linux-kernel - [PATCH v5 17/18] MIPS: JZ4770: DTS: Add DMA nodes

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Message-Id: <20180829213300.22829-18-paul@crapouillou.net>
Date:   Wed, 29 Aug 2018 23:32:59 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Vinod Koul <vkoul@...nel.org>, Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>
Cc:     od@...c.me, dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v5 17/18] MIPS: JZ4770: DTS: Add DMA nodes

Add the two devicetree nodes for the two DMA cores of the JZ4770 SoC,
disabled by default, as currently there are no clients for the DMA
driver (until the MMC driver and/or others get a devicetree node).

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Tested-by: Mathieu Malaterre <malat@...ian.org>
Acked-by: Paul Burton <paul.burton@...s.com>
---

Notes:
     v2: No change
    
     v3: Modify nodes to comply with devicetree specification
    
     v4: No change
    
     v5: No change

 arch/mips/boot/dts/ingenic/jz4770.dtsi | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi
index 7c2804f3f5f1..49ede6c14ff3 100644
--- a/arch/mips/boot/dts/ingenic/jz4770.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi
@@ -196,6 +196,36 @@
 		status = "disabled";
 	};
 
+	dmac0: dma-controller@...20000 {
+		compatible = "ingenic,jz4770-dma";
+		reg = <0x13420000 0xC0
+		       0x13420300 0x20>;
+
+		#dma-cells = <1>;
+
+		clocks = <&cgu JZ4770_CLK_DMA>;
+		interrupt-parent = <&intc>;
+		interrupts = <24>;
+
+		/* Disable dmac0 until we have something that uses it */
+		status = "disabled";
+	};
+
+	dmac1: dma-controller@...20100 {
+		compatible = "ingenic,jz4770-dma";
+		reg = <0x13420100 0xC0
+		       0x13420400 0x20>;
+
+		#dma-cells = <1>;
+
+		clocks = <&cgu JZ4770_CLK_DMA>;
+		interrupt-parent = <&intc>;
+		interrupts = <23>;
+
+		/* Disable dmac1 until we have something that uses it */
+		status = "disabled";
+	};
+
 	uhc: uhc@...30000 {
 		compatible = "generic-ohci";
 		reg = <0x13430000 0x1000>;
-- 
2.11.0