From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v2,1/1] dt-bindings: dmaengine: Add MediaTek Command-Queue DMA controller bindings From: Matthias Brugger Message-Id: <6fdcaf38-d7f6-973b-17a3-8ff996e372f1@gmail.com> Date: Thu, 14 Feb 2019 10:04:40 +0100 To: shun-chih.yu@mediatek.com, Sean Wang , Vinod Koul , Rob Herring , Dan Williams Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com List-ID: T24gMTQvMDIvMjAxOSAwODo1NCwgc2h1bi1jaGloLnl1QG1lZGlhdGVrLmNvbSB3cm90ZToKPiBG cm9tOiBTaHVuLUNoaWggWXUgPHNodW4tY2hpaC55dUBtZWRpYXRlay5jb20+Cj4gCj4gRG9jdW1l bnQgdGhlIGRldmljZXRyZWUgYmluZGluZ3MgZm9yIE1lZGlhVGVrIENvbW1hbmQtUXVldWUgRE1B IGNvbnRyb2xsZXIKPiB3aGljaCBjb3VsZCBiZSBmb3VuZCBvbiBNVDY3NjUgU29DIG9yIG90aGVy 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h1sm503712edc.97.2019.02.14.01.04.41 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 01:04:42 -0800 (PST) Subject: Re: [PATCH v2 1/1] dt-bindings: dmaengine: Add MediaTek Command-Queue DMA controller bindings To: shun-chih.yu@mediatek.com, Sean Wang , Vinod Koul , Rob Herring , Dan Williams Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com References: <1550130892-19488-1-git-send-email-shun-chih.yu@mediatek.com> <1550130892-19488-2-git-send-email-shun-chih.yu@mediatek.com> From: Matthias Brugger Openpgp: preference=signencrypt Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq 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<1550130892-19488-2-git-send-email-shun-chih.yu@mediatek.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/02/2019 08:54, shun-chih.yu@mediatek.com wrote: > From: Shun-Chih Yu > > Document the devicetree bindings for MediaTek Command-Queue DMA controller > which could be found on MT6765 SoC or other similar Mediatek SoCs. > > Signed-off-by: Shun-Chih Yu > Reviewed-by: Rob Herring > Acked-by: Sean Wang > --- Please don't send cover letters for single patches, just for series. If you want to add some information to a single patch, which should not show up in the commit message (e.g. change log) you can do that below the "---" Regards, Matthias > .../devicetree/bindings/dma/mtk-cqdma.txt | 31 ++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/mtk-cqdma.txt > > diff --git a/Documentation/devicetree/bindings/dma/mtk-cqdma.txt b/Documentation/devicetree/bindings/dma/mtk-cqdma.txt > new file mode 100644 > index 0000000..fb12927 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/mtk-cqdma.txt > @@ -0,0 +1,31 @@ > +MediaTek Command-Queue DMA Controller > +================================== > + > +Required properties: > + > +- compatible: Must be "mediatek,mt6765-cqdma" for MT6765. > +- reg: Should contain the base address and length for each channel. > +- interrupts: Should contain references to the interrupts for each channel. > +- clocks: Should be the clock specifiers corresponding to the entry in > + clock-names property. > +- clock-names: Should contain "cqdma" entries. > +- dma-channels: The number of DMA channels supported by the controller. > +- dma-requests: The number of DMA request supported by the controller. > +- #dma-cells: The length of the DMA specifier, must be <1>. This one cell > + in dmas property of a client device represents the channel > + number. > +Example: > + > + cqdma: dma-controller@10212000 { > + compatible = "mediatek,mt6765-cqdma"; > + reg = <0 0x10212000 0 0x1000>; > + interrupts = , > + ; > + clocks = <&infracfg CLK_IFR_CQ_DMA>; > + clock-names = "cqdma"; > + dma-channels = <2>; > + dma-requests = <32>; > + #dma-cells = <1>; > + }; > + > +DMA clients must use the format described in dma/dma.txt file. > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org 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h1sm503712edc.97.2019.02.14.01.04.41 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 01:04:42 -0800 (PST) Subject: Re: [PATCH v2 1/1] dt-bindings: dmaengine: Add MediaTek Command-Queue DMA controller bindings To: shun-chih.yu@mediatek.com, Sean Wang , Vinod Koul , Rob Herring , Dan Williams References: <1550130892-19488-1-git-send-email-shun-chih.yu@mediatek.com> <1550130892-19488-2-git-send-email-shun-chih.yu@mediatek.com> From: Matthias Brugger Openpgp: preference=signencrypt Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u 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X-CRM114-CacheID: sfid-20190214_010445_863497_4A56C60E X-CRM114-Status: GOOD ( 20.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com, linux-mediatek@lists.infradead.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 14/02/2019 08:54, shun-chih.yu@mediatek.com wrote: > From: Shun-Chih Yu > > Document the devicetree bindings for MediaTek Command-Queue DMA controller > which could be found on MT6765 SoC or other similar Mediatek SoCs. > > Signed-off-by: Shun-Chih Yu > Reviewed-by: Rob Herring > Acked-by: Sean Wang > --- Please don't send cover letters for single patches, just for series. If you want to add some information to a single patch, which should not show up in the commit message (e.g. change log) you can do that below the "---" Regards, Matthias > .../devicetree/bindings/dma/mtk-cqdma.txt | 31 ++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/mtk-cqdma.txt > > diff --git a/Documentation/devicetree/bindings/dma/mtk-cqdma.txt b/Documentation/devicetree/bindings/dma/mtk-cqdma.txt > new file mode 100644 > index 0000000..fb12927 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/mtk-cqdma.txt > @@ -0,0 +1,31 @@ > +MediaTek Command-Queue DMA Controller > +================================== > + > +Required properties: > + > +- compatible: Must be "mediatek,mt6765-cqdma" for MT6765. > +- reg: Should contain the base address and length for each channel. > +- interrupts: Should contain references to the interrupts for each channel. > +- clocks: Should be the clock specifiers corresponding to the entry in > + clock-names property. > +- clock-names: Should contain "cqdma" entries. > +- dma-channels: The number of DMA channels supported by the controller. > +- dma-requests: The number of DMA request supported by the controller. > +- #dma-cells: The length of the DMA specifier, must be <1>. This one cell > + in dmas property of a client device represents the channel > + number. > +Example: > + > + cqdma: dma-controller@10212000 { > + compatible = "mediatek,mt6765-cqdma"; > + reg = <0 0x10212000 0 0x1000>; > + interrupts = , > + ; > + clocks = <&infracfg CLK_IFR_CQ_DMA>; > + clock-names = "cqdma"; > + dma-channels = <2>; > + dma-requests = <32>; > + #dma-cells = <1>; > + }; > + > +DMA clients must use the format described in dma/dma.txt file. > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel