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Mon, 29 Aug 2022 22:08:28 -0400 (EDT) From: Samuel Holland To: Chen-Yu Tsai , Jernej Skrabec Cc: Samuel Holland , Gregory CLEMENT , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, Yangtao Li Subject: [PATCH 2/3] arm64: dts: allwinner: a100: Add device node for DMA controller Date: Mon, 29 Aug 2022 21:08:23 -0500 Message-Id: <20220830020824.62288-3-samuel@sholland.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220830020824.62288-1-samuel@sholland.org> References: <20220830020824.62288-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220829_190833_865525_4B7D8AEA X-CRM114-Status: GOOD ( 10.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 From: Yangtao Li The A100 SoC has a DMA controller that supports 8 DMA channels to and from various peripherals. Add a device node for it. Signed-off-by: Yangtao Li Signed-off-by: Samuel Holland --- Changes in v1: - From previous submission: fixed off-by-one in dma-requests property arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index 548539c93ab0..5453a3bb7d81 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -101,6 +101,18 @@ ccu: clock@3001000 { #reset-cells = <1>; }; + dma: dma-controller@3002000 { + compatible = "allwinner,sun50i-a100-dma"; + reg = <0x03002000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>; + clock-names = "bus", "mbus"; + resets = <&ccu RST_BUS_DMA>; + dma-channels = <8>; + dma-requests = <52>; + #dma-cells = <1>; + }; + gic: interrupt-controller@3021000 { compatible = "arm,gic-400"; reg = <0x03021000 0x1000>, <0x03022000 0x2000>, -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel