diff mbox series

[2/3] arm64: dts: allwinner: a100: Add device node for DMA controller

Message ID 20220830020824.62288-3-samuel@sholland.org
State Not Applicable
Headers show
Series DMA binding for Allwinner V536/newer I2C | expand

Commit Message

Samuel Holland Aug. 30, 2022, 2:08 a.m. UTC 
From: Yangtao Li <frank@allwinnertech.com>

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>
---

Changes in v1:
 - From previous submission: fixed off-by-one in dma-requests property

 arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Jernej Škrabec Sept. 6, 2022, 9:09 p.m. UTC | #1 
Dne torek, 30. avgust 2022 ob 04:08:23 CEST je Samuel Holland napisal(a):
> From: Yangtao Li <frank@allwinnertech.com>
> 
> 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>

Best regards,
Jernej
Jernej Škrabec Sept. 8, 2022, 8:01 p.m. UTC | #2 
Dne torek, 06. september 2022 ob 23:09:38 CEST je Jernej Škrabec napisal(a):
> Dne torek, 30. avgust 2022 ob 04:08:23 CEST je Samuel Holland napisal(a):
> > From: Yangtao Li <frank@allwinnertech.com>
> > 
> > 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>

Applied, thanks!

Best regards,
Jernej
diff mbox series

Patch

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 @@  ccu: clock@3001000 {
 			#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>,