Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756817Ab3GONfo (ORCPT ); Mon, 15 Jul 2013 09:35:44 -0400 Received: from gate.crashing.org ([63.228.1.57]:34612 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756323Ab3GONfn convert rfc822-to-8bit (ORCPT ); Mon, 15 Jul 2013 09:35:43 -0400 Subject: Re: [PATCH V2 1/2] DMA: Freescale: Add new 8-channel DMA engine device tree nodes Mime-Version: 1.0 (Apple Message framework v1278) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: <1373005626-20726-2-git-send-email-hongbo.zhang@freescale.com> Date: Mon, 15 Jul 2013 08:35:07 -0500 Cc: , , , , , , , Content-Transfer-Encoding: 8BIT Message-Id: <6482CAC0-9C6A-4A1E-B158-28D2E1BB2CCE@kernel.crashing.org> References: <1373005626-20726-1-git-send-email-hongbo.zhang@freescale.com> <1373005626-20726-2-git-send-email-hongbo.zhang@freescale.com> To: "" X-Mailer: Apple Mail (2.1278) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9030 Lines: 243 On Jul 5, 2013, at 1:27 AM, wrote: > From: Hongbo Zhang > > 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 > --- > arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi | 90 +++++++++++++++++++++++++++ > arch/powerpc/boot/dts/fsl/elo3-dma-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/elo3-dma-0.dtsi > create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi > > diff --git a/arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi b/arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi > new file mode 100644 > index 0000000..50cd911 > --- /dev/null > +++ b/arch/powerpc/boot/dts/fsl/elo3-dma-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@100300 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "fsl,elo3-dma"; why does this require a new compatible? > + 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/elo3-dma-1.dtsi b/arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi > new file mode 100644 > index 0000000..c1aec68 > --- /dev/null > +++ b/arch/powerpc/boot/dts/fsl/elo3-dma-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@101300 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "fsl,elo3-dma"; > + 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..ec95c60 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/ "elo3-dma-0.dtsi" > +/include/ "elo3-dma-1.dtsi" > > /include/ "qoriq-espi-0.dtsi" > spi@110000 { > -- > 1.7.9.5 > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/