[v3,18/18] MIPS: JZ4740: DTS: Add DMA nodes
diff mbox

Message ID 20180721110643.19624-19-paul@crapouillou.net
State Changes Requested
Headers show

Commit Message

Paul Cercueil July 21, 2018, 11:06 a.m. UTC
Add the devicetree nodes for the DMA core of the JZ4740 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@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
---
 arch/mips/boot/dts/ingenic/jz4740.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

 v2: New patch in this series

 v3: Modify node to comply with devicetree specification

Patch
diff mbox

diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 26c6b561d6f7..6fb16fd24035 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -154,6 +154,21 @@ 
 		clock-names = "baud", "module";
 	};
 
+	dmac: dma-controller@13020000 {
+		compatible = "ingenic,jz4740-dma";
+		reg = <0x13020000 0xbc
+		       0x13020300 0x14>;
+		#dma-cells = <2>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <29>;
+
+		clocks = <&cgu JZ4740_CLK_DMA>;
+
+		/* Disable dmac until we have something that uses it */
+		status = "disabled";
+	};
+
 	uhc: uhc@13030000 {
 		compatible = "ingenic,jz4740-ohci", "generic-ohci";
 		reg = <0x13030000 0x1000>;