diff options
| author |   Yangtao Li <frank@allwinnertech.com> | 2022-08-29 21:08:23 -0500 |
|---|---|---|
| committer |   Jernej Skrabec <jernej.skrabec@gmail.com> | 2022-09-08 22:00:07 +0200 |
| commit | 7072784d97b2b140a9e5507a29fcbc9b70dfc343 (patch) | |
| tree | f80f16c133c3ebbe7c2d2396d09ce84f80cd88ba /arch/arm64/boot/dts/allwinner | |
| parent | Linux 6.0-rc1 (diff) | |
| download | linux-dev-7072784d97b2b140a9e5507a29fcbc9b70dfc343.tar.xz linux-dev-7072784d97b2b140a9e5507a29fcbc9b70dfc343.zip | |
arm64: dts: allwinner: a100: Add device node for DMA controller
The A100 SoC has a DMA controller that supports 8 DMA channels
to and from various peripherals.
Add a device node for it.
Signed-off-by: Yangtao Li <frank@allwinnertech.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220830020824.62288-3-samuel@sholland.org
Diffstat (limited to 'arch/arm64/boot/dts/allwinner')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index 548539c93ab0..5453a3bb7d81 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -101,6 +101,18 @@ #reset-cells = <1>; }; + dma: dma-controller@3002000 { + compatible = "allwinner,sun50i-a100-dma"; + reg = <0x03002000 0x1000>; + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>; + clock-names = "bus", "mbus"; + resets = <&ccu RST_BUS_DMA>; + dma-channels = <8>; + dma-requests = <52>; + #dma-cells = <1>; + }; + gic: interrupt-controller@3021000 { compatible = "arm,gic-400"; reg = <0x03021000 0x1000>, <0x03022000 0x2000>, |