leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm64: dts: mediatek: mt8516: add support for APDMA

Browse Source 
Add support the APDMA IP on MT8516. APDMA is a DMA controller
for UARTs.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20201209114736.70625-2-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Fabien Parent 2020-12-09 12:47:36 +01:00 committed by Matthias Brugger
parent 06ec50ec0e
commit dbcd865bc7
1 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
arch/arm64/boot/dts/mediatek/mt8516.dtsi
View File

@ -276,6 +276,27 @@
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
};
apdma: dma-controller@11000480 {
compatible = "mediatek,mt8516-uart-dma",
"mediatek,mt6577-uart-dma";
reg = <0 0x11000480 0 0x80>,
<0 0x11000500 0 0x80>,
<0 0x11000580 0 0x80>,
<0 0x11000600 0 0x80>,
<0 0x11000980 0 0x80>,
<0 0x11000a00 0 0x80>;
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 98 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 99 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 100 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 101 IRQ_TYPE_LEVEL_LOW>;
dma-requests = <6>;
clocks = <&topckgen CLK_TOP_APDMA>;
clock-names = "apdma";
#dma-cells = <1>;
};
uart0: serial@11005000 {
compatible = "mediatek,mt8516-uart",
"mediatek,mt6577-uart";
@ -284,6 +305,9 @@
clocks = <&topckgen CLK_TOP_UART0_SEL>,
<&topckgen CLK_TOP_UART0>;
clock-names = "baud", "bus";
dmas = <&apdma 0
&apdma 1>;
dma-names = "tx", "rx";
status = "disabled";
};
@ -295,6 +319,9 @@
clocks = <&topckgen CLK_TOP_UART1_SEL>,
<&topckgen CLK_TOP_UART1>;
clock-names = "baud", "bus";
dmas = <&apdma 2
&apdma 3>;
dma-names = "tx", "rx";
status = "disabled";
};
@ -306,6 +333,9 @@
clocks = <&topckgen CLK_TOP_UART2_SEL>,
<&topckgen CLK_TOP_UART2>;
clock-names = "baud", "bus";
dmas = <&apdma 4
&apdma 5>;
dma-names = "tx", "rx";
status = "disabled";
};