linux-kernel - [PATCH v5 3/3] riscv: dts: starfive: add dma controller node

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Date:   Tue, 14 Mar 2023 16:35:37 +0800
From:   Walker Chen <walker.chen@...rfivetech.com>
To:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        "Emil Renner Berthing" <emil.renner.berthing@...onical.com>,
        Walker Chen <walker.chen@...rfivetech.com>
CC:     <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: [PATCH v5 3/3] riscv: dts: starfive: add dma controller node

Add the dma controller node for the Starfive JH7110 SoC.

Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
---
 arch/riscv/boot/dts/starfive/jh7110.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 17220576b21c..b503b6137743 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -510,6 +510,24 @@
 			#gpio-cells = <2>;
 		};
 
+		dma: dma-controller@...50000 {
+			compatible = "starfive,jh7110-axi-dma";
+			reg = <0x0 0x16050000 0x0 0x10000>;
+			clocks = <&stgcrg JH7110_STGCLK_DMA1P_AXI>,
+				 <&stgcrg JH7110_STGCLK_DMA1P_AHB>;
+			clock-names = "core-clk", "cfgr-clk";
+			resets = <&stgcrg JH7110_STGRST_DMA1P_AXI>,
+				 <&stgcrg JH7110_STGRST_DMA1P_AHB>;
+			interrupts = <73>;
+			#dma-cells = <1>;
+			dma-channels = <4>;
+			snps,dma-masters = <1>;
+			snps,data-width = <3>;
+			snps,block-size = <65536 65536 65536 65536>;
+			snps,priority = <0 1 2 3>;
+			snps,axi-max-burst-len = <16>;
+		};
+
 		aoncrg: clock-controller@...00000 {
 			compatible = "starfive,jh7110-aoncrg";
 			reg = <0x0 0x17000000 0x0 0x10000>;
-- 
2.17.1