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Date: Wed, 3 Jul 2013 11:53:20 +0800
From: Hongbo Zhang <hongbo.zhang@...escale.com>
To: <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
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
>
> 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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