diff options
author | Fabien Parent <fparent@baylibre.com> | 2020-12-09 14:47:36 +0300 |
---|---|---|
committer | Matthias Brugger <matthias.bgg@gmail.com> | 2021-01-31 13:22:53 +0300 |
commit | dbcd865bc7a8d06a844b6a607082b16251d42f70 (patch) | |
tree | e92993e167b03b9a61f9c40648ec2a831bf0565f /arch/arm64/boot/dts/mediatek/mt8516.dtsi | |
parent | 06ec50ec0ee97911263d63b172d61dd97ac6c89b (diff) | |
download | linux-dbcd865bc7a8d06a844b6a607082b16251d42f70.tar.xz |
arm64: dts: mediatek: mt8516: add support for APDMA
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>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek/mt8516.dtsi')
-rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8516.dtsi | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8516.dtsi b/arch/arm64/boot/dts/mediatek/mt8516.dtsi index e6e4d9d60094..b80e95574bef 100644 --- a/arch/arm64/boot/dts/mediatek/mt8516.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8516.dtsi @@ -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"; }; |