED AND
>> + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
>> LIABILITY, OR TORT
>> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
>> USE OF THIS
>> + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>> + */
>> +
>> +dma1: dma@...300 {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + compatible = "fsl,eloplus-dma2";
>> + reg = <0x101300 0x4 0x101600 0x4>;
>> + ranges = <0x0 0x101100 0x500>;
>> + cell-index = <1>;
>> + dma-channel@0 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x0 0x80>;
>> + cell-index = <0>;
>> + interrupts = <32 2 0 0>;
>> + };
>> + dma-channel@80 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x80 0x80>;
>> + cell-index = <1>;
>> + interrupts = <33 2 0 0>;
>> + };
>> + dma-channel@100 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x100 0x80>;
>> + cell-index = <2>;
>> + interrupts = <34 2 0 0>;
>> + };
>> + dma-channel@180 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x180 0x80>;
>> + cell-index = <3>;
>> + interrupts = <35 2 0 0>;
>> + };
>> + dma-channel@300 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x300 0x80>;
>> + cell-index = <4>;
>> + interrupts = <80 2 0 0>;
>> + };
>> + dma-channel@380 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x380 0x80>;
>> + cell-index = <5>;
>> + interrupts = <81 2 0 0>;
>> + };
>> + dma-channel@400 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x400 0x80>;
>> + cell-index = <6>;
>> + interrupts = <82 2 0 0>;
>> + };
>> + dma-channel@480 {
>> + compatible = "fsl,eloplus-dma-channel";
>> + reg = <0x480 0x80>;
>> + cell-index = <7>;
>> + interrupts = <83 2 0 0>;
>> + };
>> +};
>> diff --git a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
>> b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
>> index bd611a9..7d8bac6 100644
>> --- a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
>> +++ b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
>> @@ -387,8 +387,8 @@
>> reg = <0xea000 0x4000>;
>> };
>> -/include/ "qoriq-dma-0.dtsi"
>> -/include/ "qoriq-dma-1.dtsi"
>> +/include/ "qoriq-dma2-0.dtsi"
>> +/include/ "qoriq-dma2-1.dtsi"
>> /include/ "qoriq-espi-0.dtsi"
>> spi@...000 {
>
>
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