arm: dts: mt2712: add uart APDMA to device tree

1. add uart APDMA controller device node
2. add uart 0/1/2/3/4/5 DMA function

Signed-off-by: Long Cheng <long.cheng@mediatek.com>
Link: https://lore.kernel.org/r/1556336193-15198-3-git-send-email-long.cheng@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
index 221ac917139665055341dd665cef53a809366a91..db17d0a4ed57bb0a776197efd0e136872cf4c57f 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
@@ -300,6 +300,9 @@
                interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&baud_clk>, <&sys_clk>;
                clock-names = "baud", "bus";
+               dmas = <&apdma 10
+                       &apdma 11>;
+               dma-names = "tx", "rx";
                status = "disabled";
        };
 
@@ -375,6 +378,39 @@
                         (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_HIGH)>;
        };
 
+       apdma: dma-controller@11000400 {
+               compatible = "mediatek,mt2712-uart-dma",
+                            "mediatek,mt6577-uart-dma";
+               reg = <0 0x11000400 0 0x80>,
+                     <0 0x11000480 0 0x80>,
+                     <0 0x11000500 0 0x80>,
+                     <0 0x11000580 0 0x80>,
+                     <0 0x11000600 0 0x80>,
+                     <0 0x11000680 0 0x80>,
+                     <0 0x11000700 0 0x80>,
+                     <0 0x11000780 0 0x80>,
+                     <0 0x11000800 0 0x80>,
+                     <0 0x11000880 0 0x80>,
+                     <0 0x11000900 0 0x80>,
+                     <0 0x11000980 0 0x80>;
+               interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 105 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 106 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 107 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 108 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 109 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_SPI 114 IRQ_TYPE_LEVEL_LOW>;
+               dma-requests = <12>;
+               clocks = <&pericfg CLK_PERI_AP_DMA>;
+               clock-names = "apdma";
+               #dma-cells = <1>;
+       };
+
        auxadc: adc@11001000 {
                compatible = "mediatek,mt2712-auxadc";
                reg = <0 0x11001000 0 0x1000>;
@@ -391,6 +427,9 @@
                interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&baud_clk>, <&sys_clk>;
                clock-names = "baud", "bus";
+               dmas = <&apdma 0
+                       &apdma 1>;
+               dma-names = "tx", "rx";
                status = "disabled";
        };
 
@@ -401,6 +440,9 @@
                interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&baud_clk>, <&sys_clk>;
                clock-names = "baud", "bus";
+               dmas = <&apdma 2
+                       &apdma 3>;
+               dma-names = "tx", "rx";
                status = "disabled";
        };
 
@@ -411,6 +453,9 @@
                interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&baud_clk>, <&sys_clk>;
                clock-names = "baud", "bus";
+               dmas = <&apdma 4
+                       &apdma 5>;
+               dma-names = "tx", "rx";
                status = "disabled";
        };
 
@@ -421,6 +466,9 @@
                interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&baud_clk>, <&sys_clk>;
                clock-names = "baud", "bus";
+               dmas = <&apdma 6
+                       &apdma 7>;
+               dma-names = "tx", "rx";
                status = "disabled";
        };
 
@@ -635,6 +683,9 @@
                interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&baud_clk>, <&sys_clk>;
                clock-names = "baud", "bus";
+               dmas = <&apdma 8
+                       &apdma 9>;
+               dma-names = "tx", "rx";
                status = "disabled";
        };