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Sun, 31 Jan 2021 02:24:04 -0800 (PST) Subject: Re: [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA To: Fabien Parent , Rob Herring References: <20201209114736.70625-1-fparent@baylibre.com> <20201209114736.70625-2-fparent@baylibre.com> From: Matthias Brugger Message-ID: <80b768e1-9e46-88d7-a56b-c90a46bd3a10@gmail.com> Date: Sun, 31 Jan 2021 11:24:03 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <20201209114736.70625-2-fparent@baylibre.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210131_052406_714095_4790183A X-CRM114-Status: GOOD ( 17.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 09/12/2020 12:47, Fabien Parent wrote: > Add support the APDMA IP on MT8516. APDMA is a DMA controller > for UARTs. > > Signed-off-by: Fabien Parent > --- > Applied to v5.11-next/dts64 Thanks a lot! > V3: remove unicode symbol that slips into patch summary > V2: Add missing dma-names properties on uart nodes > > arch/arm64/boot/dts/mediatek/mt8516.dtsi | 30 ++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8516.dtsi b/arch/arm64/boot/dts/mediatek/mt8516.dtsi > index e6e4d9d60094..b80e95574bef 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8516.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8516.dtsi > @@ -276,6 +276,27 @@ gic: interrupt-controller@10310000 { > (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; > }; > > + apdma: dma-controller@11000480 { > + compatible = "mediatek,mt8516-uart-dma", > + "mediatek,mt6577-uart-dma"; > + reg = <0 0x11000480 0 0x80>, > + <0 0x11000500 0 0x80>, > + <0 0x11000580 0 0x80>, > + <0 0x11000600 0 0x80>, > + <0 0x11000980 0 0x80>, > + <0 0x11000a00 0 0x80>; > + interrupts = , > + , > + , > + , > + , > + ; > + dma-requests = <6>; > + clocks = <&topckgen CLK_TOP_APDMA>; > + clock-names = "apdma"; > + #dma-cells = <1>; > + }; > + > uart0: serial@11005000 { > compatible = "mediatek,mt8516-uart", > "mediatek,mt6577-uart"; > @@ -284,6 +305,9 @@ uart0: serial@11005000 { > clocks = <&topckgen CLK_TOP_UART0_SEL>, > <&topckgen CLK_TOP_UART0>; > clock-names = "baud", "bus"; > + dmas = <&apdma 0 > + &apdma 1>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -295,6 +319,9 @@ uart1: serial@11006000 { > clocks = <&topckgen CLK_TOP_UART1_SEL>, > <&topckgen CLK_TOP_UART1>; > clock-names = "baud", "bus"; > + dmas = <&apdma 2 > + &apdma 3>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -306,6 +333,9 @@ uart2: serial@11007000 { > clocks = <&topckgen CLK_TOP_UART2_SEL>, > <&topckgen CLK_TOP_UART2>; > clock-names = "baud", "bus"; > + dmas = <&apdma 4 > + &apdma 5>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel