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Sat, 27 Apr 2019 11:36:42 +0800 From: Long Cheng To: Vinod Koul , Randy Dunlap , "Rob Herring" , Mark Rutland , Ryder Lee , Sean Wang , Nicolas Boichat , Matthias Brugger Subject: [PATCH 2/4] arm: dts: mt2712: add uart APDMA to device tree Date: Sat, 27 Apr 2019 11:36:31 +0800 Message-ID: <1556336193-15198-3-git-send-email-long.cheng@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1556336193-15198-1-git-send-email-long.cheng@mediatek.com> References: <1556336193-15198-1-git-send-email-long.cheng@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190426_203652_058064_A255AA47 X-CRM114-Status: GOOD ( 10.18 ) 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: Zhenbao Liu , devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Greg Kroah-Hartman , Sean Wang , linux-kernel@vger.kernel.org, YT Shen , Long Cheng , linux-mediatek@lists.infradead.org, linux-serial@vger.kernel.org, Jiri Slaby , dmaengine@vger.kernel.org, Yingjoe Chen , Dan Williams , 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 1. add uart APDMA controller device node 2. add uart 0/1/2/3/4/5 DMA function Signed-off-by: Long Cheng --- arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 51 +++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi index 976d92a..f1e419e 100644 --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi @@ -300,6 +300,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 10 + &apdma 11>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -369,6 +372,39 @@ (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_HIGH)>; }; + apdma: dma-controller@11000400 { + compatible = "mediatek,mt2712-uart-dma", + "mediatek,mt6577-uart-dma"; + reg = <0 0x11000400 0 0x80>, + <0 0x11000480 0 0x80>, + <0 0x11000500 0 0x80>, + <0 0x11000580 0 0x80>, + <0 0x11000600 0 0x80>, + <0 0x11000680 0 0x80>, + <0 0x11000700 0 0x80>, + <0 0x11000780 0 0x80>, + <0 0x11000800 0 0x80>, + <0 0x11000880 0 0x80>, + <0 0x11000900 0 0x80>, + <0 0x11000980 0 0x80>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + ; + dma-requests = <12>; + clocks = <&pericfg CLK_PERI_AP_DMA>; + clock-names = "apdma"; + #dma-cells = <1>; + }; + auxadc: adc@11001000 { compatible = "mediatek,mt2712-auxadc"; reg = <0 0x11001000 0 0x1000>; @@ -385,6 +421,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 0 + &apdma 1>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -395,6 +434,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 2 + &apdma 3>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -405,6 +447,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 4 + &apdma 5>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -415,6 +460,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 6 + &apdma 7>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -629,6 +677,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 8 + &apdma 9>; + dma-names = "tx", "rx"; status = "disabled"; }; -- 1.7.9.5 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel