* [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC
@ 2020-12-09 11:47 Fabien Parent
2020-12-09 11:47 ` [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA Fabien Parent
2020-12-11 13:52 ` [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC Vinod Koul
0 siblings, 2 replies; 3+ messages in thread
From: Fabien Parent @ 2020-12-09 11:47 UTC (permalink / raw)
To: Sean Wang, Vinod Koul, Rob Herring, Matthias Brugger
Cc: Fabien Parent, Rob Herring, dmaengine, linux-arm-kernel,
linux-mediatek, devicetree, linux-kernel
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>
---
V3: remove unicode symbol that slips into patch summary
V2: no change
Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt | 1 +
1 file changed, 1 insertion(+)
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.
--
2.29.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA
2020-12-09 11:47 [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC Fabien Parent
@ 2020-12-09 11:47 ` Fabien Parent
2020-12-11 13:52 ` [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC Vinod Koul
1 sibling, 0 replies; 3+ messages in thread
From: Fabien Parent @ 2020-12-09 11:47 UTC (permalink / raw)
To: Rob Herring, Matthias Brugger
Cc: Fabien Parent, devicetree, linux-arm-kernel, linux-mediatek,
linux-kernel
Add support the APDMA IP on MT8516. APDMA is a DMA controller
for UARTs.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
---
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";
};
--
2.29.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC
2020-12-09 11:47 [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC Fabien Parent
2020-12-09 11:47 ` [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA Fabien Parent
@ 2020-12-11 13:52 ` Vinod Koul
1 sibling, 0 replies; 3+ messages in thread
From: Vinod Koul @ 2020-12-11 13:52 UTC (permalink / raw)
To: Fabien Parent
Cc: Sean Wang, Rob Herring, Matthias Brugger, Rob Herring, dmaengine,
linux-arm-kernel, linux-mediatek, devicetree, linux-kernel
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
--
~Vinod
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-12-11 13:54 UTC | newest]
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2020-12-09 11:47 [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC Fabien Parent
2020-12-09 11:47 ` [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA Fabien Parent
2020-12-11 13:52 ` [PATCH v3 1/2] dt-bindings: dma: mtk-apdma: add bindings for MT8516 SOC Vinod Koul
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