linux-kernel - [RFC v2 2/4] riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00

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Message-Id: <20191014075502.15105-3-green.wan@sifive.com>
Date:   Mon, 14 Oct 2019 15:54:25 +0800
From:   Green Wan <green.wan@...ive.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linux-hackers@...ive.com, Green Wan <green.wan@...ive.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Dan Williams <dan.j.williams@...el.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Bin Meng <bmeng.cn@...il.com>,
        Yash Shah <yash.shah@...ive.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [RFC v2 2/4] riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00

Add PDMA support to (arch/riscv/boot/dts/sifive/fu540-c000.dtsi)

Signed-off-by: Green Wan <green.wan@...ive.com>
---
 arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
index afa43c7ea369..70a1891e7cd0 100644
--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
@@ -162,6 +162,13 @@
 			clocks = <&prci PRCI_CLK_TLCLK>;
 			status = "disabled";
 		};
+		dma: dma@...0000 {
+			compatible = "sifive,fu540-c000-pdma";
+			reg = <0x0 0x3000000 0x0 0x8000>;
+			interrupt-parent = <&plic0>;
+			interrupts = <23 24 25 26 27 28 29 30>;
+			#dma-cells = <1>;
+		};
 		uart1: serial@...11000 {
 			compatible = "sifive,fu540-c000-uart", "sifive,uart0";
 			reg = <0x0 0x10011000 0x0 0x1000>;
-- 
2.17.1