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authorPaul Cercueil <paul@crapouillou.net>2018-08-29 23:32:59 +0200
committerVinod Koul <vkoul@kernel.org>2018-09-11 09:29:27 +0200
commit6b5b368b5cbd7032dd32ebca88f4fc68b5c099dd (patch)
treea91d44cd008e1988b62aa11670a545a29a69139f /arch/mips/boot
parentMIPS: JZ4780: DTS: Update DMA node to match driver changes (diff)
downloadlinux-6b5b368b5cbd7032dd32ebca88f4fc68b5c099dd.tar.xz
linux-6b5b368b5cbd7032dd32ebca88f4fc68b5c099dd.zip
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@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>
Diffstat (limited to 'arch/mips/boot')
-rw-r--r--arch/mips/boot/dts/ingenic/jz4770.dtsi30
1 files changed, 30 insertions, 0 deletions
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@13420000 {
+ 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@13420100 {
+ 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@13430000 {
compatible = "generic-ohci";
reg = <0x13430000 0x1000>;