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by smtp.gmail.com with ESMTPSA id x53sm550593edx.91.2019.02.14.02.13.10 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 02:13:11 -0800 (PST) Subject: Re: [PATCH v10 3/3] dt-bindings: dma: uart: rename binding To: Long Cheng , Vinod Koul , Randy Dunlap , Rob Herring , Mark Rutland , Ryder Lee , Sean Wang , Nicolas Boichat Cc: Dan Williams , Greg Kroah-Hartman , Jiri Slaby , Sean Wang , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, srv_heupstream@mediatek.com, Yingjoe Chen , YT Shen , Zhenbao Liu References: <1547781016-890-1-git-send-email-long.cheng@mediatek.com> <1547781016-890-4-git-send-email-long.cheng@mediatek.com> From: Matthias Brugger Openpgp: preference=signencrypt Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY 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rv:60.0) Gecko/20100101 Thunderbird/60.3.3 MIME-Version: 1.0 In-Reply-To: <1547781016-890-4-git-send-email-long.cheng@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 18/01/2019 04:10, Long Cheng wrote: > The filename matches mtk-uart-apdma.c. > So using "mtk-uart-apdma.txt" should be better. > > Signed-off-by: Long Cheng > --- > .../devicetree/bindings/dma/8250_mtk_dma.txt | 33 -------------------- > .../devicetree/bindings/dma/mtk-uart-apdma.txt | 33 ++++++++++++++++++++ > 2 files changed, 33 insertions(+), 33 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/dma/8250_mtk_dma.txt > create mode 100644 Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt > > diff --git a/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt b/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt > deleted file mode 100644 > index 3fe0961..0000000 > --- a/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt > +++ /dev/null > @@ -1,33 +0,0 @@ > -* Mediatek UART APDMA Controller > - > -Required properties: > -- compatible should contain: > - * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA > - * "mediatek,mt6577-uart-dma" for MT6577 and all of the above > - > -- reg: The base address of the APDMA register bank.> - > -- interrupts: A single interrupt specifier. One interrupt per dma-request, or 8 if no dma-requests property is present. > - > -- clocks : Must contain an entry for each entry in clock-names. > - See ../clocks/clock-bindings.txt for details. > -- clock-names: The APDMA clock for register accesses> - > -Examples: > - > - apdma: dma-controller@11000380 { > - compatible = "mediatek,mt2712-uart-dma"; > - reg = <0 0x11000380 0 0x400>; > - interrupts = , > - , > - , > - , > - , > - , > - , > - ; > - clocks = <&pericfg CLK_PERI_AP_DMA>; > - clock-names = "apdma"; > - #dma-cells = <1>; > - }; > - > diff --git a/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt > new file mode 100644 > index 0000000..3fe0961 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt > @@ -0,0 +1,33 @@ > +* Mediatek UART APDMA Controller > + > +Required properties: > +- compatible should contain: > + * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA > + * "mediatek,mt6577-uart-dma" for MT6577 and all of the above > + > +- reg: The base address of the APDMA register bank. > + There is one address needed for every dma-request or 8 if dma-requests property is not present. As already mentioned in the driver review dma-requests property is missing. > +- interrupts: A single interrupt specifier. > + > +- clocks : Must contain an entry for each entry in clock-names. > + See ../clocks/clock-bindings.txt for details. > +- clock-names: The APDMA clock for register accesses > + Missing option property dma-33bits (should be mtk,dma-33bits?). > +Examples: > + > + apdma: dma-controller@11000380 { > + compatible = "mediatek,mt2712-uart-dma"; > + reg = <0 0x11000380 0 0x400>; We are missing the io mem areas here, right? Regards, Matthias > + interrupts = , > + , > + , > + , > + , > + , > + , > + ; > + clocks = <&pericfg CLK_PERI_AP_DMA>; > + clock-names = "apdma"; > + #dma-cells = <1>; > + }; > + >