MIPS: JZ4740: DTS: Add DMA nodes

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>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 26c6b561d6f721228a01256e9084d258be65479c..6fb16fd240353aa733f2fec5178db98541184bcc 100644 (file)
--- 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>;