| Message ID | 20201209114736.70625-1-fparent@baylibre.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [v3,1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success |
On 09-12-20, 12:47, Fabien Parent wrote: > Add bindings to APDMA for MT8516 SoC. MT8516 is compatible with MT6577. > > Signed-off-by: Fabien Parent <fparent@baylibre.com> > Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> > Acked-by: Rob Herring <robh@kernel.org> Applied, thanks
On 09/12/2020 12:47, Fabien Parent wrote: > Add support the APDMA IP on MT8516. APDMA is a DMA controller > for UARTs. > > Signed-off-by: Fabien Parent <fparent@baylibre.com> > --- > Applied to v5.11-next/dts64 Thanks a lot! > V3: remove unicode symbol that slips into patch summary > V2: Add missing dma-names properties on uart nodes > > arch/arm64/boot/dts/mediatek/mt8516.dtsi | 30 ++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > > 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: interrupt-controller@10310000 { > (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 @@ uart0: serial@11005000 { > 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 @@ uart1: serial@11006000 { > 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 @@ uart2: serial@11007000 { > 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"; > }; > >
diff --git a/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt index 2117db0ce4f2..fef9c1eeb264 100644 --- a/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt +++ b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt @@ -4,6 +4,7 @@ Required properties: - compatible should contain: * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA * "mediatek,mt6577-uart-dma" for MT6577 and all of the above + * "mediatek,mt8516-uart-dma", "mediatek,mt6577" for MT8516 SoC - reg: The base address of the APDMA register bank.