ARM: dts: uniphier: add MIO DMAC nodes

Add MIO-DMAC (Media IO DMA Controller) nodes, and use them as
the DMA engine of SD/eMMC controllers.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/boot/dts/uniphier-ld4.dtsi

@@ -235,6 +235,16 @@ peri_rst: reset {
 			};
 		};
 
+		dmac: dma-controller@5a000000 {
+			compatible = "socionext,uniphier-mio-dmac";
+			reg = <0x5a000000 0x1000>;
+			interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>,
+				     <0 71 4>, <0 72 4>, <0 73 4>;
+			clocks = <&mio_clk 7>;
+			resets = <&mio_rst 7>;
+			#dma-cells = <1>;
+		};
+
 		sd: sdhc@5a400000 {
 			compatible = "socionext,uniphier-sd-v2.91";
 			status = "disabled";
@@ -246,6 +256,8 @@ sd: sdhc@5a400000 {
 			clocks = <&mio_clk 0>;
 			reset-names = "host", "bridge";
 			resets = <&mio_rst 0>, <&mio_rst 3>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 4>;
 			bus-width = <4>;
 			cap-sd-highspeed;
 			sd-uhs-sdr12;
@@ -263,6 +275,8 @@ emmc: sdhc@5a500000 {
 			clocks = <&mio_clk 1>;
 			reset-names = "host", "bridge", "hw";
 			resets = <&mio_rst 1>, <&mio_rst 4>, <&mio_rst 6>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 6>;
 			bus-width = <8>;
 			cap-mmc-highspeed;
 			cap-mmc-hw-reset;

arch/arm/boot/dts/uniphier-pro4.dtsi

@@ -269,6 +269,16 @@ peri_rst: reset {
 			};
 		};
 
+		dmac: dma-controller@5a000000 {
+			compatible = "socionext,uniphier-mio-dmac";
+			reg = <0x5a000000 0x1000>;
+			interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>,
+				     <0 71 4>, <0 72 4>, <0 73 4>, <0 74 4>;
+			clocks = <&mio_clk 7>;
+			resets = <&mio_rst 7>;
+			#dma-cells = <1>;
+		};
+
 		sd: sdhc@5a400000 {
 			compatible = "socionext,uniphier-sd-v2.91";
 			status = "disabled";
@@ -280,6 +290,8 @@ sd: sdhc@5a400000 {
 			clocks = <&mio_clk 0>;
 			reset-names = "host", "bridge";
 			resets = <&mio_rst 0>, <&mio_rst 3>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 4>;
 			bus-width = <4>;
 			cap-sd-highspeed;
 			sd-uhs-sdr12;
@@ -297,6 +309,8 @@ emmc: sdhc@5a500000 {
 			clocks = <&mio_clk 1>;
 			reset-names = "host", "bridge", "hw";
 			resets = <&mio_rst 1>, <&mio_rst 4>, <&mio_rst 6>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 5>;
 			bus-width = <8>;
 			cap-mmc-highspeed;
 			cap-mmc-hw-reset;
@@ -313,6 +327,8 @@ sd1: sdhc@5a600000 {
 			clocks = <&mio_clk 2>;
 			reset-names = "host", "bridge";
 			resets = <&mio_rst 2>, <&mio_rst 5>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 6>;
 			bus-width = <4>;
 			cap-sd-highspeed;
 		};

arch/arm/boot/dts/uniphier-sld8.dtsi

@@ -239,6 +239,16 @@ peri_rst: reset {
 			};
 		};
 
+		dmac: dma-controller@5a000000 {
+			compatible = "socionext,uniphier-mio-dmac";
+			reg = <0x5a000000 0x1000>;
+			interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>,
+				     <0 71 4>, <0 72 4>, <0 73 4>;
+			clocks = <&mio_clk 7>;
+			resets = <&mio_rst 7>;
+			#dma-cells = <1>;
+		};
+
 		sd: sdhc@5a400000 {
 			compatible = "socionext,uniphier-sd-v2.91";
 			status = "disabled";
@@ -250,6 +260,8 @@ sd: sdhc@5a400000 {
 			clocks = <&mio_clk 0>;
 			reset-names = "host", "bridge";
 			resets = <&mio_rst 0>, <&mio_rst 3>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 4>;
 			bus-width = <4>;
 			cap-sd-highspeed;
 			sd-uhs-sdr12;
@@ -267,6 +279,8 @@ emmc: sdhc@5a500000 {
 			clocks = <&mio_clk 1>;
 			reset-names = "host", "bridge", "hw";
 			resets = <&mio_rst 1>, <&mio_rst 4>, <&mio_rst 6>;
+			dma-names = "rx-tx";
+			dmas = <&dmac 6>;
 			bus-width = <8>;
 			cap-mmc-highspeed;
 			cap-mmc-hw-reset;